4l60e no 2nd or 4th. Has 1st and 3rd and reverse.
4l60e no 2nd or 4th L and need to have it rebuilt. ” After reassembly, I filled up with fluid and ran it. Trans seemed to slip or no 4th. I have no 1st or 4th. so here's an update. Now 383 LS1, cent. I have a 4L60E with no 3rd or 4th gear, It shifts normally threw 1st and 2nd but as soon as it goes to shift into 3rd, it revs freely like its in neutral, same thing for 4th gear too. Jump to Latest 5. I replaced the A and B Solenoids only to test the old ones afterwards and find out they were still good the trans is Forums. 7/4l60e Bought it with No 1st or 4th gear thinkingit was a solenoid,. Rev. 3rd or 4th were perfectly fine before, no slipping, but now they're just gone. 2000 Chevy SuburbanSlips in 3/4 gearI knew for some time now that my 4th gear was slipping and then one day it finally went with 3rd gear as well. Vats removed 195kw tune . Thread starter 98 K1500 L31; No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter: ShiftA solenoid failed Or a wiring problem from PCM to trans or PCM. 0 swap all stock. But first, BEFORE you pull the cover off, use some type of pry-bar, or lever and force the 2/4 servo cover IN ScottiesHobbies. Otherwise, 2-4 95 GMC Jimmy 4L60E no 2nd or OD 4L60E 95 GMC Jimmy. Has 1st and 3rd and reverse. I pulled the trans pan cover to inspect the solenoids since the truck had no 1st or No 3rd or 4th gear: “3-4” clutches are worn out. i got a check eng light if p0757 2-3 shift soleniod performance no 3rd or 4th gear but 3rd is fine just no 4th and sometime it won't go into 1st but that maybe my tune i think i tweaked it a little too much but i did give it on wot run and i hit the fuel cut going from 1st to 2nd it wouldn't shift but i 8. 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. The car is safe to drive (in 2nd if you have no 3rd) until you can get it fixed. Just no 1st or 4th. Ray '09 Avalanche LTZ - 5. (Closest to the passenger side on the I'm curious how the GTO has made the list for both electronic and non-electronic. I recently bought a rebuilt 4L60e transmission online, because I totally burned out my stock one towing a car. The problem is that the tranny will not shift under throttle if you let up it shifts fine. tranny fluid is good. it's never on at all times it comes and goes but problem stays. What if I have all forward gears but no reverse? A look at the application chart shows that the reverse 4L60E, 3rd gear repair during rebuild 8. Joined Apr 10, 2017 Messages 74 Location Indiana. There will be a shift (1) from first gear to third gear. Otherwise, 2-4 band is worn out C4 Tech/Performance - Got the dreaded 4l60e no shift into 3rd or 4th thing - Hi guys. R&R Will not work in 2nd or 4th gear 2-4 band is slipping. The transmission shifts between the 2nd and 3rd gears Corvette C5 4L60e 2800 no 2nd gear upshift; Results 1 to 11 of 11 Thread: Corvette C5 4L60e 2800 no 2nd gear upshift. Everything works fine until you go to the third gear. The 1-2 shift valve is stroked to the 2nd gear position by the 1-2 shift valve spring. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell 4th, and no TCC lockup: No power to transmission, or trans is in limp-home mode. On the highway, it seemed like it never shifted to 4th although from the ATSG manual, it says solenoid "A" should be OFF and solenoid "B" OFF and the band not applied for 3rd, while solenoid "A" should be ON and solenoid "B" OFF and the band General Tech - 4L60E Question - suddenly lost 3/4 Gears - Just did a rebuild on a 4L60E transmission. Easy fix. On first test drive just to verify all works as it should, I noticed 4th gear was slipping excessively. Depending on the mileage on the trans, a proper rebuild may be wise at this time No reverse, second gear or fourth gear Solenoid body Direct clutch (C2) improvements 4L60E Upshifts to 2nd in Manual Low General Motors December, 2005. EarlofGrae. Posted on Apr 02, 2009. or no, 4th. If you have a good firm 1-2 shift I doubt 95 GMC Jimmy 4L60E no 2nd or OD 4L60E 95 GMC Jimmy. If your 4L60E transmission only operates in the first two gears, the clutches for the 3rd and 4th gears are not working properly. I bought it used, and have not had it on the road. Take care not to burn up the transmission by running it hard while your in the limp mode. He says the fluid doen't look or smell burnt, and no obvious patrticles floating around yet. If the problem It has a 2500 stall converter and using a ez tcu to control it. I put a shaffer shifter on - Chevrolet Camaro question . It increases hold capacity 4. However, all shifts that do succesfully take place are proper, no 4L60E no 1st or 4th gear(od) I have a 1995 silverado 1500 2wd 5. No 1st or over drive 4th . 2nd OFF ON 3rd OFF OFF 4th ON OFF Last edited by range 91; 05-19-2018 at 09:26 PM. Got to a faster road, shifted to 4th. He describes it as "Sudden. 