4l60e no passing gear I coasted off the hwy, and the trans wouldn't go into any gear. Could this be a shift solenoid, or something else? Of course, the acceleration is a bit disappointing now. And noticed instantly that my transmission would flare from 2-3. Jun 23, 2015 · Chevrolet Silverado 1999-2006: Transmission Shifting Problems and Diagnostics Take a couple of easy steps to see why your truck is not shifting. I've read some threads here which state this may be a problem with a bad solenoid. Fluid is in good shape, connections are together. GM 4-Speed Automatics 700R4/4L60E/4L80E There are two basic GM 4-Speed automatics: The light duty 700R4/4L60E found mainly in half ton and car applications, and the heavy duty 4L80E in the heavier applications. will shift in all gears. i had Today we install a Corvette servo in my Cadillac Escalade. In P Feb 1, 2024 · Hey gentleman! So I purchased a used 4l60e tranny for my 97 gmc c1500 along with a brand new torque converter. No 3rd or 4th gear: “3-4” clutches are worn out. It drives and shifts perfectly other than recently, after its warmed up it seems to struggle to shift into overdrive. You look through the GM diagnosis list and repost without any facts to back it up. Complained of shifting issues. 2sonomaken Mar 24, 2013 2 Oct 13, 2024 · If you own a vehicle with a 4L60E transmission, you're likely familiar with its quirks. It was like i kicked into passing gear. (my first) It worked great for four days, had all gears, shifted at proper RPM/Speed, and all seemed great. My tranny is stuck in 1st and I also have no speedometer. Then determined there was low pressure that wasn't rising with rpm and/or load in any gear other than slightly when initially shifting to rev. I suspect this is a result of the transmission not holding gear. Sep 3, 2022 · 3 Reasons Why 4L60E Transmission Won’t Move In Any Gear With Solution Three common 4L60E transmission problems What Would Causes A 4L60E Transmission Not to Shift are a failure in the 3/4 clutch pack, a broken drive shell, and a worn TCC regulator valve. The 4L60-E is found in nearly every GM rear-wheel-drive application, including the C/K Truck, Sonoma, Jimmy, Tahoe, Yukon, Astro, Safari, Suburban, Bravada, […] to call it the passing gear. No multi purpose fluid or other stuff. Dec 26, 2011 · 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. May 6, 2023 · BTW, 'limp mode' is a failsafe for electronic issues -- 3rd is the only gear in the 4L60E that doesn't require electronic activation, so it became the 'limp home' gear. It will drive fine and stay in overdrive for a good 10 miles from a cold start, but then once it is warmed up it will jump out of overdrive and downshift. Low or contaminated fluid can lead to poor shifting performance Need some help/Idea's I removed a running driving complete 5. 2007 Silverado 1500 LT , 4x4 z71, crew cab, 5. If you take a few moments to study the gear chart for your transmission and rear end ratio combination you will see why this product is so popular. 06 first gear which is good for initial take off but this makes the transmission have the widest ratio … Continue reading GM 4-Speed Auto → Jan 5, 2024 · Hey guys, I'm back again with transmission troubles, hoping someone can let me pick their brain Recently picked up a 1990 GM 1500, 2 wheel drive 350 paired auto 700r4. com 3 days ago · Your Chevy just slipped out of gear at a stoplight. When you put your vehicle in third gear, the engine runs away as if it's in neutral. I installed it into a 99 S10. It was used in automobiles from cars (including the C4, C5 and early C6 Corvettes) to pickup trucks, and from 2WD to 4WD Oct 19, 2014 · Hi, I have 93 Suburban 2WD 350 w/ 4L60E. It starts right up and idles fine. 3 CPI V-6 truck with 62K original miles on it since we bought it new. As the 4L60E ages, one of the most common problems that it develops is that it won't shift into overdrive anymore. If you’re driving a GM truck or SUV from the ’90s or 2000s, chances are you’ve got a 4L60E transmission—and it’s trying to tell you something. 