4l60e transmission shifts at high rpm. 4L60E – Level VI 1999+ Chevrolet Silverado.
4l60e transmission shifts at high rpm I can only feel it shift once. Overfilling your transmission fluid increases the risks of cavitation, which is a phenomenon whereby the liquid pressure drops below the vapor pressure, causing the transmission fluid to foam up. Transmission is shifting normally now. My old transmission had the same issues so I got a new one and it’s Not wanting to shift into 3/4 gear just high rpms Mechanic's Assistant: Having a problem 4L60E in 96 suburban. I can go from a dead stop floor it in first and it shifts to second fine. 00- Media Blast Transmission Case; RPM Level VII 3-4 Clutch Pack; RPM Reinforced Sunshell with Collar and Bearing; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston; Bushing Kit; New Reman'd TC, and Full rebuild kit for the 4L60E transmission from Ebay. Transmissions. Free Shipping! Currently I have my WOT shift rpm set to 6500 and my WOT speed table set to 45, 88 & 138 mph which gives me shifts at the track of around 6390 rpm. Kit includes the 7-CS high RPM clutch spring kit for high RPM vehicles, over 5,500. i'm having problems with my 4l60e, when it shifts from 1st to 2nd it almost winds out. It can also result in inconsistent or rough shifts, where the transmission shifts too forcefully or at the wrong time. 4L60E Problems: No 3rd or 4th Gear. ) My 2004 impala 3. Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. Shifts 1-2 are like being hit in the back but all others are O. It is important to understand a few things about how an automatic transmission works. See if its actually shifting 1-2-1-2. 2L 2WD with a 4L60E transmission. I checked the tps and its was out of range at 3000rpm it was only reading 14%. Allison; GM Front Wheel Drive. during 2-3 shift below ~2500 RPM, a sometimes lagging shift below 3500 RPM, and a usually noticeable lag or sometimes slip from 4400 RPM or Im building the 4L60E in my cruiser/hot rod truck at the moment. 00 Transgo HD2 shift kit *Billet 2nd gear servo Carbon Wide band Updated aluminum accumulator piston The $750 charged will be credited back once RPM Transmission has received your core. If you don't post your tune and logs when you have questions you aren't helping yourself. Transmission does not shift automatically, only manually. A 4L60E is a totally electronic transmission, it uses 2 solenoids in the valve body to control shifts, and a Pressure Control Valve (force motor) to vary line pressure. When we left, she was fine almost all the way back to town, but started slipping again. High engine RPM at highway speeds – Without being able to engage the overdrive 4th gear at speeds over 45 mph, the engine will run at higher revolutions in 3rd gear. I recently removed the engine torque management and it is 4L60E Rebuilt Transmission, Level 3. About a year ago I asked for some help regarding the 4L60e in my '94 Chevy 1500. Also your timing is very low and Spark tables look odd? high timing at the low rpms low load areas? Edit: Looked over the log again. Thread starter 96 Silverado with the 4l60e in it on the road after sitting for 5 years, and it shifts like 1-2-1-2. Let's say you have a 1>2 (meaning 1st to 2nd gear shift) set at 6,400 RPM and 40MPH. Starting in 1988 through the last year of production of the 4L60E series transmission, GM installed load release springs in the input drum help 1-2 and 2-3 shift quality will never be right without the 093 servo. When upshifting going into 2nd gear it shifts without slipping, it does shift a bit slow but it still shifts with no slipping. Categories. Transmission - Transfer Case - Driveline ⚙️ The issue I explained in the first post is that the engine rpms are too high before shifting from 1-2 and from 2-3. bought this tune to receive 1-yr warranty on built transmission. The transmission oil is black. It's a 4l60e in a 2004 silverado 5. 73 ratio rear with 29. the rest of the shifting seems normal . Shifts under normal load at about 2800 rpm. 56 gears for a while before the rebuilt trans, love the gears!). Sonnax has developed a drop-in replacement 2-3 shift valve that applies the overrun clutch in D3, 1st , 2nd and 3rd gears where the factory valve applies 4L60E – Level V 1993-2002 Chevrolet Camaro. My Firebird Projects Also your transmission being a 4l60e why just find a good 4l60e early shift. 2016 Silverado CCSB 5. TH125 3T40 79-ON; TH325 79-81; TH325-4L 82-86; TH425 FWD 67-78; 4T40E 4T45E From slipping gears to strange noises and the inability to shift, here are the most common 4L60-E transmission problems that owners report. Here's a potentially helpful link to those of you with 4L60E issues: 30 Common 4L60E Transmission Problems & Repair | Charlotte NC [sigpic When it comes to the 4L60E transmission and its many problems, the 3rd to 4th gear clutches can wear out quickly. Any ideas as to what is causing this? Does tire size and gear ratio change make a big differences in shift point on a 4l60e transmission . It feels like the trans is trying to shift into od but nothing happens, I think the clutches are gone. Instead of 1234. Gears, stall speed and TB size will have no effect. 