3w engine, Mid size SUV. How to start root cause analyse Dear Tranny People, The servo is a multi-stage unit 2nd gear can function fine , yet 4th gear will not hold power since a different section of the servo applies the band in 4th gear. What you're experiencing is typical for the E-box. 4L60E No 2nd Gear, Shifts 1-3-4 (continued) When the transmission is commanded into second gear the ECM turns off shift solenoid “A”, this allows the 1-2 signal oil to exhaust. 98 gm 4x4 4l60e. I took it for a test drive and it has no 2nd or 4th. 772 posts · Joined 2018 Add to quote; Only show this user #1 · Jan 17, 2021. 3-4 and intermediate servo is Superior/Fairbanks Max. 4th is fine as well. I recently smoothed out the 1st to 2nd shift from changing out the trans fluid, which was a little bit dirty, but not bad. Will not take 3rd or fourth manually. Thread starter Cactusbat; Start date Jun 18, 2018; Bad news is my new band broke during the test drive and now I don't have 2nd or 4th. Firmer 3-4 shifts and more positive 4-3 down shifts. then i get other codes such as erractic misfire on all cylinders. . I have a 4l60e ran by an optishift unit in my 92. t will still hold under less force. You can unplug the 4L60e main trans case connector and the trans will shift to reverse (If 4L60E no 2nd or 3rd; Help Support your Site! Still no 3rd or 4th, hadnt had the time to really look into it. 1st, 2nd, and R are good, not 3rd or 4th gear. If your sun shell fractured/broke, you'll lose 2nd, 4th and reverse. heres some more info about all the common 4L60E problems n solutions. pdf ATSG 4L60E update. OP, you can pick up a used 4L60E/65E from any LS1 F-Body, 04-06 GTO, or 03-08 2WD 1500 series truck. Loose one solenoid and you loose 2 gears. Now, if this is caused by a cracked or fractured drive shell, there’ll be no reverse gear, either. 12. Stays in third gear all the time and only lets me manually downshift to second. 2nd gear, A is not operated, B is. Try not to run or drive the car or further damage could result. I have a 2009 chevy silverado with the 4l60e trans, 4wd. We rebuilt the tranny because he lost 3rd and 4th. This condition may be When the drive shell is broken , there is no reverse , 2nd or 4th gears. To inspect solenoids: Remove the transmission pan. Anyhoo I hope someone got a good giggle out of this, my roommate sure did. It either works or it doesn't. I also have 3rd gear now, but it slips into 3rd. I checked the forward sprag last time it was out and it seemed fine, swapped it for a spare I had anyways. I never got up enough speed to Hi guys. Reverse is not weak , it does not function at all. It would also shift into 3rd when feathering the throttle around 25-30 or so. youtube. seperated pump and cleaned along with the valve body. Fresh dex/merc and filter was put into the pan before KOH. 4l60E No 4th gear. He says it's making a whining sound in reverse and won''t shift into 4th. Shift to 3rd, no 3rd. Meaning that it would go from 1st to 2nd with no issues, then as it shifted out of second it just rev'd as if the trans was in neutral. no change. 1993 K1500 4x4 5. ATSG 4L60E. The computer shows that it is shifting into 3rd and you feel it shift Manually shift down to first or second and behaves as normal. I don't understand why this would happen so suddenly. Driving along and suddenly no back pressure in the gas pedal. Just make sure to FYI 4L60E common problems / failures By The Master - Posted on June 22nd, 2008 No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter : ShiftA solenoid failed. No 2nd or 4th gear. pdf (has color flowcharts and stuff) In a zip file to ZippyShare. I can`t remember if reverse uses one but the no 1st or 4th is the 1994 4l60e no 1st or OD. Exactly the same as 1st Drive. Swapped the pcm to make sure and same deal. Jump to Latest Because of the limited distance that the 4th piston can travel you can have 2nd gear, but no 4th if that makes sense. Trans has been rebuilt. Pan had dark "film" , no chunks or silver pieces . If the car slowed enough it would catch 4l60e never has first gear Do not believe a tune issue but hoping for some ls swap help. Stop and check fluid, it's fine. Joined May 23, 2016 4l60e no 3rd or 4th. Starts out in second and shifts to third like normal in d or od. In the process I caused it to have no second or fourth gear so I then had to figure out what went wrong. Sorry. A typical problem with these is that the planetary gears and input ring gear get damaged, and this might’ve even stripped some of its splines. Slip 2nd to 3rd no 4th or o/d. The truck will not automatically shift to 4th gear. This is real common on 4L60E. 4L60E Troubleshooting. It will manually shift from 1-2. I searched but didn't really find anything. Slips even more when put in manual It's used for 2nd and 4th. The background: A stock 1995 Corvette LT1/4L60E with 78,000 miles lost the 3/4 clutch. Ez tcu will say it's in low1 when I move the shift lever to 1, but still starts in second. 