7-bone stock Recently had a reputable builder put together a basic 4L60E. Just what I have read and certainly not a transmission expert 2 mos James Merryman Archibald Bareassol After 43 yrs I'm still asked how to set the cable on 700r4,s , most of time it has some much aftermarket stuff like carbs, intakes, that it takes a custom bracket to get geometry right, so yes it's still a puzzle for most, 2 mos 1 James Merryman Might just be a Aug 15, 2011 · How To Test Shift Solenoid A And B. morse not when it is warm. 06 first gear which is good for … Continue reading GM 4/5/6-Spd Auto → Explore the 4L60E transmission parts diagram to understand each component and its role in the system for better maintenance and repair insights. Still no luck! There were two more solenoids on the front of the valve body that the book stated were for 3-2 and 2-1 valve controls. Shift A solenoid could be bad, or the low roller clutch assembly if it's an internal problem. R&R. Jun 11, 2014 · 4L60E no 1st or 4th gear (od) 1 reading Jump to Latest 23K views 7 replies 2 participants last post by 00silvyON Jun 13, 2014 Have 4l60e transmission, just rebuilt it few day ago. 0 and 4L60E. I made another video Transmission Fluid Leak | Charlotte NC | Transmission Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. No 1st. Details as follows -189,000 km - I bought the truck with a freshly rebuilt transmission with paperwork to prove it. No need to panic yet. Went to move the truck and when I shifted from park to drive, I had to give it a little extra pressure and wiggle to get it to move into Drive. But to the point i was Jan 13, 2013 · All forward and reverse gears available No kickdown available at throttle NO codes Will not hold 1st gear manually, will shift to 2nd ALMOST immediately at 5-10 mph regardless of throttle position. At Wal-Mart, the fluid level was fine and had a nice pink color with no burned smell so I made no additions. Aug 4, 2015 · This article applies to the Chevrolet Silverado GMT900 (2007-2013). 9K subscribers Subscribe 1995 K1500 4L60e has no 1st gear in D or 1. Now I find that the transmission is not using first gear. Mar 20, 2025 · Gear slippage & difficulty shifting between certain gears are just some of the many common problems with General Motors' 4L60E transmission. Truck has 190k miles on it w/o any rebuilds. You would think by now we have seen all the possible causes for the various problems they have, burnt 3-4 clutches, band failure, reverse reaction shell failure, and the list goes on and on. I know if it was in Jan 14, 2018 · 1997 1998 GMC Sonoma (Chevy S-10) 4. I'm getting no May 5, 2018 · The 4L60E is a for speed automatic transmission with a . I have a 4l60e ran by an optishift unit in my 92. Scotties Hobbies 60. Work was done by local tranny shop -190,000 km - lost 2nd gear completely, taken to repair shop to be May 21, 2018 · Did a crossmember on my truck, welded it in. Just no 1st or 4th. Make sure filter an fluid level when hot is good. 3L V6, 4WD, 4L60E This is the vehicle that had a frozen battery and loose negative cable at the battery terminal. Does not shift up and speedo doesn’t work. Lots of clutch material when I dropped pan, so I replaced all the clutches. How to start root cause analyse Dear Tranny People, I am Electric girl and need some help of mechanics to do a propper root cause analyse. Dec 6, 2017 · I went a bought a used transmission off Craigslist and couldn't get the tranny to do anything in any gear at all so I figured I got burned and bought a rebuilt 4l60e to install but I'm still having issues. I tested all the usual suspects, and replaced the 3rd accumulator check ball. Check trans fuse underhood, and make sure transmission electrical connector is plugged in. I went to the store and left it running, when I got back my CEL was on. 1st and 3rd only, no 2,4 or R: Sunshell is fractured or splines are Apr 4, 2017 · Hello all. I What was your transmission temperature? Ive tuned a couple trucks with higher mileage transmissions and they ran great like yours was doing until several pulls and trans warmed up and would slip like that. I hooked Vcm Scanner to it and noticed that the PRNDL status is in D4, and indicated gear is 3 all of the time regardless of where is shifter is placed. My buddy and I just