4L60E Shift Solenoid Symptoms and Diagnosis. If I hold a high 3000 rpm it will barly accell but will, if I try to accell faster from there it slips out and repeats. Causes of High RPM Before Shifting. Let's say you have a 1>2 (meaning 1st to 2nd gear Because the stock 4l60e has internals that cannot handle sustained load, a number of issues may be caused by repeated 6,000+RPM shifts. The thing is that the shifts are perfect. Its got no tach, but was running 3. Your rebuilt electronic 700R4 will be ready for any type of heavy duty or high performance use. Starting At $ 3,295. As the 4L60E ages, one of the most common problems that it develops is that it won't shift into overdrive anymore. Kitting out a 4L60E to the max means completely changing the transmission, installing new shift, EPC, PWM and control solenoids, a new transmission pan, a new gear set, new bearings, a 13-vane pump assembly, hardened stator shaft and rings, 1st Drive: Everything put together, trans in D4 expectations high. 4 quarts (11. It seemed like a lot of space at the time, but we’re out of room So I have a 1994 K1500 with the 4l60e. if it is and we hear the shift solenoids click while commanding them on with 4L60E – Level X 1997-2005 Chevrolet Corvette. 0L lq4 and 4l60e. However many aftermarket programmers for engine performance reduce 4L60E – Level VI 1999+ Chevrolet Silverado. Trans shifts great from 1 to 2 3 to 4 are both quick, the 2 to 3 shift however is delayed. 1) RPM 2) MPH. it sounds like its about to shift but then it almost red lines and then shifts, its doesnt jerk or shift hard, it just shifts at a lot higher rpms when going from 1st to 2nd than from 2nd to 3rd, and if you go from a complete stop and floor it, for 1st to 2nd it shifts around 4000-4500 but from 2nd to R&R = Remove & Repair (or Rebuild) = Transmission must be removed to fix the problem and may have to be rebuilt or replaced. Close-Ratio Level-3 4L60E Automatic Transmission: 19X five-pinion rear planet 6-pinion E Gear front planetary (2. ). My dads saying its transmission filter, other than him Ive had no other input. E40 ECM T42 trans controller. From 3rd Gear on, the OE and Sonnax gear ratios are the same. Does not do it while in Park or Neutral. 3/6L80e, not as slow but still heavy. As such, you’ll notice difficulties with shifting from 3rd to 4th, and to fix this, the 3rd-4th clutch pack needs replacing entirely. By default the abuse mode seems to be disabled and I am confused whether this means I have been driving with 0 transmission torque management. When the engine gets to 6,400 RPM then trans will generally wait until it hits 40MPH First off the A4 needs to satisfy TWO variables before the shift is made. For instance, I had the WOT shift set to occur at 6400rpm and 81mph and saw almost 6600 on my tach and 87 on the 4l60e Shifts into 1 and 2 then slips drasticly< rpm Shifts into 1 and 2 then slips drasticly< rpm shoot up - Chevrolet 1994 C1500 question (maybe) but not good. 3. Failure to shift gears is the most serious symptom of the transmission control module. The system overheats when the pump is bad, which in I have a tune on my 04 4l60e with 6. 5k rpm it This can cause lots of issues for the functioning of your automatic 4L60E transmission. 2-3 is fine, no issues. Sometimes if it's an especially rough shift at high RPM's, the engine kinda stutters and bogs down before it goes back to normal. K. 3 LH6 with a 4l60e from a 2005 Trailblazer. (FYI drove the 4. If I drive downhill and give some throttle at the end of the hill, the trans slips for a second or so and then shifts back into third. Search. Includes "High-Rev" unbreakable vane rings capable of withstanding up to 9000 RPM. Fluid is still red, but smells a bit burned. I'm having problems with my LS swap Fox during WOT pulls only. Let us have a look at the systems and potential problems in a 4L60E that can cause a harsh 1-2 shift. If the 3-4 shift solenoid fails, the transmission may lose overdrive completely. You would have to use an electronic transmission controller as well, and have to get a converter lot drive the original style speedometer, or get an electronic capable speedometer. This heavy duty / high performance 4L60E transmission has all of the updates and features of our high performance 700R4 transmission. 00. D3801 Force Motor Current controls the overall pressure for the transmission. Swap in a known-good PCM, check wiring, check other sensors such as VSS and TPS 4L60E Transmission Sonnax High Performance Pack Build Upgrade Package Servo Kit billet pinless accumulator pistons Unique 1-2 accumulator spring combination for shifts with character Improved high RPM pressure Third accumulator valve gets the 2-3 right the first time, every time Consistent results, no guessing on calibration Prevents worn The reasons why your 4L60E transmission won’t move in any gear are: 1. However, one grey area I haven't decided on a strategy for is shift timing. Tags How many miles on the truck/transmission? 2016 Silverado LT 4x4 Crew Cab / 2017 Suburban LT / 2008 BMW 328i Coupe / 2018 BMW K1600GTL. ANSWER: the engine braking would be similar to turbo 350/400 when you manual shift it through the gears. 1st & 2nd both work fine and pull like a mule then Invariably allowing it to handle the torque of the high GM Gen small block V8. 5. Decided to rebuild it, scanned before and was showing also P0717. Well it does shift but I have to get to a high rpm before it does, and it will go on to third at high rpm. The underlying cause of this is actually the rubber seals. 4L60E No Overdrive Diagnosis . Our all-in-one 4L60 rebuild kit is made in the USA. We worked on renovations, like putting in overhead doors and all, for about six months and then moved in. or more, the 1-2 shift valve will be stroked into first gear. #rpm. 2,600 RPM torque converter. It seems to try around 25-30 mph but feels like 1st and it only accelerates at 3-4k rpm travelling at that Rebuilt 4l60e will not shift at WOT. With the truck being equipped with a 4L60E transmission, Continuing to slowly increase speed, the scan data showed fourth gear The transmission fluid level is too high. 3L CPI Vin W 4L60e won’t shift until 4K rpm. 5" T/C 3000 stall triple-disc TCC, B&M Hammer shifter, Stifflers Level 5 Performance Built 4L60E Transmission, 4L60E / 4L65E / 4L70E Electronic Transmission, “4L60E Extreme Raptor”, Call 318-742-7754 to order today! 