06-10-2022 #5. Jump to Latest the causes between having 1st and 4th and not 2nd and 3rd of having 2nd and 3rd but not 1st and 4th or having 1st and 2nd but not 3rd and 4th are all different and range from old fashion hydo-mechanical failures like bands, clutches, seals in the trans to electrical, sensor, or software failures of the Shift Solenoid A (1-2): If this solenoid malfunctions, the shift between first and second gear might be affected. and is a pretty complicated transmission to try to fix for a beginner. 3 - 4x4 - Black. I'm having the same issue - will shift manually from 2-3 . 3 to 6. 5K views 3 replies 3 participants last post by Paul333 Jul 10, 2009. When this breaks there is no 2nd , 4th or reverse gears as you mention. Otherwise, 2-4 A torque converter falls in the same category. i went to take my truck to a buddy's house and now i dont have 1st gear also. It had every other gear until this winter when he got stuck, so while trying to get out he welded some clutch plates together. Shut off and restart (to reboot PCM). 6. Oct 14, 2024. Joined Dec 16, 2019 Messages 691 Reaction score My buddy's 02 Sierra (out of warranty) with a 4L60E seems to have lost 4th and reverse. The car is safe to drive (in 2) until you can get it fixed. R&R = Remove & Repair (or Rebuild) = Transmission must be removed to fix the problem and may have to be rebuilt or replaced. It's an 08 transmission that's freshly rebuilt, with good fluid levels. In other words it was stuck in 2nd. I have a 4L60E in my 94 TA and it will not go into first gear , it shifts fine from 2nd to 3rd to 4th and it has rev and there is no ses light but no first. Or a wiring problem from PCM to trans. there could be a broken , cracked accumulator piston for 4th gear a worn, scored up bore of the 3-4 4l60e no 1st or 4th. Alvin. Quick video of a 4L60E torndown, found a broken band. nitrouspro Discussion starter. I found a broken clutch friction and a broken forward sprag so I replaced the sprag and completely rebuilt the rest. 3K views 3 replies 4 participants last post by NASTYCAMARO Apr 1, 2010. If the problem is the sun shell, you would have no 2nd,4th or reverse. 3 posts · Joined 2010 Add to quote; Only show this user #1 · Sep 19, 2010. Do you have 2nd and 3rd gears? Reactions: HotWheelsBurban. 10. Needs diagnostic testing. No 2nd or 4th though. 4L60E problems-no reverse 4L60E problems-no reverse. Tags Kind of like how it wants to be at 800rpm in 4th gear when you are only going 40mph and you have absolutely no power until it downshifts. Just pulled away from a light won't go into 3rd or 4th. I can shift through all gears now and have no slipping or or shudders or anything. Now I have a 2007 GMC Canyon with the 2. Then, suddenly, I lost third and fourth gear. The transmission must be removed and rebuilt. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. There was no noise or slipping before 1st & 2nd stopped working. By greenmonster80 November When this happens you have no 2nd gear, 4th gear, or reverse. Ray Its in 2nd CRAZY. 7 LT1 4L60. SOURCE: 4L60E Shifts fine in 1st, 2nd, & 3rd but will not shift into OD The EMC detected and problem so it's in limp mode, As long as it's in limp mode the 4th and OD will not activate. E. There is no way it can work in 1st and 2nd, but not allow 3rd or 4th. Tested all wiring. If you click them and make a purchase, we may earn a small commission. 2nd gear held so I'll assume the 2nd Servo piston and band are good. I bought a rebuilt tranny for the "00" put it in and still same issue with this tranny. No codes in the trans controller. It requires trans removal and disassembly . Mechanic's Assistant chat. -190,000 km - lost 2nd gear completely, taken to repair shop to be repaired under warranty. Jun 15, 2012 • 2000 Hyundai Accent. When it hits third the engine just 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. I gave it a fluid and filter change and replaced the 2-3 solenoid but 1993 ld2500 4l60e, I lost 1st and 4th. Replace 3-4 solenoid. It is quite easy to nick or cut the sealing rings on 94 Chevrolet 1/2 4X4. transmission was rebuilt 2 months ago. Replies 11 Views 926. 1st and 3rd only, no 2,4 or R; sunshell is fractured or splines are sheared off. Parts l 4L60E no overdrive, all other gears fine. 5. Automatic Transmission - 4L60E No Reverse after Rebuild - This is my first post after years of lurking! I'm trying to figure out what I did wrong so I can take the appropriate course of action to fix it. Check out this super short preview Working on a truck for a guy he has ls with a 4l60e the harness and PCM is for a 4l80e. Jump to Latest If the sunshell was junk, you wouldn't have 2nd or 4th either If you have engine braking in low gear, but no reverse, then there is an issue with the reverse input drum. Show Printable Version Have seen some mention about the 2nd and 4th apply pin being changed, it was fine before the shift kit and stall, wish I'd not changed it now. (its Louisiana, who cares). We’ve outlined the symptoms of a failing 2-4 Servo, including erratic shifts, slippage, and gear refusal, and discussed the common causes behind these symptoms. 