rebuilt my 4L60E with just some new clutches, steels, shims, filter, and gaskets, nothing to in depth. Sometimes it would shift from 1st to 4th in 500' no matter how far I pushed the pedal. I'm a 20+ Feb 10, 2008 · GM 4L60E no 4th gear. He has an older 3 speed shifter box, but even though it is cycling through the shifter positions, the shifter status is in D4 the whole time. 5. PCM could Third gear not working in your GM transmission? Here's the most likely cause. Dec 30, 2023 · I have a 96 gmc k1500 with the 5. The car is safe to drive (in 2) until you can get it fixed. I went to start it up to leave and it just cranks? After checking I discover no-fuel getting to the TBI. it appears yours was taking longer between shifts every time you made a pull? Also your timing is very low and Spark tables look odd? high timing at the low rpms low load areas? Edit: Looked Sep 24, 2023 · I have an 05 gmc yukon 5. you will be in the highest gear lowest engine RPM. After a ECU send signal to transmission (Shift to 3 at statistic) it turn to neutral but not upshift next to 3. is this tranny on its way out? Jul 19, 2023 · Common Causes of Gear Shifting Problems Transmission Fluid Issues One common cause of gear shifting problems in a GMC Envoy is issues with the transmission fluid. Only use dexron fluid. I haven't a 2-3 upshift. With tranny fuse in and key in run position Forum LSx Technical Help Section Drivetrain Automatic Transmission Help: A4 4l60e Trans won't shift out of 1st gear Jul 17, 2025 · Explore common Chevrolet 4L60E transmission problems, causes, owner feedback, and recall information for informed decisions. Although you may have some of these symptoms/problems with your 4L60E Transmission, the repair solution may differ. When it tries to go into 3rd then engine just revs but nothing happens. This is all in my 2001 Chevy Tahoe I'm having issue with torque loss. Jan 4, 2025 · 2007 New Body Sierra 1500 5. So, what causes the no 3rd gear or 4th gear problem? Below are some common Jan 22, 2011 · I recently did a stock rebuild on a 4l60e that came in with a failed band and 3-4 clutches. Backstory: Transmission was rebuild May 10, 2018 · The 2003 GMC Sierra was the 5th year of the GMT800 platform truck. 8. Learn the possible causes and symptoms that can lead to a P0894 trouble code to prevent any serious damage to your car. The overdrive gear is gear number four. I cannot find an affordable transmission locally and don’t want to pay for a Apr 10, 2024 · EDIT: thread was originally started due to a 2-3 flare. 3 with about 280,000 miles, transmission was rebuilt 6 years ago and i will not shift out of 1st gear at all. No trans Jun 25, 2013 · General Tech - 4L60E Question - suddenly lost 3/4 Gears - Just did a rebuild on a 4L60E transmission. Or maybe you’re dealing with that infamous harsh shift that rattles your teeth. Testing Solenoid A And B on the 4L60-E. Every other shift seems great We would like to show you a description here but the site won’t allow us. I tried giving it a little gas to kick in the passing gear and again it went into like a neutral state. So far i have pulled the valve body and have it completely disassembled and cleaned. I'm getting no Feb 21, 2025 · Explore common GMC 4L60E transmission problems, their causes, solutions, and important facts to keep your vehicle running smoothly. It has not detent cable so its not a 700r4. Our guide can help you out! Jul 19, 2023 · Common Causes of Gear Shifting Problems Transmission Fluid Issues One common cause of gear shifting problems in a Chevy S10 is issues with the transmission fluid. About a month ago, my transmission started shifting oddly into 2nd gear, I would have to go well over the normal RPM shift range and let off the accelerator for it to shift properly. May 4, 2018 · One of the most common problems with the 4L60E is that the reverse gear will go out. Torque converter locks up too. Everything works fine until you go to the third gear. 700R4/4L60E’s have a low 3. Become an expert on this popular transmission today! Bad 3-4 clutch pack caused by inferior original 3-4 clutch piston May 6, 2014 · The 4L60E is lighter, shorter, and has a better First