4L60E Heavy Duty 2-3 Shift Valve. What's up everyone, so I just had my trans rebuilt bt a very well trusted local transmission guy. For example if I count the shifts up to 3 and then allow my rpm’s to come down it will shift smoothly. Does it in every gear. Starting At $ 5,995. to overcome the tension of Just a couple days ago, I was driving on the highway and i notice my RPMs suddenly go way up. 1) leave the trans in 3rd gear and it shifts perfectly fine on point as the commanded tps & mph parameters are set too. I want to know which shifting strategy I should pick. 4L60E Shift pattern is 1-2-1-2. e I was able to drive off highway home in second gear keeping the rpms from getting too high. The 4L60E transmission has a high failure of broken sun-gear shells. When it is cold out side the transmission takes a goid bit to shift gears, but when it's warm or the fluid is warm it shifts fine. Even at 90mph, overdrive never kicked in. Or, you’ll need to consider a full transmission rebuild. Save Share i have rebuild about 25 4l60e transmission and this is the fist time its happen. 500 boost valve. Also check the vehicle Here is the behavior. At high torque, this reduces stress/flexing of the ring gear and improves durability. The engine will rev freely until I hit a high enough rpm that it will catch in 2nd. B&M CABLE BRACKET KIT - GM. The 2-3 shift is firmer than anything else I have driven but acceptable. 90k miles. Will the 26 inches and 3. I'm guessing the RPM drop is too low when TCC is enabled that it shifts to 3rd? My setup is a 1991 Toyota Land Cruiser, 2004 5. Shifts beautifully, all shifts feel very quick and crisp, very I think the transmission is healthy, it just suffers from the common comfort shift feature. Free Shipping! $ 42. Full throttle shift speed, and full throttle shift RPM. Explains RPM founder Rodney Massengale, “We’ve been in this facility for about 5 years. try this and post a new log. But it still bogs between the I'll try to be short: 2008 Chevy Silverado 1500, 2WD,5. The symptom can happen on downshifts which would cause the engine to stall. Comment. I had hard shifts 1 to 2, bought a remanufactured valve body, installed and those hard shifts and bangs diminished, but after 3-4 months again re appeared and also no shifts to 3 and 4, so I guess tranny went into limp mode. This super high quality kit contains upgraded parts manufactured by Sonnax. It had a wooden stage and theater seats. Media Blast Transmission Case; RPM Level VI 3-4 Clutch Pack; RPM Reinforced Sunshell with Collar and Bearing; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston; Bushing Kit; New Shift GM 4L60E automatic transmission specifications, gear ratios, model year changes, application information, and additional details on the long-lived transmission platform. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. A high quality kit will improve the shift feel without making a Become an expert on the 4L60-E transmission with this Drivetrain 101! The High Pressure Oil Pump the 4L60-E transmission is known for a variety of pump problems. This job started with a concern of the engine revving high and not shifting correctly. With the 4L60E, don't even think about a cable. Happens after a tire burning take-off. 5-3k. We now have all the shifts but 1-2 still requires high rpm's to shift. When the engine gets to 6,400 RPM then trans The transmission is the one part that needs next to no servicing, but at the same time, when there’s a problem, it can often be an expensive one. Once the engine is started and line and AFL pressure have generated 48 lbs. It will not go into overdrive either(of coarse). When you If it's commanding the shift, it's not in the tuning. Infact we previously did a 76mm rear mount turbo car (fbody), that made 720rwhp and a ton of tq. I had the transmission performance rebuilt by a reputable builder so its good for some abuse. 4L60E – Level X 1997-2005 Chevrolet Corvette Current view of the install side of the shop. If I press the gas TCC slip goes into high numbers 500 rpm + As I mentioned before, everything about my trans I have a 2004 Chevy Trailblazer EXT 4. 73 axle ratio, and the 4L80-E transmission. Shifts fine though. 2nd gear is slipping, but it's more complicated. 8 seconds, then slowly went to 1. 1999 Camaro with a 4l60e transmission shifts great for a couple of days then all of a sudden shifts only 1st to 2nd I high blood pressure, drinking and heart pain jumped 33 percent. The light speed shifting possibilities both up & down are interesting to say the least. 00- Media Blast Transmission Case; RPM Level X 3-4 Clutch Pack; RPM Reinforced Sunshell with Collar and Bearing; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston; Bushing Kit; New Shift Hello I recently had my transmission rebuilt into a 4l65e for my 08 silverado LC9 5. 2L 4cyl engine. There are several signs that your 4L60e transmission may be having trouble shifting, such as delayed or harsh shifts, a constantly reading zero speedometer, or the speed at which your vehicle reaches high RPMs without shifting into higher gears. Starting At $ 3,895. It’s hard to tell what gear it’s in, but I’m confident it never hit overdrive. Adding washers in the 2nd accumulator only results in harsh tire-chirping shifts at low/medium throttle, perfect for the boy-racer image. Now the way there, it did alright. is the 2-3 shift. 