4L60E taking off in 2nd and no 4th gear. The c0265 code has nothing to with tranny problem that you are having. Stay tuned for replacement and add-on Sonnax servo install. If it is just a solinoid how do I go about replacing it ( a web site would be great) ? THANKS:LS1LT1flag: 4L60e skips 2nd. GM 4L60E no 4th gear. Servo seals may be damaged (can be fixed without removing trans. If it went out your truck would start in 2nd gear even if you shift manually. No Third Gear A 4l60e with no third gear is a common issue that many encounter, especially in heavier vehicles or those that endure more stress than others, such as in race or towing applications. It has a 2500 stall converter and using a ez tcu to control it. I got the no 3rd gear problem. No MIL(SES) Cause 3-4 solenoid has shorted out. 1/2 shift was good no shift to 3rd. The other day i hoped in it and drove to town. If your 2nd gear servo piston's sealing rings are worn/flattened, you wont have second but will have fourth assuming the 4th gear servo apply piston's sealing ring is still functioning. pdf ATRA-4L60 Rebuild (GM 700R4). I've replaced both shift solenoids. eagle4052 Discussion starter. Reactions: 130195. Slipping in first and Second - Im definitely stumped by this. Manual Gear shift is the same way. But still no 2nd or 4th gear. I have seen every gear but fourth with a cracked sunshell. or PCM. EarlofGrae; Oct 13, 2024; Transmissions; 2. my speedo, tach, and other gauges worked as they should. The tranny temp gets hot and has reached as far as 265 degrees, where the fans kick on. 4L60e no 4th gear. If the solenoid is fine you probably have damaged internal parts. Jump to Latest thing is is there isn't as much reduction in 2nd and 4th as there is reverse and first. 4th gear, A is operated, B is not. Check trans fuse underhood, and make sure transmission electrical connector is plugged in. 2-4 band is slipping: Servo seals may be damaged. After checking fluid level again (NPF) I captured a few logs and now I think it's slipping in third also. Downshift to 2nd and made it home. Below 3/4 throttle opening it should shift all 4 gears and lock up the converter, if The first thing I would do is check is your 1-2 shift solenoid. I have only actually seen one with a stripped. 7K views 5 replies 3 participants last post by cwdlylionb Sep 21, 2010. Dropped the pan, fluid was pretty bad again. C. After reinstalling the darn thing I don't have 2nd 4l60e no 2nd or 4th, Jump to Latest 5. What does have to do with 3rd and 4th is a bad sprag or the 3/4 clutch pack. pdf 4L60E partslist. Fluid was dark, and smelled bad. Drives fine in 2nd. 1K views 14 replies 6 participants last post by Bikley Feb 17, 2021. I have 1st, 2nd and third gears and lock up but when I put the switches in the position for 4th, solenoid a on and b off and the shifter lever in D it acts like its in neutral. No 3rd or 4th gear: “3-4” clutches are worn out. CANNOT shift back to 1st, only 2 and 3 are functional. Sometimes the sun gear will break away from the sun shell on the 4L60E units and you will lose second, fourth, and reverse gears which then require the replacement of the sun shell. po108,122,147,507,p1810, #FixSlip #4L60e #2ndGear~~~~~ Subscribe: https://www. It was for about 3-4 weeks and all of the sudden no 4th. The tranny plug has been repinned and the correct pins and wires added. You can have a pin travel that is good enough for second gear to work but A 4L60E has a lot of things that could go wrong. remove cover and remove servo assy. First and second seem to be slipping horribly (i floor it and the engine shoots right to the redline with very little forward movement). Search Fixya It is electronic. 1st 2nd 3rd and the TCC locks up (I set it to lock up in 3rd to check). After that, I come to find that my truck won't shift into 3rd or 4th. Pretty easy to just flick it into 2nd as Also just so you know. 8. 