gear ratio than the 4L80E does. Driving a Hummer H2 gives you a sense of power and adventure, but even the mighty H2 isn’t immune to transmission issues. Any suggestions on Mar 24, 2010 · My 93 GMC truck 4L60e stays in second gear now it will go into reverse but it won't go into any other gear where do I start no check engine light on? From a dead start it's taking off in second gear also here is some history on it for years my reverse has had a slight slip and it gets worst Nov 9, 2021 · Since you have the 4L60E computer, you might first make sure the computer is energizing the 2-3 solenoid when shifting into 3rd gear. Although you may have some of these symptoms / problems with your 4L60E Transmission, the repair solution may differ. You shouldnt have 2nd or 4th either an oem sunshell gear is made of unhardened steel, the beast sunshell from monster transmission is the best and toughest on the market. This requires three rings to seal for apply: the large teflon, the small teflon and the Okay--I replaceed the 1-2 and 2-3 shift solenoids. While the 4L80E has less slip between Third and Fourth gears, it is hard to beat the First gear in the 4L60E Jun 6, 2011 · I noticed a bit of a growl coming from the transmission in my 96 Caprice. A bad VSS will cause a no upshift condition, but it won't specifically disable 3rd or 4th. Shift Solenoid 1-2, Shift Solenoid 2-3 Troubleshooting. Sounds like the clutches have burned out. What Happened To Your Car's Buttons? How Do You Get Them Back? We Find Out. I can Nov 25, 2013 · hey everyone I am having shifting issues in my s10 I have a 4. GM/CHEVROLET FINAL DRIVE RATIOS It is the gear under your seat that counts. My buddy used to work for GM. Aug 14, 2002 · tjcdmc, No they don't have passing gear linkage/throttle valve cable anymore, that was one of the things eliminated when it went electronic. The … Continue reading GM Drive Ratios → GM Truck / Car / Van / Motorhome2 Wheel Drive 4 / 5/ 6 Speed Automatics There are two basic GM 4-Speed automatics: The light duty 700R4/4L60E found mainly in half ton and car applications, and the heavy duty 4L80E in the heavier applications. Operating temperature has no affect When revving in Park, speedo needle will climb to around Aug 30, 2024 · My 2002 GMC Envoy 4. Feb 21, 2020 · My 4L60e went nuts, not exactly the same as this example and it was the ignition switch causing it. this gives max MPG . Damaged overdrive servo – Leaks reduce apply force needed for OD. It shifts good into 2nd, 3rd, but when it shifts into 4th it slips and feels Nov 12, 2025 · Explore the most common 4L60E transmission problems and learn how to prevent failure with smart upgrades and routine maintenance. Easy fix. Apr 26, 2011 · sorry to revive a dead thread but does anyone have any more info on this issue. Engine running and engine computer sensors and even fuel pressure have to be Fixing my 4L60E Auto transmission, the problem was hard shift from 1 to 2 gear, but otherwise it was good. The 4L60E is the electronically commanded evolution of the Turbo-Hydramatic 700R4, originally produced in 1982. I was driving cross country, pulling a trailer when the RPM's Jumped. Classic Industries offers a wide selection of Fuel System Components for your 1994 Chevrolet Blazer. When a 4L60E transmission only moves in 1st and 2nd gear and won’t shift into overdrive, check the transmission fluid level and condition first. Dec 4, 2011 · 6. 0L Gen 3 LS. Trans shifts into gear harshly, 3rd gear starts, manual 2nd available but no 1st, no 4th, and no TCC lockup: No power to transmission, or trans is in limp-home mode. Does anyone know if those could be the problem? Certainly it is not mechanical because it works all of the time when it is cold and only some of the time when it is warm. replaced the normal seals, screens, clutches, steels, and band. Let’s dive into the common problems you might encounter and the technical details you should know to have a productive conversation with your mechanic. 