4L60E Troubleshooting. A smaller ratio drop also reduces the shock loads on related hard parts. It requires 8. Hi everyone I'm having problems with my 4l60e, c1500 MY 95 It doesn't shift 2 to 3 on this conditions: 1. Some of these include inherent transmission characteristics, transmission fluid <p>4L60E Transmission Sonnax Heavy-Duty Pickup Build Package This Super High Quality Kit Contains Upgraded Parts Manufactured by Sonnax 4L60E-HDB Fits '94-later units (Heavy Duty Option B) kit includes: Performance Pack: The <p>4L60E Transmission Sonnax High Performance Level 3 Build Package for all extreme performance applications (above 450hp). 3L V8 engine paired with a 4L60E transmission. Furthermore, if the transmission shifts from 1st to 2nd, AND shifts from 3rd to 4th, then the 1-2 solenoid is working. 0 out torque loss vs spark retard, abuse set rpm to 8,000 rpm. A 3200 stall converter shifts the focus to quick takeoffs by letting HIGH RPM'S IS WHAT KILLS THE 4L60E. any TPS position If you drive under 1500 rpm on second gear it will shift without troubles. Tried putting it in neutral and back in OD while rolling at 35 mph but it just went back into 2nd. it just rises in RPM. If the shift speed is set lower than the corresponding RPM, will it shift at the shift speed before it reaches the shift RPM? An example: The "normal" shift speed is set at 34 MPH for the 1-2 shift, but the shift RPM is set to 5600. The best way to zero in on this is first determine if the transmission shifts into second when the 1-2 solenoid wire goes cold. It amazes me when a transmission that has been around for this long can throw a new twist on a common problem and blindside you. I have a 2011 Silverado 4x4 with 150K miles. Available Options: Model: Core Charge: This product was added to our ok, so about 3 weeks ago me and a buddy went riding on some mud/gravel roads and i gave my truck a little hell up a few of the hills. It is the 2. Related Articles – Park-by-wire pin pain with the 10R80 transmission – Shift I'm running a mostly stock 5. 2 diesel with 4L60e. So i think it's maybe just going first gear to third or fourth. I took the truck to a mechanic. The return line at the transmission was badly kinked restricting oil flow at mid to high RPM. 10 gears. At times, it prefers to bog between 3rd and 4th. Advertisement Trouble shifting from second to third gear This 4L60E-HD2 Reprogramming Kit fits 1993 to 2015 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission. Vehicle you are familiar with – Why is my transmission shifting at high rpm? Dirty transmission fluid and/or clogged transmission filter – Gear changes are actuated by pressurized hydraulic fluid/transmission fluid. Also includes the 4L60E-Boost, . Faulty shift solenoids may create lazy or no shift depending on how they’re working. The shift solenoids in the 4l60e are responsible for routing fluid through the transmission that’s needed in order to make shifts. It's not slipping, flaring, or anything like that. I want to make my 4l60 last as long as possible and I haven't changed any TM settings. Has anyone played around with the shift settings? What settings change shift firmness and shift points? I have a built 4l60e with 2000 rpm stall converter and 2. Specifically, the 2-3 shift seems delayed. It's not slipping or clunking or anything, it's not not shifting at the right rpm. 1/2 shift was good no shift to 3rd. 3L 4L60E WOT 1-2, no shift. Full throttle shift firmness is not affected by the number of washers used to shim the accumulator spring. The 4L60E is a for speed automatic transmission with a . Includes information on 4L65E and 4L70E models, which are based on the basic 4L60E transmission design. Lots of upgrades, Sonnax performance pack, Extreme HD performance servo, Sonnax Smart Shell, Sonnax HD Reaction Shaft, Extra Wide Red Eagle 2-4band, all new clutches, Kolene Steels, upgraded 9 clutch 3-4 pack. RPM's don't usually make a difference either, if I'm shifting at 2200 rpm going through a parking lot, shifting at 3000 rpm when driving normally, or 4700 rpm when going WOT, it still shifts uncomfortably rough. It wasn't the victim of some racer boy "shift kit" or PCM tune to make the shifts firmer. The Transmission Fluid is Dried Out. 4L60E – Level VII 1993-2002 Pontiac Firebird $ 4,995. Transmission does not shift automatically, only A rebuild of the 4L60E will make it a more reliable, solid transmission. THEN if it still does this we will need a scan tool to see if the computer is telling the transmission to shift into 3rd or not. It now has been upgraded all the way around except changing the main shaft. The issue will arise from factors such as transmission timing issues, a failing speed sensor, or a leaking transmission. Email; Twitter; Facebook; SKU: 7-CS Categories: 4L60, 700R4, 4L60E, 4L65E, 4L70E. I have worked with it some and nothing seems to help it. To save a few bucks you can probably skip the shift solenoids for now. Check out corvetteforum, RPM is the only name you see in the big hp cars. With the 4 speed automatic transmission. 4L wont let me shift past 1st or 2nd gear. Jump to Latest any one know what would cause a 4l60e to go into 4th gear at 35-40 mph and at 50 mph rpm goes down and up After tcc has been applied. You can also detect when you start perceiving a burning odor. This kit includes valve body, servo, pump 4L60E RPM jump when TCC is commanded to lockup. 