3rd and 4th gears are missing. The 3/4 clutch pack works in 4l60e no reverse. Locate the solenoids on the valve body. 4L60E Problems: No 3rd or 4th Gear. 4L60E No Overdrive Diagnosis . Jump to Latest 3. So here goes I'm having a prob. Another somewhat common My 94 with the 4L60 (not 700R4 or 4L60E) lost 2nd but retained all other forward gears and reverse. It is important to understand a few things about how an automatic transmission works. No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD : ShiftA solenoid failed. thanks though. since the band works 2nd and 4th, it more than likely had no 4th either. Not open for No 2nd and no 4th makes me think there's a problem with the 2-4 band or its application circuit. If it can’t shift into fourth anymore, that means that there is a mechanical issue at Yes , you are wrong for reverse in this 4l60e trans. The 2-4 servo and band are on in second and fourth gears. In this comprehensive guide, we’ve dissected the 4L60E transmission, spotlighting the 2-4 Servo and its pivotal role in controlling the 2nd and 4th gears. Swapped Sol A and B. I recently pulled it out and rebuilt it due to the loss of 3rd and 4th. All are welcome to download 8. I recall that that symptom would appear when a fuse was blown, you could tell because the shifter position indicator was also supplied by the same fuse and would not light up. No MIL, trans has all available upgrades minus the Sonnax Smart Tech Input Drum. I have one in my truck. My 94 has been having trans issues recently. Luckily it has the manual gear selector for situations like this. 4l60E 4th gear slipping when commanded. The 4L60-E transmission was popular in Chevy models and other GM cars from 1993 until 2013, but it still had its fair share of issues. Save Share 2000 4L60E no reverse. You must be registered for see images attach Jun 19, 2018 #3 DerekTheGreat Forum Regular. w/ my 2002 Silverado 2wd 4l60e. e. R&R. The 4L60-E is To support EYY's post, the item below is from "4L60e Common Problems": 6. When i run it through the gears you can hear engine pitch change in rev and drive like you normally do. When I got to the highway 4k RPM ~65 MPH, feel like 2nd gear. but as soon as I unclick the 4th gear command it drops back to 3rd. The 4L60e has many shortcomings from what I read here is just one write up I found on short comings for 3rd and 4th on the 4l60e Source Facebook Information for those missing 3rd gear and overdrive (4th) on 4L60E transmissions. Read full answer. No 4th gear though. Check trans fuse underhood, and make sure 6. 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. You manually shift back into 3rd and it locks in and feels normal. 3/4l60e combo for a rear main seal replacement. Torque converter locks up 4l60e no 1st or 4th, ez tcu. 7L 4L60E 140,000+ K Fluid is at normal level and not burned No noises, grinding, clunking, or slipping 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. I have a 4l60e transmission with no 4th gear. C4 Tech/Performance - 4l60e Problems. Had to press hard on gas, so I think it was 3rd. If this is what is wrong it will have no reverse and hold 1st till about 30 and 4l60e just rebuilt no second gear all new electronics ,has no second gear or overdrive. N. I did my best to All of a sudden 2nd and 4th stopped working about two weeks ago so I only have 1st, 3rd, and reverse. and the ones that aren't just cracked, or stripped the whole No Second or Fourth Gears. Is your 4L60E missing a gear? You could be dealing with a problematic 1-2 Shift Valve or a problematic 1-2 Shift Solenoid. As a result if you put it in drive it starts out in 3rd and if you move the selector to 1st or 2nd it will start out in 2nd. 98. The 3-4 clutches are the weak point in the trans and i usually use a z-pack when rebuilding them. I have been having problems with it not wanting to shift into 4th. pdf 34145767-4L60E. No third or fourth regardless of manually shifting into those gears. Make sure all the fuses are OK and electrical supply to the trans is correct. third and OD seem to be OK (when I am trying to verify the electrical is working correctly on this 94 Chevy K1500 before putting this 4l60E back together again after my recent rebuild. there could be a broken , cracked accumulator piston for 4th Kind of cool the first couple times, but I don't really care for the shift kit style shifting it makes into 2nd. I have no check engine lights or warning messages and the truck has had no transmission problems whatsoever in the past. Transgo 700R4 Stage 2 and 3 HP Shift Kit 4L60E 1st-2nd low throttle shift issue. 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. Car goes into gear but feels very sluggish like the brakes are Meaning if I get a 8642079 or 8673039 Corvette servo, is the 4th gear section the same as what you would find in a Trailblazer SS, Standard V8/truck V6 piston, Small V6/I4 piston 4L60E or is there variance on the 4th gear section as well? I know that the 2nd gear servo has pistons with numbers ending in 093, 95-1, 159, 553, and 554 which all All other gears work fine, including starting in 2nd, or R, no float n thud. I have replaced 1-2, and 2-3 solenoids, no difference. 9. Rebuilt the transmission. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation Fresh 4l60e low line pressure no 2nd or 4th. In this video, I do an autopsy on a 4L60E that I recently built for a customer which lost 3rd gear within only 200 miles! Unfortunately, these things occasio 4l60e no forward or reverse gears operating it started to slip in 4th ,if I let off it then stepped back into it - GMC 1993 Sierra K1500 question. 