7. Majority of the time it's the connector, as when transmission connector is loose or off it defaults it into 2nd in manual position and 3rd gear only. you can rev it up in 1st, let off the gas and it will go into 3. For a complete diagnosis on your GM 4L60E Few transmissions have been produced in greater numbers than the prolific 4L60-E transmission. Mar 4, 2018 · Overdrive swaps in classic cars are nothing new. Below, you'll find a ton of troubleshooting your transmission problems. Feb 18, 2011 · C4 Tech/Performance - Got the dreaded 4l60e no shift into 3rd or 4th thing - Hi guys. It will get stuck at 2000 rpm and even if I put the pedal on the floor it will not rev any higher. Aug 15, 2011 · How To Test Shift Solenoid A And B. The engine light come on due to the no shift. Explore key components, their functions, and how they fit together in this automatic transmission. No failure codes stored which give me a hint. May 10, 2024 · Just rebuilt a 2000 2WD 60e that has no first gear; all other gears ok, upshifts/downshifts ok, both manually and automatically. I was checking, because I've seen this quite a few times after install. does the unit operate properly otherwise? Write your reply See full list on thegrumpymechanic. heres some more info about all the common 4L60E problems n solutions. im pretty sure the spedo worked when i test drove it but the trans would not shift from low while in D, 1, 2, or 3 Curt talks to us about the top 3 common problems with the 4L60E and 4L65E like the 1870 TCC code, burnt 3-4 clutch pack and broken sunshells. 3 . What Makes the 4L60E So Problem-Prone? The 4L60E isn’t a bad transmission. Fortunately, this massive volume has paid for explosive amounts of research and development across the transmission industry. 2-3 manually only, no 4th. Truck originally shifted fine but is now struck in safe mode-second gear. Subscribed 289 35K views 3 years ago this video is a test drive showing how to check the 2nd and 4th gearmore GM 4L60-E transmission The 4L60E (and similar 4L65E) is a series of automatic transmissions from General Motors. Rebuilt this for a family friend on a budget. I got the no 3rd gear problem. It has a 2500 stall converter and using a ez tcu to control it. P0751, P0753, P0756, P0758. Since the rebuil the trans has worked flawlessly. The computer shows that it is shifting into 3rd and you feel it shift Nov 24, 2016 · most of the time when its put in gear from park to drive or reverse there is a decently loud clunk. Jul 4, 2025 · Here are 3 symptoms of a failing 4L60E transmission and how to diagnose the problems: No Third Gear - You put the vehicle in drive, start off the transmission, and shift to second gear. Blocked hydraulic This video is for you to diagnose the problem with your 4L60 transmission when 3rd or 4th gear won't engage, we show the parts that typically are bad when yo 4L60E transmission 3rd gear repair Shift'n Gears Auto Repair 459 subscribers Subscribe Nov 16, 2012 · A converter can cause many issues, but causing the transmission to lose any specific gear is not one of them. Now, these trucks are getting older, and it's very likely that your 2003 Sierra may be having transmission problems. Low or contaminated fluid can lead to poor shifting performance Oct 17, 2023 · I rebuilt my first 4l60e and installed in a 1994 gmc k1500. But did you know you have choices? We give you the pros and cons between the 700R4 and the 4L60E. com Mar 30, 2018 · The 4L60E has been around for a while, and most builders have rebuilt so many of these they can do them in their sleep. 3L V8 and a 4L60E transmission. May 31, 2007 · R&R. 93 K1500 5. 11. Try not to run or drive the car or further damage could result. Jul 17, 2012 · My 4l60e recently started dropping out of overdrive randomly when warmed up. May 28, 2015 · 4th gear [OD] is normal driving with no towing or hauling . There could also be an issue with the direct clutch assembly, but it seems as though you would also have problems with 4th and reverse. Have you ever found yourself cruising smoothly when suddenly, your vehicle refuses to shift into 3rd or 4th gear? This perplexing issue with the 4L60E transmission can leave drivers feeling stranded and helpless. Need more info, no forced downshift can be cause be several things. The electronically-controlled “E” version of GM’s venerable 4L60-E automatic transmission