95. The trans won't shift to 2nd until about 3000 rpm and when it shifts it's hard. 3 with green/blue pcm) my 4L60e has started acting up. Limp mode is a protective state that limits your vehicle’s performance to prevent further damage. Even though the transmission goes up a couple of gears, it fails to shift further when the RPM is high. the transmission is not shifting properly, replaced both input and output speed sensors, but the rpms seem to be climbing high and the transmission does not seem to be shifting, gets up to speed fine, but the rpms just keep climbing on it My car has 200000 miles. NickTransmissions. I ordered a 2600 Circle D stall converter with plans on camming my engine in the future. Just know that stock 4L60e are weak and don't take well to hard shifts/high shift pressure and abuse unless otherwise built for it. 73 gears ratio change cause the transmission to shift fast and the rpm to be higher . For a 4L60E, in first gear the forward clutch pack is applied, in second gear the band applies along with the forward clutch. Notice the transmission performs differently when you manually shift it versus putting it in D and running it up the gears. The building originally housed a theater for live performances. Add a transmission cooler to help lower transmission temperature; Shift Solenoids Not Working. The trans started not shifting into 3rd from 2nd and not going into overdrive (I would have to let go of the gas until it kicked into gear otherwise, it would continue at high RPMs but not shift. Save Share Reply Quote Like. 2nd Drive: Dropped the pan, swapped TCC and 3/2 solenoid. I have been having issues with getting it to shift into 4th. Youll know this by driving truck and taking off lightly and will appear to neutral out (no foward pull in 3rd gear) but when you accelerate kinda hard will pull again at high rpm. IT WAS ONLY DESIGNED TO TAKE 6200 RPMS NOT 7,000. Should I go with performance shifting, or will it annoy me with shifting at higher RPMs? I don't care about performance much, just want a decent daily driver with reasonable power and good MPG and least noise. RPM Transmissions 4L60E/4L65E Automatic Transmission - Level X [4L60ELVLX] $5,345. The 1-2 shift is performed by applying the 2-4 band in addition to the already applied forward clutch. Despite this performance-oriented transmission, the prevalent 4L60E transmission problems have caused issues in various GM cars. 74. I have no check engine lights or warning messages and the truck has had no transmission problems whatsoever in the past. 94 GMC Noma 4. 5” tall tires behind a 5. I have rebuilt this transmission after it went out running the attached tune (with me now changing shift points, shift pressures, and tc locking). Additionally, the oil pump of the 4L60-E transmission At WOT I'm currently shifting at about 6100 rpm in my 03 Avalanche with the 5. 00- Media Blast Transmission Case; RPM Level VI 3-4 Clutch Pack; RPM Reinforced Sunshell with Collar and Bearing; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston; Bushing Kit; New My 1998 c1500 has started to shift extremely hard into 4th but only if I’m over 1500 rpm’s. 84 1st and 1. The owner of the shop said that the trans should have a shift kit installed to eliminate the 50 rpm slip in the converter that causes heat buildup. Valve Body Problems 4L60E – Level VI 2008-2010 Hummer H3. But your shift timing table [ECM] 15110 could use some work. Re: 4L60E Hard Shifts 11-13-04 09:14 PM - Post# 552071 In response to kingb36 Howdy king and welcome to CT, I will bet a code scan of the truck shows a P1870, there is a kit to fix this problem with your transmission. highly modified Ford 4R70W transmission, FTI 9. Other Hi, I have a 1993 GMC 1500 6. The delay will be maybe a second or two of holding the rpm before it shifts. I have not tried that many times. These will often result in poor line pressure, high temperatures, flared shifts and other generic drivability concerns. ON SALE; TRANSMISSION PARTS AUTOMATIC TRANSMISSION KITS. there is the potential for “harder” shifts. There is a slight delay going into gear, but cold, it shifts just like it should- quick and hard. More Info, High RPM to Shift When I last left you, I thought the transmission that I had would not shift out of first gear. I was trying to explain some issues i was facing with the 4l60e trans to my dad, and he suggested that i turn OD off, if i think Im having problems. Under normal driving and even spirited driving, the transmission works fine. If the PCM is never commanding the shifts at WOT High RPM (3-4/FWD) Clutch Spring Kit Fits 1982-15 700R4, 4L60, 4L60E, 4L65E, 4L65E Share. If your vehicle shifts abruptly or enters limp The 4L60E transmission weighs 146 pounds dry, and 162 wet. I will tell you thatthe things you 4L60E – Level X 1999+ Chevrolet Silverado. trans tm torque reduction set normal and performance tables to 0, set general to 640. After I let go the gas for a bit, it would eventually shift into gear. Still drives like it should, in style with over drive Upgrade your LS-powered vehicle with our high-performance 4L60E Transmission, meticulously engineered to handle up to 750 horsepower with unmatched reliability. More importantly, I have third and fourth gear back! The Harsh shifting and entering limp mode are significant red flags for your 4L60E transmission. How to Improve the Performance of Your 4L60E Transmission. 73 gears ratio . Automatic transmission at high RPM before shifting is can be caused by the way you drive. This transmission is for the person that needs something better than stock. There is fluid that goes through the 4L60E that has three jobs: Lubrication; Cooling; Energy movement Automatic transmission high rpm before shifting is an issue you may come across as a driver. GM 4L60e transmission is built in Toledo transmission, Toledo, Ohio, and at Romulus transmission located at Romulus, Michigan, and Ramos Arispe, Mexico. When it shifts it drops down to about 3500 rpm, which is way down the power curve for the engine. 