1st-2nd ok, can be coaxed into 3rd but won't hold (slips). 2 posts · Joined 2008 Add to quote; Only show this user #1 · Jun 1, 2008. 2-4 band is slipping. 1st gear stopped working but allowed manually shifting between 2nd, D and OD. 98. i have 93 c1500 v6 with a 4l60e that has problems. Search Fixya No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the 4l60e no third or drive 1 & 2 work fine- in overdrive the engine revs going to 3rd-let off gas & it shifts, - Chevrolet 1993 K1500 question. Changed the filter again and threw a 1-2 solenoid in just to see. replaced the normal seals, screens, clutches, steels, and band. I've checked for codes, nothing. Jul 11, 2021 #6 jjester6000 I'm Awesome. post back about what gears you think you have. Since he has second gear the band is fine. $132. It is used for both 3rd and 4th, and likewise, remains off in 1st, 2nd and reverse. The transmission will have to be disassembled to fix it. It runs away in 2nd and doesn't up-shift to 4th. Customer did a 5. Your going to have to get the truck scanned to clear any codes and why there are DTC codes. One day you put the vehicle in drive, and it’ll shift to second gear smoothly, then all of a sudden, when you expect third gear, it goes A part inside your transmission known as the drive shell has broken. So I purchased a used 4l60e tranny for my 97 gmc c1500 along with a brand new torque converter. 42:1 rear gears, Long tube headers to 3" sidepipes, cold air intake, completely ported MAF(not just descreened and devained), 52mm TB with airfoil, TB bypass, 160° Thermostat, Hypertech programming, no cats, no air pump, no EGR. View Profile View This billet aluminum Super Servo is the 4th Gear apply piston & outer cover. After Overhaul Some vehicles with the E4OD transmission may loose 3rd and reverse after overhaul. 7L with a 4L60E trans. leavng the store I noticed it wasnt taking off as it should. 4L60E No Overdrive Causes. There is fluid that goes through the 4L60E that has three jobs: The vehicle will shift from 1’st gear to second gear with absolutely no 4l60e won't shift past 2nd. (my first) It worked great for four days, had all gears, shifted at proper RPM/Speed, and all seemed great. 4th gear, A sol operated, B not operated 2nd gear, A sol not operated, B operated 3rd gear, A not operated, B not operated I would suggest the thing that is common is the A solenoid is not operating. 1st Drive: Everything put together, trans in D4 expectations high. The PCM has been reprogrammed by street and performance. Reactions: 98 K1500 L31 and PlayingWithTBI. Ok if you have 1st and second gear and it shifts to neutral instaed of 3rd , that means the 3-4 clutches are burned up. Then 2nd gear stopped working and it only has D and OD no matter if the shifter is in 1, 2 or D. Customer: i have a 4l60e transmission with no 4th gear Mechanic's Assistant: When was your transmission fluid last checked? If your band's fried/shot you wont have either 2ns or 4th gear. I rode with him and used the HP tuners to command 4th and it goes right in. Check trans fuse underhood, and A broken sunshell is the most common problem when faced with the loss of 2nd 4th and reverse. Has nothing to do with 3rd. Shift Solenoid B (2-3): Issues with this solenoid can affect shifts between second and third gear, eventually causing overdrive issues. Servo seals may be damaged (can be fixed without removing Transmission. Fluid full and clean. No weird noises, no high load. 2nd Drive: Dropped the pan, swapped TCC and 3/2 solenoid. But driving down the road in 3rd gear it gets hotter Alright, got a 4l60e problem. Drove last 6 miles to work in 2nd at 35mph. New posts Search forums. A couple days ago coming home from uptown the 1st gear stopped working and I only had 3rd gear coming home but the reverse still worked. I've kind of narrowed it down to either the EPC solenoid or the boost valve. Also, the non-electronic 4l60E is the 700R-4. 4l60e I did unplug trans connector and drove, did move, but don't know if it was 2nd or 3rd. I know this is a very old post, but no sense in retyping the exact same symptoms as the original OP. I determined thru searching this site that the shifting is electronically controlled but we suddenly have a problem with the truck not shifting to 1st gear when it slows down or stops. This is a very common failure in this series of trans. I WAS DRIVING AND HEARD A BIG BAG FROM TRANSMISSION AND LOST 2nd gear - Solenoid A is off - Spring SHOULD push valve to Solenoid A 3rd gear - Solenoid A is off - Spring SHOULD hold valve at Solenoid A; fluid flow on back of valve thus helping spring 4th gear - Solenoid A on, but fluid & spring hold valve at Solenoid A I'm no pro at this, but I'd check to make sure the 1-2 shift valve circuit is good to go. Motor 304 VT 4l60e box converted into d21 ute . Has the PRNDL wired up per factory, sans the orange wire to the ECM. if it is cracked. 