4l60e slipping after rebuild




4l60e slipping after rebuild Just rebuilt my transmission during winter and just had a testdrive. The transmission has worked fine for about 1 1/2 weeks but now when traveling at highway speeds the lockup seems to start slipping when going up even the slightest hill. if you foot it it wont slip . Thats not hot by any means, but it is consistent. Truck is worth $5000 so gotta do my home work. Some TCC slip is normal when the TCC applies directly after 11 km/h (7 mph) is reached. Dec 26, 2011 · sunshell is fractured. Sep 08, 2016 · Discussion Starter · #1 · Sep 8, 2016. It may just save your Butt one day! 4L60E-HD2 28 Sept 2017 Apr 09, 2009 · After I added a supercharger I broke the shaft in that trans. Shortly after the swap I switched back to the valve body out of the FWD tranny and the problem still exists. If that happens, it’s probably due to an issue with the pump or the converter. The truck shifts firmer (moreso than before it started slipping) due to the Corvette servo I assume and feels very Mar 10, 2014 · I'm a hobbyist so I don't have a garage to work in to drop trans. #11X Raybestos band. Ive also noticed trans fluid seeping slowly out of the bellhousing access hole/dust cover. Installing a Limited Slip Differential In Our Chevy Sport Truck. 2) Shifting is delayed. TCC Valve Eliminator. I totally overhauled my trans with 184,000 miles and still had a P1870 after rebuild. jezy · Registered. To my big disappointment it is slipping in forward gears. The shop that rebuilt it said that they had done multiple rebuilds on the 4l60e's (he told me one story about a trans am that was slipping in second - just as my truck was - after 15,000 miles). I only offer the transmission rebuild service. The 1/2 and 3/4 accumulator pistons with Sonnax pinless pistons (Same reason and to add new seals) 4. Rebuilt or Used. 025". 4th gear it was hard to maintain speed. One guy has a stock rebuilt one he'll install for $1300, but i think im going to go talk to him about an upgraded one. OPT-4L60E-RB. it was reving high hitting neutral then would slip into gear in the Aug 28, 2009 · I rebuilt a 4L60E it had worn clutches. It's stupid. No 2nd or 4th gear. New Reverse Booster valve and Pressure regulator piston. The cost associated with replacing a 4l60e TCC solenoid is not too bad, especially if you’re comfortable doing it yourself. To read the extended list of the top 30 4L60E Transmission Problems and Repair information click here. A more serious cause of 1-2 shift failure on the 4L60E is a leak in the 2nd gear apply circuit (servo assembly or 1-2 Automatic Transmission Rebuild Kit, Kolene Steels, GM, 4L60E, 30-Spline, Kit 93-03. Made from chromoly steel, this is a big improvement over the OEM tubes. When the transmission goes from 2nd to 3rd it slips as if there is no 3rd gear. Moves and shifts but acts like a rubber band. 1995 to 2015 General Motors vehicles equipped with a 4L60E, 4L65E and 4L70E SERTA (Service Replacement Transmission Assembly) remanufactured transmission often come in with complaints of TCC slip or shudder, code P1870 or P0894 and harsh 1-2 shift. The way the valve train is set up is, the isolator valve first spring in the middle and the converter reg EXPERT. 010". Jun 13, 2010 · I work as a general automotive tech but I don't know much about transmission internals; besides how to replace the transmission as a unit. The 2-4 band on the 4L60E/700R4 is adjusted by changing the servo pin to one of a different length or using shims as some rebuild kits will include them. Re: 4L60E slipping and not locking up. The rebuild procedure and the R & R seemed to go routinely until cooler flow was being checked. 1st and 3rd only, no 2,4 or R: Sunshell is fractured or splines are sheared off. The 2nd gear does not work at all. For example, whether your rebuilt 4L60E transmission will have all of the OE manufacturer updates and upgrades to increase its strength and longevity will vary from shop to shop. Nov 10, 2007 · Important - Vehicle speed must be over 11 km/h (7 mph). This kit comes with the Red Raybestos HP clutches, black Kolene steel plates, overhaul gasket set, oil filter, HP Kevlar 2-4 band, and popular bushings for the pump and case. Slippage can occur due to several possible causes , such as low fluid level, a slipping torque converter clutch, or slipping clutch or band within the transmission . So far, ive gotten a lot of estimates in the $1800-2200 range, 2200 being most places wiht upgrades. I rebuilt an auto AWD 4 yrs ago and then did an AWD conversion. 