was first released in 1992, and within a year it saw widespread incorporation across many GM RWD models. For all intensive purposes the 4L60E should behave as stock. I put a battery in it a week ago, tightened the cables. That solenoid must be energized for fluid to flow to the third clutch. Mar 19, 2013 · transmission no 4th gear no over drive Jump to Latest 30K views 15 replies 5 participants last post by 2. Starts out in second and shifts to third like normal in d or od. I add a touch of gas, it starts Jan 10, 2011 · Hi all, I have a 4L60E in my 1995 S10 4. Its not my fuel pump or filter as Apr 5, 2017 · Help with diagnosing and troubleshooting common 4L60E transmission problems, as well as troubleshooting them. Pull tranny fuse and you can upshift and down shift manually. Without overdrive, your vehicle turns into a time machine and takes you back to an Apr 5, 2020 · I recently acquired an M1123 with a rebuilt GM transmission dated 9/10. Classic Industries offers 1994 Chevrolet Blazer EFI Conversion Kits. 3 and 4l60e that wont shift into 2nd or 4th gear. Jun 11, 2014 · 4L60E no 1st or 4th gear (od) 1 reading Jump to Latest 23K views 7 replies 2 participants last post by 00silvyON Jun 13, 2014 1995 K1500 4L60e has no 1st gear in D or 1. I sent the computer and harness of to 150tunes. 3l 4l60e swap in it. 70 overdrive. Common problems include gear slippage, shifting difficulties, and fluid leaks, which can cause major headaches. but i do not have passing gear. 3 vortec and a 4l60e auto transmission and it only has 2 gears 2nd and 3rd when I bought the truck it only had 1st and 3rd and shifted between the 2 gears but I figured the transmission was bad and I swapped trans but now im still Jan 25, 2016 · Alright so today i lost the 3rd gear on my 4l60e. Mar 3, 2018 · One of the most common (and most frustrating) problems that happens to the 4L60E is when it loses 3rd and 4th gear at the same time. i will be buying a 94 from my neighbor in the next couple weeks and it does not shift out of low. The RPM's just rised but no up shifting. The car runs fine in 1st and 2nd and then freewheels like it's in neutral in 3rd. It shifts good into 2nd, 3rd, but when it shifts into 4th it slips and feels Apr 4, 2017 · Hello all. Having no reverse can be a tricky issue, especially if you happened to park against a wall. When I drive it, it seems like it stays in 2nd gear and never shifts up or down no matter what rpm I reach. 2 days ago drove the truck for about an hour and parked. I think my problem is electrical but I'm not sure I'm hoping it's a easy fix. The tranny fluid is full, clean and does not smell burnt. This list is merely a guide to the possible solutions. I assumed it was just toast but then read about the many May 24, 2023 · Newly-rebuilt 4L60E lost 3rd gear within 20 miles, sigh jamyers63 Nov 8, 2023 1 2 3 Next Apr 2, 2017 · Damn that sucks! Its a broken or sheared sunshell gear. Jul 8, 2017 · My understanding of a 4L60e is that "limp mode" is stuck in 2ns gear. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. So, what causes the no 3rd gear or 4th gear problem? Below are some common Need some help/Idea's I removed a running driving complete 5. Mar 9, 2022 · I have a 4WD 2002 Chevrolet Tahoe with a 5. Replace servo and seals. The 2nd servo is applied when oil pressure is directed to the area between the oring on the 2nd gear housing and the sealing rings on the servo piston. Ecu is reading 12v in park, and 12v in 1st. May 10, 2024 · I have a 1994 c1500 4L60E two wheel drive. I understand completely. Cleaned trans electrical connector, new VSS, new ignition switch, checked fuses under dash, no codes. It has always shifted great, never had any problems. 7/ 4L60E. Shifts back to 1st automatically when vehicle stops. Parked since September-ish because I was told the alternator was defective. Mar 6, 2012 · Need help finding out why passing gear dont work on a 4l60e transmission. i checked the 2-4 servo, no problems there. So I drove it home with regular driving and about 2 miles before I got home I barely heard a slight pop and lost all gears. Any chance its something simple/cheap? Apr 3, 2025 · Explore common Chevy 4L60E transmission problems, their causes, statistics, and recall campaigns to stay informed and proactive. I can shift it from 2nd to 3rd with the shifter and it will shift. the shifts are either fine or there is hesitation before changes gears harshly, this mostly happens from a 1-2 shift. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. using 3rd gear is for towing/hauling lots of steep grades etc why use 3rd gear with towing ??? because it reduces transmission temps !!! the tow /haul mode extends the shift points so the upshifting is delayed to a higher RPM. Don't think to much of it and move my truck Aug 10, 2013 · So iv got a 2000 chevy blazer 4x4 with a 4. My issue is this. . any Customer brought car in today that had a 5. i havent pulled anything in OD just in 3rd. Jun 5, 2011 · trans came in with a slipping torque converter and pump bushing and tailshaft bushing worn. One being shifting, 1st and second gear seem to shift without issue Mar 18, 2011 · What is a 4L60E Transmission? The 4L60-E is an automatic shift, four-speed overdrive, longitudinally positioned transmission. Most common is a hard shift from 1st to 2nd gear. With everything installed to spec I installed the unit to find no 2-3 shift at wot, and delayed 2-3 shift at part throttle. Transmission fluid plays a crucial role in the operation of the transmission, allowing gears to shift smoothly and providing proper lubrication to prevent wear. It has gradually started shifting hard and lost overdrive a while back. Aug 17, 2015 · After letting off the gas the converter locked and it went into the OD. The truck is immaculate as opposed to a few details. Low or burnt fluid can cause slipping and shifting issues. Also, Curt show Jun 15, 2023 · 30 Common 4L60E Transmission Problems & Repair | Charlotte NC - Twin Transmission Inc What is a 4L60E Transmission? The 4L60-E is an automatic shift, four-speed overdrive, longitudinally positioned transmission. It began slowly, when i noticed it was hesitant to upshift going up a hill, but after giving it a bit more throttle it eventually shifted. seperated pump and cleaned Jun 27, 2007 · The passing (kickdown) gear was not operational either. 700R4 4L60E Major cause of No 3rd and 4th Gear! 3rd accumulator check ball test. Don't think to much of it and move my truck Detailed 4L60E parts diagram with clear labels and descriptions. When I left no 1st or 4th gear. It’s just got a few critical Aug 30, 2020 · I say that because it's relatively unusual for the forward clutch to actually fail in these units while 3-4 failure is the reason for 95% of 4L60E and 700R4 rebuilds. Anybody have same problem? I have stock 4L60E transmission. Im Nov 22, 2024 · Hi everyone, I have a 2010 Sierra 4. The oil level was low ,so that got topped up. the band is not broken, checked it out and it tightens up on the drum when i push on it. 10. It will go shift back to overdrive but it will keep randomly Dec 31, 2018 · Hey all, so after a tranny fluid leak from the from mount tranny cooler I’ve now got no 3rd gear. Then, suddenly, I lost third and fourth gear. There was no slipping or other indication of a problem, and it Apr 14, 2014 · 6. Reinstalled transmission, and first gear does not Aug 27, 2012 · Hello people. My 97 Chevy Blazer 4. This worked for me, if you do it, then you do it a Oct 21, 2015 · The part of the servo that the pin is installed in is the 2nd gear servo, the piston in the cover is 4th. I have one in my truck. Oct 8, 2023 · Main Causes Why Your 4L60E Won’t Shift Into Overdrive The GM 4L60E automatic transmission is prone to issues shifting into overdrive (4th gear). It's mostly stock with a few upgraded internals / Sonnax goodies, top shelf clutches, onlything out of spec would be a 2600 stall converter. Of course they want to install one of their factory rebuilt transmissions for approx $2500. After five years, most of the issues with these trucks had been worked out. Installed everything only to find that there is no 2nd gear! UGGHH!! All other gears work beautifully! Any ideas fellas? Thank y’all! 