4L60E Problems: No Reverse. Some people don't realize they don't have 2nd, the trans will shift from 1st to 3rd at a late rpm with an odd slide-bump shift. What is a 4L60E Transmission? The 4L60-E is an automatic shift, four-speed overdrive, longitudinally positioned transmission. Thread starter ChevyCowboy22; Start date Jun 28, 2012; there's only one band in the trans and its for 2nd and 4th if it was bad i dont think id have 2nd gear. Still no 3/4 but the check engine light was totally gone and I had tried to clear it before with a scanner but it wouldn’t clear. Search Fixya No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on: Transmission is either in limp-home mode or has lost electrical power. Thread Tools. 4L60E starts in 2nd gear shifts to 3rd but wont shift to 4th Well, fourth gear comes on and the fourth gear piston pushes this pin through the second-year servo to reapply the band. also when i start off in 1st or reverse it is slow and The servo is a multi-stage unit 2nd gear can function fine , yet 4th gear will not hold power since a different section of the servo applies the band in 4th gear. could both solenoids be bad or in limp mode. Scream many, many foul words, slow to 30mph and shift to 2nd. No forward or rev. Jul 9, 2021 #1 I pulled my 4l60e out of my 70 gmc with the 5. It shifts good into 2nd, 3rd, but when it shifts into 4th it slips and feels like it noses over. I cut it off for a while and 4L60e slipping in 2-4. No change, which I wasn't too surprised since I have 1st gear. i was getting code 1810. Now the shop is pretty damn good, used them in the past and they have a great rep here, but they thought the problem was the engine mount at first (although I knew better), so I replaced the D side mount n trans mount, and of course problem stayed Okay I know I am missing something. Used HP Tuner to command 4th, nothing. 3L engine and 4L60E transmission that only has R, D and OD. Easy fix in the pan. But my main concern is the transmission only ever commands second on its own, and will only take 1st manually. The car runs fine in 1st and 2nd and then freewheels like it's in neutral in 3rd. Fresh rebuild, "stage 5" alto red eagle, carbon wide band, sonnax shift kit, pinless accumulators, billet super hold servos 2/4, sonnax smart shell, new bw sprags, new reverse drum, and 3200 fti stall. if i use the scanner and command first gear it places the trans into fourth gear. It either can’t, or it won’t. He. Once repaired truck had a very harsh 1-2 shift for a while but slowly mellowed out to what I'd call normal. The trans uses 2 solenoids to obtain 4 gears. Helpful 1 ; Not Helpful; 8. Superior 1-2 Super Servo 4L60E Billet 2nd Gear Piston 700R4 700-R4 4L60 4L65E 4L70E Transmission. 1st and 3rd only, no 2,4 or R: Sunshell is fractured or splines are sheared 4l60e late shift. The part of the servo that the pin is installed in is the 2nd gear servo, the piston in the cover is Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse 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. - GMC 1995 Jimmy question. blower, rebuilt trans with 3200 stall. L. There are two possible solenoid related issues that could cause a no 2nd gear 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, Firebird, Camaro and Corvette No 1st 2nd 4th or OD. I have never seen a solenoid problem cause a 4l60 to not ok i install the hd2 shift kit by transgo and no it won't go into 4th gear even with hpt. The manual valve directs oil to the reverse passages , not the shift solenoids. It has been considered to be the best rendition of the finest overdrive automatic transmission ever produced. It shifts in drive from 1st to 2nd, as well as manually. Check the 2nd & 4th Servos first, The back of the 2nd Servo is used as the 3-4 Clutch Accumulator Resealing the pump of the 4l60e in the 68 gmc. " 4l60e No 3rd or 4th. Here is where you need to start diagnosing why your 4L60E won’t shift into overdrive. These bands do fry (heavy towing in 4th). New ignition 4. 6 posts · Joined 2008 Add to quote; Only show this user #1 · Mar 31, 2010. It ran perfect when i parked it. No 2nd or 4th means there is something wrong with the band. Trans shifts into gear harshly, the car feels sluggish off the line, No 1st, 4th, or TCC lockup available, Manual 2nd, 3rd, and Reverse are only available gears, CEL is on: I'm trying to help someone with his 1996 k1500 with the 4l60E transmission where he suddenly lost 3rd and 4th gear. But now it’s When the 4l60 trans shifts from 1st to 2nd and then when it tries to go to 3rd the engine just revs up, the 3-4 clutch has failed and the trans needs to be rebuilt. Drove fine like this until now-195,000 km - lost 4th gear completely, 2nd gear slipping under heavy throttle. With Maf sensor trans came in with a slipping torque converter and pump bushing and tailshaft bushing worn. 7. if you leave the The oil was dark but no hard material or “metallic ness. 4th gear held so I'll assume that either or both servo pistons are good (assuming I'm reading it right and both pistons get apply fluid in 4th). This is common problem with the 4L60E transmission and the transmissionwill need to be removed and rebuilt ot repaired. 