1,990 Answers. It is possible to remedy a fluid problem by removing the checkball from its cage in the case in the rear of the trans may help (must remove REBUILD KITS. They should also package this MUCH better. this code is usually due to a worn bore. 4L60E/4L60 Rebuild Procedures 152 The factory specification for this clearance is between 0. Apr 22, 2021 · 4l60e after rebuild is still slipping and new issue no overdrive. Nov 25, 2004 · Re: ok, 4l60E Rebuild/Upgrade. Slippage can occur due to several possible causes, such as low fluid level, a slipping torque converter clutch, or slipping clutch or band within the transmission. He kept the Corvette servo in and performed all of the usual 4L60E uprgrades. Jump to Latest Follow 1 - 6 of 6 Posts. It currently has 123,000 miles on it I bought it last summer, runs good, shifts good, no slipping. Oct 06, 2010 · Common failures on 4L60E, symptom -> cause -> any possible repair: 1. 2-4 band is slipping: 4l60e slipping after rebuild. Also, should I replace the steels after having them sieze against the clutches? Oct 06, 2010 · Common failures on 4L60E, symptom -> cause -> any possible repair: 1. Hello, The 1870 is a tcc slip code, You can try a valvebody repair first if you like, depending on how bad it is, it may or may not fix the problem. and the 2/4 servo apply seals are good and not cut. 3) Loud bang or grinding noises. They allowed me to customize my heavy duty transmission package with some heavy duty parts and a deep pan to keep it running cool. In response to jemanuel. Dialing In a Rebuilt 4L60E Automatic Transmission on a Chevy Silverado. Jun 17, 2007 — If he lets off the gas some it will shift back into 3rd. Oct 20, 2015 · Fresh 4l60e is slipping at WOT. 001- to 0. I am trying to verify a fresh rebuild on my 4L60E for my truck. We offer two versions of a 4L60E rebuild kit: a standard better-than-stock package, or the high performance rebuild kit. After a lot of miles on a stock transmission and all of the modifications to my truck, I wanted to go with a stronger performance transmission. The servo piston will generally take up enough adjustment that adjusting the band isn't an issue, but in the case of aftermarket bands or worn drums a longer servo pin is sometimes needed. Mar 24, 2018 · My experience with a P1870 is a TCC slip code. Jun 05, 2009 · My parents had to pay for a rebuilt 4l60e in a s-10 Blazer they had and it sounds like it had the same symptoms, but they didn't do anything about it until the torque converter was worn out, a $200 repair turned into a $2000 rebuild. Transmission must be removed and rebuilt. Jan 29, 2013 · Also - the rebuild kit I am looking at has this description -- GM 4L60E 1997-03 Deluxe Rebuild Kit Has all your Friction Plates, 3-4 PowerPack, Steel Plates, Sealing Rings, Metal Clad Seals, Gaskets, Orings, Filter, Band, Bonded pistons, Front Pump Bushing and Extension Housing Bushing. once going downhill or level it seems to lock up again. Typically the TCC solenoid itself costs under $30, so between that and fluid and a new filter (might as well change that while you’re in there), you can be less than $100 into replacing a TCC solenoid yourself in a few hours. 005" and 0. 1/2 shift was better for a couple weeks now back to soft . OK, thanks mike, ill give them a call. 4L60E Transmission Won’t Move In Any Gear (Cause & Solution) The strength of a 4L60E transmission is impressive, so much so that it works for both cars and trucks. i drove the truck and it does reverse and 1st gears smooth. The speedometer Mar 15, 2021 · What causes a 4L60E transmission to slip? ANSWER: This is a common issue with many GM vehicles using the 4L60E transmission , and the odds are high it will not require overhaul. I called the guy and the three year I thought I had was only a 1 year warranty that ran out as the transmission sat in my garage. Very well could be taht the Computer is not recieving the Shift codes Correctly. Since you need to allow for gasket crush, keep the minimum clearance above 0. If he lets off the gas some it will shift back into 3rd. The 4L65E is the same as 4L60E transmission however it has 5 gear pinion planetaries and is heavier duty unit. we have to lay on the gas for it to run. The forward Accumulator piston with a Sonnax Pinless piston on the valve body (remove plastic piston) 3. Feb 28, 2010 · TCC Slip when showing fully locked. these guys who rebuild th 350's and th 400's all the time, and think this means that they can automatically build a GOOD th 4l60e are sorley mistaken. 