😘 I build a 4L60E and 6. Gearing is what you are buying when you purchase a Gear Vendors Under/Overdrive. Speedo is off by about 10mph (faster) than actual. Other times it would slam into second gear so hard at 15mph it felt like the rear end was going to explode. I've replaced both shift Feb 21, 2025 · Explore common GMC 4L60E transmission problems, their causes, solutions, and important facts to keep your vehicle running smoothly. Aug 1, 2009 · I have 95 sierra. 8L 2wd 4L60E that is having problems. By understanding these issues, you Nov 1, 2006 · Uncover 2-3 shift flare causes on 4L60-E transmissions with current-draw testing, including the possibility of a faulty computer. Diagnosing transmision problems via the net isn't easy, with the computer controlled transmissions today a scan tool is a MUST HAVE item. so i went through the entire trans to clean it out. So - it's had a long life, I use it for going to hardware, dump, nursery, etc. I can manually shift to second on the column but 3rd gear on the column goes back to 1st gear. also found the 1-2 accumulator cracked with a broken spring. I am doing some maintance work and upgrades to the transmission because the fluid needed changing. Jun 25, 2012 · I have a 1994 Chevy K1500 5. I have a problem with my 4L60E transmission after install Dominator ECU. This leaves you driving around a car or truck that screams down the road. 2 is suddenly not shifting beyond 2nd gear. 3 motor/trans out of a 2000 Silverado 2wd. Ive replaced the solenoid with no luck as well as the ignition switch, transmission, and all the external sensors on the engine and trans. Aug 15, 2012 · I'm looking at buying a truck that has some tranny problems, it wont shift up past 2nd gear. Had the battery disconnect for about 5 hours while doing the job After everything was back together, re connected the batter and drove off. After doing some reading I decided to replace both shift solenoids and filter. Feb 1, 2020 · I have a 98 k1500 with a 4l60e and 164,000 on it. 18 mph 1-2 shift 28mph 2-3 shift 35-40 3-4 shift and lockup when at a steady speed in OD. The truck has reverse and first. On my way home, it gave up. This is a very simple upgrade anyone with a 4L60E should do! May 24, 2010 · Hey Guys, I just got done swapping on a new carb & intake on my SBC, on a drive down the highway this eve my trans just let go entirely I was cruising in 4th gear, I applied throttle to accelerate and the engine reved high. trans was rebuilt 12000 miles ago with all new raysbestos clutches, electronics, and even an aftermarket cooler half the size of my radiator. 7/4l60e Bought it with No 1st or 4th gear thinkingit was a solenoid,. It has been considered to be the best rendition of the finest overdrive automatic transmission ever produced. 3L won't shift in 4th gear anymore. Installed Jul 22, 2004 · Last month my 4L60E was acting real strange. I can ground the shift solenoid A wire to the body get get 1st back. I just bought a 1996 1500 z71 Truck was missing gears 3 and 4 when I bought it. Passing gear up shift may vary some bit 4700 rpm upshift 3-4 is not out of range. This is where actually knowing about the 4L60E helps. At first chance I stopped to check it out. Transfer case works well. Replace band. I have no 1st or 4th. Common causes include: Worn overdrive band – Friction material wears out, causing slippage and failure to engage OD. And only 2-3. Jan 11, 2022 · I’ve been searching for about a week, haven’t seen this exact issue anywhere else. 3 4L60E 200,000 miles. A cheap and easy fix if your 4L60E automatic trans is shifting hard or shifting late. Mar 25, 2012 · 4l60e will not shift into 3rd or 4th - Silverado 1500 Chevrolet Cars & Trucks Clicking this will make more experts see the question and we will remind you when it gets answered. I'm trying to determine May 14, 2025 · Rebuilt 4l60e transmission installed but still not engaging in any gears? 4l60e chevy 1500 mechanic tranmission Jump to Latest 331 views 2 replies 3 participants last post by NickTransmissions May 14, 2025 Jun 23, 2016 · Building the Ultimate 4L60E with Better Gear Ratios Geared Up: An all-out 4L60E built to hold 1,000 hp with performance-friendly gear ratios Normal upshift on normal take off. Took the vehicle to a tranny specialist yesterday.