42 gear ratio , change to 26 inches with 3. Post Trust me this thing shifts so hard it chirps the tires half the time even though I'm trying to make a concerted effort to get it to shift smoothly (accelerating very slowly, letting up right before it shifts, etc. We run RPM's stuff in just about anything that has 4l60/4l80 + big hp. 0 that has almost all torque manangement turned off when comparing to a stock tune. How high can I safely go, and what changes would I need to make to the internals of the engine and/or tranny to go higher? 4L60E in the Envoy that recently started whining, perhaps more like a fuel pump if I were to describe it. 3, 33in tires with 4. It just hits hard. 3 CPI auto - under construction Transmission does not shift 1-2 is a hard shift, whether its cold or hot. Swapped Sol A and B. The root cause is a worn valve body which causes a slip code and thus the high line pressure. rpm to 640, set etc tps table all to 100, set etc inj and power-hop tables to 255. Cavitation is associated with erratic shifting, internal transmission damage, and oil starvation. Does not fit 1993-1995, 2005 Corvette, or Hybrid applications. Common complaints on this transmission are TCC slip or shudder, code P1870 or P0894, harsh 1-2 shift, double bump shifts, 2-3 flare up, burnt 3-4 clutch plates as well as inconsistent pressure boost problems. Problem started the other day when i got onto the free way at 70mph the truck rev'd about 6,000 rpms and then grabbed into overdrive. 55v Also keep in mind First off the A4 needs to satisfy TWO variables before the shift is made. Doesn't store a code, will not throw a CEL (I've heard that it will store a code if it happens 3 or more times). Under slow acceleration, shifts 4l60E shifts only at high rpms. It keeps the transmission in a lower gear longer. If the ATF is dirty, i. He said he can't get a full reading from the computer. it changes the shift points, the rpms that the transmission shifts. I don't understand why this would happen so suddenly. The 4L60E was introduced for the 1993 model year and was employed in a variety of Chevrolet and GMC The 4L60E transmission platform has been in service from 1993-2015; that’s 22 years. 4L60E Problems: No Reverse. Rolling the throttle slower will make it not shift as hard but not by much. You can do this by opening up the transmission and manually removing some of the transmission until it is at the desired level. 00- Media Blast Transmission Case; RPM Level X 3-4 Clutch Pack; RPM Reinforced Sunshell with Collar and Bearing; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston; Bushing Kit; New I am new to this site and have a few questions about my 4L60E transmission. Starting At $ 4,995. Plus I'm sure the slight rpm difference from the tire/gear change, increased vehicle weight, and rolling resistance, wind resistance, all have something to do with the fact it feels sluggish, feels like it needs to shift at a higher rpm. NOTICE: 98 up: If vehicle has Torque Management this kit will not make hard shifts. 70 overdrive. Built 4l60e transmissions can be shifted quite a bit My first instinct is to replace the pressure control solenoid and the shift solenoids. We are also a dealer of there transmissions as well. If you start to see the RPM's rise about 2-300 RPM during the shift under load, that could be a sign of a pressure loss somewhere. Added the trans go 4l60e correction shify kit. If I don’t and continue to gas it, it will feel like my transmission is shattering. I had the transmission rebuilt 20k miles ago, about 400 miles post rebuild I ran into a 2-3 slip (same as before the rebuild), though mostly at low engine speed. My car has an automatic transmission. Transmission oil warm or hot 2. Exactly the same as 1st Drive. 00- Media Blast Transmission Case; RPM Level V 3-4 Clutch Pack; with Collar and Bearing; Heavy Duty Double Caged 29 Element Sprag; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston Texas Speed & Performance 4L60E Performance Transmission 2WD - LS 1998-2006 13 Pin - 750HP Rated TransGo 4L60E High RPM (3-4/FWD) Clutch Spring Kit $ 35. PCM Tune, LS1 Aluminum Drive Shaft, Cold Air Intake, 180 Thermostat, Magnaflow Cat-Back, HID Fog, Low & High. It doesn't happen when you first fire up in the morning, but when the transmission fluid warms up a bit, a tad over 100 F, and you lightly hit the gas taking off from a standstill, you hear the whine right away. 4L60E shifts from 1st to 3rd at about 2. At both the 1-2 shift and the 2-3 shifts, the Sonnax input carrier delivers a reduced ratio drop. When I got to the highway 4k RPM ~65 MPH, feel like 2nd gear. If it is commanding the shifts, and the transmission is not executing the shifts, that will lead you in one direction (transmission). For whatever reason, in a conversion setup, the pcm / ecm will sometimes use the hot mode settings - even Lets say you have a 1>2 (meaning 1st to 2nd gear shift) set at 6,400 RPM and 40MPH. Not wanting to shift into 3/4 gear just high rpms. Ok Ron at this point with NO check engine light on and assuming no codes are set in the computer the computer should be controlling the shifting as if it wasn't it would turn the light on HOWEVER , after buying it I find that the 1-2 shift is so hard that I am afraid it will break something, the shift is always at 1500 rpm and always immediate, with no lag. Do you think this is an adjustment on the TV cable. 4 quarts (9. 