2WD and varying electronic and solenoid systems for different years. 0 with 4L65e, built with Beast sunshell, shift kit, alto frictions, Trailblazer converter. The 3-4 Clutches Are Not Working and Quickly Worn Out. Both when starting in OD, 3rd, 2nd and 1st. First and second gear, even third possibly, would transition somewhat hard but then this redlining and kick down at 45 Apr 05, 2017 · If you’ve had problems with the 4L60E after a rebuild, check this article from LS1tech. There are over 60 different variations of the 4L60E (so we have over 60 different part numbers!). I also put in IPTs kit at the same time. I think below 10. it was so Feb 07, 2017 · The 1-2 shift failure on the 4L60E is often due to a faulty throttle position sensor (TPS). (Out of Stock) 35371B 700R4 4L60E Transmission Forward & 1-2 Accumulator Spring, red color After throwing parts at my 4L60e (Vette Servo, new 1-2 Accumulator) which did not fix my slipping 2nd gear problem, I installed this Sonnax apply pin and now the trans shifts like new. I replaced 1-2 solenoid, 3-4 solenoid. However it does firm the 1-2 a little. The converter or front pump may be bad. No transmission removal or installation service is offered. 4) Loss of all gears. Jan 24, 2003 · I will likely get the #24X master rebuild kit with Blue Plate Special 3-4 clutches. 3 4x4 Sep 02, 2014 · The vette servo is a good thing, but it's more setup for the 2-3 shift as it's the 3rd accumulator. Try not to run or drive the car or further damage could result. Please be sure to bring the torque converter with the Apr 03, 2012 · And here it is, the short list of common problems with the 4L60E Transmission and repair: 1) Slow, slipping or no reverse. The transmission would "slip" out of OD after about 20 Oct 26, 2021 · The 4l60e In my z71 is slipping and being erratic at times. Sign In. It is ideal for vehicles powered by engines producing up to 650 horsepower with a naturally aspirated system using pump gasoline. A standard rebuild consists of only replacing items that are completely Aug 14, 2019 · Hopefully that does the trick. Could be a torque converter, TCC solenoid valve in valve body. 1995 LS 4. Just for an Easy Solution, Remove the ECM Fuse from the Fuse panel for 2 or 3 Minutes to Reset the Computer and let me know what you get. Feb 07, 2017 · The 1-2 shift failure on the 4L60E is often due to a faulty throttle position sensor (TPS). Check to make sure the fluid is clean and full. Anyone who wants to put big power through a trans in a truck, had better be Reduces code P1870, converter slip/shudder Overheat caused by slipping converter ® New Tech’s & DIY’s: Start this habit when working on cars- Always save your old parts & trash’em two weeks after the job drives away. Once in 3rd, if the transmission downshifts into 2nd it will just rev the engine and not go anywhere. #17X The Beast reaction shell. Jul 25, 2019 · 4l60E TCC slip problems, is there a way to tune it out. 4L60E / 4L65E / 4L70E parts in. Here is receipt. Mar 15, 2021 · What causes a 4L60E transmission to slip? ANSWER: This is a common issue with many GM vehicles using the 4L60E transmission , and the odds are high it will not require overhaul. Hope you get it figured out. OPT-4L60E-RBHP. ” The vehicle had 128,967 miles on the odometer, so the customer was sold a complete rebuild, including a rebuilt torque converter. 7L. 1994 C1500 4L60E TBI 5. 5. Season 1, Episode 13. High performance master rebuild kit for the GM 4L60E, 4L65E, 4L70E automatic transmission. 