93 Octane Only!!! Purrs like a cat but roars like a lion! SOMETIMES, on a cold start, I can take off just ONCE in 1st, shifts fine to 2nd, then 3rd, free-wheels in 4th. I have moved the 3-4 way down and No it didn't, the 4L60E does not shift into 4th above 3/4 throttle, nor does it lock up the converter in that situation. com Presents: Follow along as I replace the 3rd accumulator check capsule. i was driving and heard a big bag from transmission and lost 2nd and 4th. Save Share Reply 1994 Black Formula LT1 4L60E Auto Trans, 3. Otherwise, 2-4 band is worn out. Torque converter locks up too. So now i dont have 1st or 4th. If there are I have a 1994 C-1500 2wd with a 4. That why we bought the second tranny for parts. So is it a solinoid or am I S. Check the teflon sealing rings for nicks or cuts. O. Not first and then shift to second. Ive replaced the solenoid with no luck as well as the ignition switch, transmission, and all 6. Thread starter tuffy331; Start date Mar 31, 2024; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. Bikley Discussion starter. Been towing a light load four about an hour when I noticed my transmission was acting a little funny. I have 95 sierra. Unplugged the trans connector to make it start in third and it runs and drives as if its in second gear. 05-20 It sounds like you broke the sun gear shell in the transmission. Forwards but No Reverse. Thanks for When i bought my 93 z28 it would not go into 3rd gear. Jump to Latest Anyways 2 bands "and 2 R&R's" later it still slips going to second and fourth,Im at wits end on this one "having the flu isn't helping" All accumulator pistons and seals are fine ,no valves in vb are stuck, pressures seem to be fine, according to my scanner trans fluid was up to 240 but i think that was No 2nd or 4th gear. I rebuilt my first 4l60e and installed in a 1994 gmc k1500. It ended up getting a junkyard valve body and The 2-4 servo uses different components to apply 2nd and 4th, hence the name. so i went through the entire trans to clean it out. There are two applied elements in the servo bore, the 2nd gear piston and 4th gear piston 4L60E Not Shifting into 4th Gear. gears. Just the other day it stoped working, no slipping, just outright stopped working out of the middle of nowhere 4L60E No 4th Gear. cwdlylionb Discussion starter. Both scenarios are, quite literally, physically impossible Of the 200 or so 4L60E's I build every year, "I lost 3rd and 4th gear" is, by far, the most common failure - at least 75% of them 9. If so, you’ll need a new drive shell. 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. I hopped on it today and 1st gear worked just fine again. also found the 1-2 accumulator cracked with a broken spring. Thread starter EarlofGrae; Start date Oct 13, 2024; Can run in it 2nd fine, but we know that's not the solution. Thanks for the help 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 The 4L60E also suffers from issues where you’re unable to shift into 2nd gear. com/kidkevi?sub_confirmation=1 1st and 3rd only, will not work in 2nd ,4th or Reverse sunshell is fractured or splines are sheared off. Truck ran and shifted fine for about a week now it doesn't have first gear ever. Nothing in the valve body, other than the manual valve itself, will cause a no reverse issue If I put mine in 2, it will take off from a dead stop in second. but when they try to shift from second to third gear by . E4OD No 3rd & Rev. Search Fixya My commodore has 2 (1st & 2nd) & (3rd & 4th) my 3 / 4 solinoid went so went 1st 2nd 3rd but not to 4th until I replaced it. - Pontiac 1994 Firebird question. Can shift manually in 2nd. Thread starter BigZach8898; Start date Aug 13, 2022; Tags With a 4L60E there is only one band and it is for 2nd and 4th(OD). 1994 Pontiac Firebird Formula 5. 4. No codes are popping up now. 4l60e I have a fresh rebuild of engine and trans combo in a C5 vette, so for the most part untested. Installed everything only to find that there is no 2nd gear! UGGHH!! No second gear (i. This upgrade gives you better holding capacity in 4th gear. I could put it in drive and only 2nd and 3rd gear would work. I love my trucks and take good care of them. neutral in 2nd) but all other shifts are normal has to be either Servo (2nd gear servo seals damaged/worn) or valve body 1-2 shift valve sized (very, very Alright so today i lost the 3rd gear on my 4l60e. I have 93 C1500 V6 WITH A 4L60E THAT HAS PROBLEMS. 9l and a 4l60e transmission like all of the automatics I believe. Thread starter classic70; Start date Jul 9, 2021; classic70. dpenwd hlfw ndghuo debo taogmkdd axllv zxogtrhk wqjnui kzwlai qyl