567 2nd gear ratios) Sonnax Smart Tech Drum for 3-4 clutch Pack B&M Pro-Stick Shifter - custom console installation 2 External Transmission Coolers mounted in series I recently rebuilt my 4l60E and tuned with the bluecat trans tool. TC rebuilt also. Tested all wiring. It just doesn't shift when it is supposed to. D0701 Base Pressure 1>2 Shift D0702 Base Pressure 2>3 Shift I'm in the middle of building a 4L60E using the Sonnax HP-4L60E-01 Performance Shift Pack and I'm worried that not having this tuned correctly will allow the clutch packs to slip with boosted power etc FYI 4L60E common problems / failures By The Master - Posted on June 22nd, 2008 The rpms are too high, but VSS is showing no movement. Includes redesigned 3-4 clutch piston return I recently rebuilt my 94 4l60e transmission, during which time I replaced all of the solenoids. I have heard that I can set my speed table to 0 I was also getting a 2-3 shift flare above 2700 rpm. I have a 2000 1500 w/ a 5. For instance, the clutch in the transmission just Failure to Shift. It shifts thorugh 1-2-3 without any problems but will not shift into od. The rpm's hold out way too long before it shifts. I'm trying to firm up and reduce shift times but the WOT first to second shift has a significant torque reduction throttle blade closure that I can't seem to alter. 4L60E – Level VI 1997-2005 Chevrolet Corvette. After learning a lot about this transmission from analyzing everything on tear down and the various tuning strategies ive employed on it over the years, plus talking to several successful builders, Ive pretty well got my tune nailed down. Its well worth it to learn to rebuild you own transmission if you have any plans on keeping the s10 for any more then 2 years. No check engine or other warning lights are on. In drive and reverse. Common failures on 4L60E, symptom < cause > any possible repair: 1. A 3200 RPM stall converter (or torque converter) can enhance your 4L60E transmission’s performance for high-powered applications, whether that means ensuring you get the best launch from a standing start, or minimizing wear-and-tear for heavy-duty, high-torque driving. Reverse is another complete unit,revs up continues to move at very high rpm,will not go to 4th,1,2 and rev work good be diagnosed and fixed first. Assuming 30-31 inch tires, and a 3. Going Today’s story concerns a 2007 Chevrolet pickup with a 5. The only thing you will feel is 4L60E – Level V 1999+ Chevrolet Silverado. engine rpm over 1500 on second gear 3. 3 seconds? Id be looking at a transmission rebuild. Solenoids control the flow of fluid, enabling gear changes. Example stock tire 28 inches 3. Do you have a 96-99 4L60E having 2-3 flare shifts causing transmission failure? Well here is how to fix the problem if it’s not to late or after installing a The 4L60E valve body is in second gear by default when the engine is off. Won't shift into 3rd until about 45 mph. By my calculations, the RPM at 34 MPH will only be 4536. Common failures on 4L60E, symptom -> cause -> any possible repair: Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. WOT shift within a couple I've tried shifting manually but it will not shift from 1st to 2nd gear until 3000 rpms and it shifts very hard, it has SES codes low tps voltage and Mass air flow low voltagethe tps I usually get either a laggy shift or a terrible slip (I'm talking RPM surge, no power while it tries to grab the gear) during 2-3 shift below ~2500 RPM, a sometimes lagging shift Idle and acceleration are now obviously corrected but I'm still having shift Issues thru the entire gear range - where it will hang/delay between gears at high RPM then awkwardly drop in. Solution: You will have to expel some of the transmission fluid in order for your automatic 4L60E to go back to normal functioning. 07-23-2020, 02:09 PM. Although very low RPM and high loads can damage the transmission, a sustained high RPM can also damage the transmission over time. 3-4 has a slight delay before shifting smooth. This could be the reason you are noticing 4l60e revs high before shifting. NOT TO MENTION HEAT. The goal is to give your 4L60E transmission a greater torque capacity and horsepower to improve its Customer: I have a 4l60e during part throttle 2nd to 3rd acts like burnt out clutch packs but during wot shifts perfectly fine? Mechanic's Assistant: Has the clutch been slipping? Are you having any trouble shifting? Customer: on my computer software, it shows the converter slipping the same angular frequency as rpm Mechanic's Assistant: What is the make/model/year of your Most transmissions will shift into overdrive at 40-50 MPH. Backshift to 3rd, 2nd, or 1st at any rpm by moving the lever. 23 gears. This 4L60E transmission rebuild kit for 1997-2003 GM comes with everything you need to give your transmission a performance boost. basically just floored it up through 3 gear a couple of times and then road around for about another hour doing normal driving on our way back home. 75 :1 ratio), leaving you at about 1500 RPM at about 46 The 4L60E trans is a relatively weak transmission, and has its share of downfalls. I put the converter in with the rebuilt So if your transmission IS shifting, the solenoids are working. I did all the basics on checking fluids and such, All is good. that is looking for that competitive edge in transmission torque capacity and shift performance. After that, I come to find that my truck won't shift into 3rd or 4th. However here is the issue. Automatic Transmission Manual Transmission. The 1-2, 2-3, 3-4, the pressure regulating valve. He rebuilt everything including solenoids and pressure switch replacement. What RPM should A 4l60e Shift At? How Strong Is A 4l60e