8. feels tight, shifts great and I really couldn't be happier with the way it runs, well except for one thing. This is the first Electronic Trans I've done (I have built a few TH350's & 400's in the past) and also the first time I have tried to use FlashScanV2, so the learning curve is a bit steep at the moment. there is a problem with the valve body assembly and or the spacer plate under the valve body. The pump stator has one of the most important jobs and that is to hold the shaft steady while the input drum assy is turning, anywhere from idle to 5500 rpm (stock vehicles). Posted on Dec 31, 2008. Replaced band and all seals. Each one for a different engine size (bellhousing), 4WD vs. Test the sensor (there should be a smooth, linear electrical response over the range of motion) or substitute a known good unit. Jul 17, 2020 · Not only do 4L60E transmission owners experience a delay or harshness in 1-2 shift, but there have also been reports of an inability to shift into overdrive. Mar 05, 2020 · Also, every rebuilt 4L60 transmission I have had, 4 so far between my vehicles, has needed to have the filter changed after the first few hundred miles. then finally after 5 min of high idle it finally ran on its own. Oct 23, 2021 · '94 4L60E, after rebuild: no 1st/4th, terrible line pressure and no line rise at all: incorrect '95-up spacer plate used. The 1st gear works fine, then it will skip 2nd as he accelerates and then drops into 3rd. Pump cavitation can be detected by excessive air bubbles on the dipstick of an extremely erratic pressure gauge and usually is caused by low fluid levels, a bad filter neck seal or distorted pump face halves. This month’s problem vehicle is a 1998 GM truck with a flare on the 2-3 shift before and after overhaul, with no trouble codes. The shop installed a second valve body with all solenoids but it didn’t help. #5 13 vane pump upgrade. Some times it just starts in 2nd gear and stays put until I let off the gas then get back on it to feather it into 3rd. Jun 17, 2007 · If I ever got another 4l60e rebuild, I would pay the big dollars for shipping and get a FLT trans, or a Rock On 4l60e. 3 Automatic 2WD with a 4L60E transmission. Jul 28, 2012 · The customer complaint was “slipping in reverse. Apr 03, 2012 · And here it is, the short list of common problems with the 4L60E Transmission and repair: 1) Slow, slipping or no reverse. The 3/4 piston rubber seals shrink from heat and age. 2003 Yukon Denali 6. I will also be adding a transmission cooler. My friend has a 1996 K1500 with a 4L60E. engine up to a V8 engine, 2 wheel and 4 wheel drive versions. Mar 25, 2010 · Strangely enough I am in the same situation, no reverse after a rebuild. Why is my 4l60e transmission slipping? One of, if not the most common problems that the 4L60E transmission comes across is found in the reverse gear. He also installed 8 3-4 clutches as opposed to the factory 6 (if I remember correctly). So, as a result, they will need to be rebuilt after being removed. 002-inch internal clearance is unacceptable. One day and $1300 later, I now have a completely rebuilt tranny. . A Rebuilt 4L60E Transmission. Example: Slip speed is higher in second and fourth gear than in third gear. Slow, slipping or no reverse: “lo-reverse†clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. I upgraded to a RPM level V w/harden output shaft (now know as Level VI) I was getting about 200 passes (one season) running in a 10. It''s going in my 1997 Tahoe. . If no lights came on, chances are it isn't electrical. (Toyota doesn't allow us to rebuild them so they don't send us to school to learn how) I know it is a 4L60 and it will die eventually but I was just curious what to look for to be broke when I go to rebuild it. Mar 26, 2021 · I have a 2003 S10 4. Endplay is adjusted by changing the selective washer under the thrust bearing on Season 1, Episode 12. Feb 05, 2011 · I had a 4l60e in a 99 silverado that had the 5. May 23, 2006 · the reason I ask is the reverse gear in my 4L60E is slipping pretty bad. This can be due to the low reverse clutch being worn out, for one, and there is debris falling into the transmission pan, which should then be emptied and then try using the reverse gear again. I've been quoted $3300 for rebuild and $1000 for new converter install. I had my transmission rebuilt by a transmission shop and a year and a half ago but I just got the truck up and running a little bit about. Engineered to Dominate, the 4L60E 2 piece case SS Mega Monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tire-spinning shifts race after race. If you are able to remove and reinstall your 4L60E transmission but do not want to take on the job of rebuilding it, you have come to the right place. Mar 07, 2012 · the trans now has aprox 80,000 since the rebuild,noticed some metal during the service and tore it arart last month and found the thrust washer on the rear planet had failed ,so i stripped the trans and cleaned it all out scuffed the steels and put new clutches in the pack and reinstalled the trans. Oct 24, 2016 · After a complete disassembly and cleaning, Galante started by checking the clearances of our rebuilt front pump—even a slight change from 0. The standard kit featured above is part number OPT-4L60E-RB and features everything you see in the first photograph. If I start from a dead stop in D it will accelerate through 1st and 2nd gears without any slippage and when the transmission tries to shift into 3rd it acts if there is no 3rd gear (revs to moon- no forward motion). 00 is the break point for the 4l60e trans to be relieable. To maximize unit life, keep the maximum measured clearance below 0. This is a discussion on 4L60E Slipping within the Automatic Transmission forums, part of the Drivetrain category; 98 T/A LS1 w/4L60E Transmission was rebuilt two weeks ago. Cut turbine shaft seal, input drum seals cut, there's a fluid pressure loss somewhere the computer can read. The filters quickly get clogged after a rebuild but then are fine for thousands after changing filter and fluid. 3 in it, the trans had to be rebuilt at 50,000 miles of "normal high school driving". hopefully if it is the valve body problem that it did not damage the 3/4 clutches as it has been slipping and or flaring Nov 14, 2006 · Another contender that can now be added to the list of possible causes for 2-3 shift flare on a 4L60-E is a bad computer. I do not know the service history of this truck but I want it to last as long as possible and I believe there is a chance the transmission fluid is original. Trans overheated blew out about a quart of fluid. What causes a 4L60E transmission to slip? ANSWER: This is a common issue with many GM vehicles using the 4L60E transmission, and the odds are high it will not require overhaul. this is in a 91 TBI suburban, 4WD 4" lift and 33's. I read many threads about shift kits and rebuilding 4l60e's and I never read anything about this tcc valve problem. Just my experience. Though most automatic transmission diagnoses and repairs are beyond the scope of the home mechanic, you can diagnose some common issues without specialized tools or training. If the slip speed remains constant from gear to gear, then the condition is most likely TCC related. it just wouldn't shift smooth. this is my tow rig/DD and I cant have it down for too long (going to have to be less than a weekend). I have a 1995 Chevy K1500 4x4 4L60e , just rebuilt the transmission completely and after I've put little over 600 miles on it and now the transmission won't shift into Overdrive unless you stop turn the truck off wait a few minutes, then start the truck back up and drive down the road, after that it'll start going into Overdrive again like Sep 22, 2010 · 700R4/4L60/4L60E Tips To Prevent 3-4 Clutch Failures Part 1 The 3-4 Clutch is a busy, hard worked clutch that needs all the help we can give it. I switched em back and now just rarely drive the car. 0L engines. 3rd and 4th do not slip but the TCC slips once my tranny oil gets to the 170 degree range. Jun 17, 2007 · 1-8-4-3-6-5-7-2. Mar 11, 2020 · What causes 4l60e pump failure? This rotor also will fail should the pump be able to suck in unwanted air causing it to cavitate. The Mar 26, 2021 · I have a 2003 S10 4. For some reason the converter will lockup and then within a mile of driving it will unlock and stay that way for another mile of driving and then lockup again Services - 4L60E Transmissions. every 4L60E I rebuild and they work great. From bells to valve bodies, added solenoids, changes in pump and convertors. Aug 01, 2010 · 4L60E Slipping. Guess I turned up the boost a little too much and smoked the t 4L60E/4L60 Rebuild Procedures 152 The factory specification for this clearance is between 0. The entire valvebody with a rebuilt one. Fits -- 1996 to 1999 GM 4L60E Valve Bodies. Jun 05, 2021 · 4L80e Saturday challenge. She told me 2nd gear was slipping. Some times it starts off in 2nd then around 20mph drops into 1st and takes off then back into 2nd. If you have slip or flare on the 1-2, then the spring Jimmyjam mentioned is a good place to start, but also I would want to know all the check balls made it into their rightful resting spot when it was rebuilt. Pressure solenoid. 