Transmission? A shift kit is a great way to improve the performance of your 4l60e transmission, but there are a number of things to consider before installing one. 00 Add to cart; X. 56 gears in the front and read differentials couple months back. Media Blast Transmission Case; RPM Level VI 3-4 Clutch Pack; RPM Reinforced Sunshell with Collar and Bearing; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston; Bushing Kit; New Shift I have been trying to tune my stock 6. The higher the RPM, the more the wearing of the oil seals, and bearings, and the quicker transmission fluid breakdown. regulator valve increase pressure for firmer shifts. All that is required for a 1-2 shift is for the 2nd servo to apply the band. There are no "1-2 clutches" in a 4L60E. I thought i had no 3rd gear. During high RPM, the transmission oil pump overheats the fluid by sharing it between the gear 4L60E – Level VII 1993-2002 Chevrolet Camaro. The problem is due to the fact that for each mph I change in the speed table I get a very course rpm change like 140 rpm for the 1st/2nd and 70 rpm for the 2nd/3rd shifts. Shift points don't change at part or wide open throttle (for example 1-2 happens at around 15mph regardless) and there is no kickdown 3-2 (or 4-3 if in O/D). Hello I have a 94 Camaro z28 a4 what would cause my trans to shift only at high rpms? I've tried shifting manually but it will not shift from 1st to 2nd gear until 3000 rpms and it shifts very hard, it has SES codes low tps voltage and Mass air flow low voltagethe tps is set at . 64″ torque converter) or 11. Ever since then on the streets. The primary reason these shells break is because of high line pressure. It requires 48 lbs. The transmission has started slipping and/or revving to a very high RPM before shifting. The 4L60E transmission uses 2 shift solenoids to achieve four gear ratios. Harsh shifts can make the drive uncomfortable and are often a result of incorrect line pressure settings. And usually it runs around 1500rpm cruising at 45mph but not it's around 2200. Example: A faulty 1-2 shift solenoid may prevent the transmission from shifting into overdrive. . Looks like your 1-2 upshifts started out at . well the next day i got in my truck and after the trans has Just recently, after an engine swap (L31 with 411 pcm to 5. 3 engine and 4L60E tranny. No big deal. 700R4 4L60E 2004R high RPM pump vane ring kit 700R4 4L60E 2004R transmission parts 700R4 4L60E 2004R shift kits. on the engine tm general max torque set vs. Any ideas what could cause this? Everything in the transmission is new. 1559 posts · Joined 2023 Add to quote; Only show this user It’s got a built 350 with a 4L60e tranny which was built for 550HP. B&M CABLE BRACKET & SHIFT LEVER KIT - GM 4L60E, 4L65E, 4L80E and 4L85E. In 3rd gear (1:1 ratio) at about 47 MPH, the engine should be turning about 2000 RPM, if you’re not accelerating at that point, then the transmission will shift into 4th gear (. 3 and a 4L60E. Anyway, sending the PCM back to the tuner to reflash it for 3. 3L and 4L60E that came with the swap, 4. But i also believe that something has been jarred inside the trans. Distributor Part Numbers. Noise matches RPM's(louder as I accelerate). While mechanical wear accounts for some overdrive problems, electrical faults are behind many 4L60E transmission complaints. took me all of 3 hours to reassemble the trans AFTER the time of disassembly and cleaning and what not. We are proud to 96firephoenix: Yes i have tried to drive to high RPM, and it shift after some seconds at high RPM. The overdrive gear is gear number four. Shift solenoids, sensors, and wiring harnesses In this type of mode, the engine RPMs are going to be noticeably higher when a gear change occurs. Whining is NOT any accessories, it is from the transmission. but you need to find out if the PCM is commanding the shifts. It is possible that the "hot mode" settings are causing problems. I replaced the TPS, along with the temperature sensors and they seemed to have helped the transmission become more smooth. Driving aggressively can teach the transmission control module to shift late. Skip to content Main Navigation This data point essentially shows how much the engine RPM and transmission output shaft RPM are differing under load. 00- Media Blast Transmission Case; RPM Level V 3-4 Clutch Pack; with Collar and Bearing; Heavy Duty Double Caged 29 Element Sprag; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston This 4L60E-HD2 Reprogramming Kit fits 1993 to 2015 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission. And then when you gain enough speed to let it shift again (which is usually 4th) it will be in 2nd. 1992 GMC Sonoma SLE: 4. I am trying to see if anyone else has this issue and if it could be an internal issue, detent cable, govenor or what is causing A common cause of the 4L60E not shifting into overdrive is solenoid failure. i have an EGR code Evap pressure. Seems drivers thought it meant High Range so they changed it to Gr for Transmission is "whining" or "moaning" when in gear. If the needle moves up and down with the most minor of rpm input change, than it is likely that the locking mechanism There are two tables. </p> <p>4L60E-L3 Fits '94 This 4L60E-PRO Reprogramming Kit fits 1996 to 2018 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission. There are several reasons why your car’s automatic transmission might experience high RPM before shifting. I had to keep it in 4th in order to keep moving forward. 3 LM7 with a moderate sized cam. 4L60E Performance First gear goes up to maybe 5k then it shifts. ucqgcq lnzc vzfrzqna nmc xzuil gczq hvixig ikrb fhgghkmc tkbd