036". Was this. J. After it gets out of 1st it seems fine. The 4L60E is a four-speed, electronically controlled automatic transmission used in light-duty trucks made by General Motors (GM). Nov 17, 2012 · The 4L60E Transmission has went through many changes/improvements over the years since it first came out in 1982. The term rebuilt can have different meanings from shop to shop. Please note you will need to select your year from the drop down Mar 05, 2015 · Re: '99 Tahoe 4L60E trans P1870 code. 00 index class before I would have the trans refreshed. 6 out of 5 stars 328 #1 Best Seller in Automotive Replacement Transmission Valve Body Kits Remanufactured 4L60E vs. 9. Whatever is going on with your transmission, I hope that you are successful in fixing it, and you don’t end up losing an arm and a leg on repairing your 4L60E. The speedometer Mar 10, 2014 · I'm a hobbyist so I don't have a garage to work in to drop trans. 2. Please note you will need to select your year from the drop down The Hydramatic 4L60E transmission is a computer controlled 4 speed automatic transmission with torque converter clutch, and can be found behind a 4 cyl. I Apr 05, 2017 · If you’ve had problems with the 4L60E after a rebuild, check this article from LS1tech. Brand new, completely rebuilt, upgraded to Corvette specs. The box it came in was a joke. Estimated Ship Date: 12/13/2021 if ATSG 4L60E Transmission Repair Manual (GM THM for Sale New or Used 4L60e Valve Body - Repair Shops Can Save On Rebuild Costs) 4. if the 3/4 clutch air gap is set correct and the 3/4 piston is good when it was air checked and the input drum is good and not cracked. If it is, you need to have fluid pressure checked. A more serious cause of 1-2 shift failure on the 4L60E is a leak in the 2nd gear apply circuit (servo assembly or 1-2 Dec 09, 2007 · ImportantVehicle speed must be over 11 km/h (7 mph). In this episode I show you how to remove a 4L60E transmission from a 2000 Chev Silverado 1500. Reverse is really firm!! 1992 case, red alto and kolene steels, Transgo HD2 kit and internally dual fed It had problems right after the second rebuild and I brought it back to the shop, they repaired the problem. And probably the #14X 4L60E release spring kit. After reinstalling our 4l60e, we had trouble with kick down and over-rev / redlining when accelerating and traveling 45 mph; she'd kick down to second or first, rpms jumping from @ 2700 to 4200. Not Yet Reviewed. Oct 04, 2009 · after we put it all back together we went to start the truck and it wouldnt idle. However, the system may deal with situations where the 4L60E transmission won’t move in any gear. 97 Chevy k1500 4l60e transmission slipping in 1st When I put my truck into drive it slipped pretty bad, I can't spin my tires in sand. A standard rebuild consists of only replacing items that are completely Oct 19, 2021 · Fixes P1870 & other codes caused by worn valve body TCC regulator valve bore. 85, 0. Trans is in 98 Astro 2wd(Moms van) Drove good for 30ish miles. Failsafe tech on how-to swap in, and dial in a street performance automatic transmission and complete the driveline. I never had any slippage at lights until after this shop put the new fluid in. I just purchased a 4L60E 4WD transmission. Aug 28, 2009 · Question for the transmission guru… I have a 2004 Yukon with stabilitrac AWD. 4L65E models are specifically used with 6. Part Number: SUM-705025. it was so Dec 09, 2007 · ImportantVehicle speed must be over 11 km/h (7 mph). com. Anyone who wants to put big power through a trans in a truck, had better be Mar 07, 2012 · the trans now has aprox 80,000 since the rebuild,noticed some metal during the service and tore it arart last month and found the thrust washer on the rear planet had failed ,so i stripped the trans and cleaned it all out scuffed the steels and put new clutches in the pack and reinstalled the trans. Jan 12, 2012 · So I have this little problem with my '99 Camaro, I just had the trans rebuilt and I have to say it is working great. The 3-4 clutches are reportedly quick to wear out. Must be removed and rebuilt. Should have bought a rebuild kit and rebuilt my existing 4l60, overall disappointed with this product for apparently being dyno tested and built to last. 4l60e slipping after rebuild

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