The truck has 115,000 miles. A P0716 and/or P0717 DTC may be set. Using the three switch positions as follows: center off position -- never locked; down position -- automatically locks going into 4th and unlocks on the 4-3 shift; and up position -- manually locked in 2nd, 3rd or 4th. Otherwise, 2-4 band is worn out. I have 1st, 3rd, 4th and reverse. 2-4 band is slipping. The 4L60E is not easily swapped with the 4L60, as the 4L60E depends on a powertrain control module (pcm) to shift. Electronic Control Transmission (ECT) The Electronic Control Transmission is an automatic transmission which uses modern electronic control technologies to control the transmission. The 10-vane billet pump rotor, and the 5-pinion front & rear planetaries. 1996 4L60/80E, 1-2 Slip/Flare, No 3rd or 4th, erratic line pressure and/or poor line rise, shudder on take-off, sometimes accompanied by Code P1870. Model Year Engine Trans Type Transmission; Astro: 1989-1992 : TH700-R4/4L60: Astro: 1993 - Up : 4L60-E: Astro Van, Safari : 1995-06: V6 4. The name only changed to better identify the transmission. The mechanical connection of the clutch takes away the natural. My friend has a 1996 K1500 with a 4L60E. The good news is that either way, you win. It shifts great cruising and even half throttle all that good stuff goes in 3rd all the time. Scotties Hobbies 19,430 views. Introduced in 1992, this was a replacement to the 700R4. The 2000 Chevrolet Silverado has 2 problems reported for shifting problem with 2nd to 3rd gear. I have a shimmy/vibration in. yesterday no shift for 1 mile pull over unplugged harness at trans 2nd with shifter in 1st or 2nd and 3rd in 3rd or D just as it should be again not in transmission?. No 2nd or 4th gear. Will the 411 pcm work properly with the 1997 4l60e trans I have a 97 k1500 l31 4l60e setup with jet dst but no data logging capabilities. Transmission repairs can be very costly so be sure to completely diagnose and be sure of the symptoms of your problem before you take your car in for a transmission service. After dealing with hundreds of 4L60e's at my shop, I needed a solution to teach my new techs about the 4L60e and find additional solutions to problems I couldn't understand. My motor turns on at 3500 rpm and I like to shift at 7000 rpm for first to second and 6500 rpm for second to third. Transmission wont change to 3rd gear or over drive in 96 Chevy Tahoe? You MUST get a 96 or 97 4L60E V-8 truck transmission and put it in your Tahoe. 2-4 band is slipping: Servo seals may be damaged. Problem Symptoms Possible repair. Sorry it's not a particularly encouraging thought. How to Rebuild a 1997-2003 4t650e-HD Transmission: This instructable is for people who do not want to pay the mechanic shops several thousand dollars to rebuild the transmission in their cars. The 4L60E requires a computer that can control the shift points, throttle position sensor, tach signal, coolant temperature sensor, VSS, and wiring harness, most of which is already. Your automatic transmission slipping could also be due to a dirty filter. If no code appears in "3" but 68 appears when 4th is used the problem is slipping 4th clutch. Long story short, i was cruising at 60Ks or so and booted it, the box dropped down to 2nd gear and then instantly hit limiter and just sat there bouncing off it, and not going into 3rd, at which point i manually put it into 3. 3 want to sell 1989 s10 ls2,tsp torquer v3 cam,fast 102 intake,fast 102 tb,built 4l65e 4k stall,cpw long tubes,one piece drive shaft swap,billet specilties street lite drag wheels,ford 9in rear. GM Transmission Rebuild Upgrade Hard Spline New Sun Drive Shell 700R4 4L60 4L60E 3rd & UPGRADED: $39. There are many little fine intricacies that comprise this small microcosm. Servo seals may be damaged (can be fixed without removing trans. Otherwise, 2-4 band is worn out. On an hour drive back from my parents house my 3rd and 4th gears started slipping a little when accelerating, and over the next 20 miles completely let go until going 60 required 4k rpms and I had to limp her home at 40 in 2nd gear (only bright side of ATL traffic, wasn't going much slower than others). Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. No 2nd or 4th gear. This again is much like the 1st to 2nd shift servo replacement with the same purpose and again you can either replace it with a Corvette servo or purchase an after market servo designed to do the same thing. Bad Sprag 4L60 E Sprag. 1st and 3rd only, no 2,4 or R: Sunshell is fractured or splines are sheared off. - 2 - 700r4 transmissions from a 1992 GMC 4X4 both need rebuilds ( cores) slips in 3rd $100. Any advice out there for considering putting 1991 700R4 behind a 1968 GMC 292 six cylinder. 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. A transmission rebuild kit can provide the items needed, saving you time and energy by preventing the need to buy them separately. Just second gear. 000klms before doing the same thing. Transmission must be removed and rebuilt. The truck would slip into 3rd and 4th gears. Official LT1/4l60E to LS2/4L60E Swap (Instruction + Pix) We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. There is a forth gear. TCI 2nd & 4th Gear Jumbo Servo Kits will enhance the shift quality and extend durability of any 700R4/4L60E/4L65E transmission. Or you can jump up a level, installing. Smooth changes, no noise, just right. 7L Vortec V8 under the hood and the 4L60E transmission. Try not to run or drive the car or further damage could result. As the owner of a vehicle, the only thing you can do to diagnose why you have a slipping transmission is to check the transmission fluid level and condition. Also have no reverse. The common link for both 3rd and 4th is the 3/4 clutches. The 4L60E/4L65E/4L70E automatic transmission may experience a condition of slipping, late or missed shifts in 2nd 3rd and 4th. Chevy Colorado and GMC Canyon Transmission Problems when he's driving slips into neutral from drive then makes a revving noise. GM 4L60E transmission Specs. Keep in mind that 1980 and 1981 non-turbo diesel automatics may not shift into 4th gear when vacuum is lost to the modulator. All 1996 Chevrolet and GMC C/K, S/T, M/L, G/P Models must have the harness updated per GM Service Bulletin 667103A. GM Transmission Rebuild Upgrade Hard Spline New Sun Drive Shell 700R4 4L60 4L60E 3rd & UPGRADED: $39. 98 4x4 Suburban w/4L60E 175k miles The transmission slips when starting from a stop with the gear selector in 3rd or 4th. you can determine which with simple test: drive forward and shift up to say 2nd or 3rd gear, not above 20mph max! take foot off accelerator and pull shifter into. But when warm it slip in 3rd and go into limp mode and default to 2nd gear. 4L60E with a slipping 3rd gear Chris Kolar. Once in 3rd, if the transmission downshifts into 2nd it will just rev the engine and not go anywhere. 4l60e shifting problems: Alex: 11-25-11 : 4L60e behind completely rebuilt 4. 4l60e Problems The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board 4l60e Problems - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. when i pulled it down i replaced basically every lip seal, only ones i. Otherwise, 2-4 band is worn out. Rebuilding your transmission? We sell transmission rebuild kits for all makes and models, that include the parts you need to service your ride. Truck starts, shifts fine and then once it's warmed up, it stops shifting. Loading Unsubscribe from Chris Kolar? No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem - Duration: 38:26. 4L60E / 4L65E Intermittent Neutral from a Stop or 2-3 Shift - kw flare information launch slip #PIP3002C - (Sep 22, 2004) 4L60E/4L65E Intermittent Neutral from a Stop or 2-3 Shift. Try not to run or drive the car or further damage could result. 482 2nd -- 1. I've used GM's 4L60-E as an example to stress the importance of knowing changes made throughout the years with any transmission being diagnosed. It does have 4th. 4l60e shifting problems: Alex: 11-25-11 : 4L60e behind completely rebuilt 4. I've used GM's 4L60-E as an example to stress the importance of knowing changes made throughout the years with any transmission being diagnosed. After dealing with hundreds of 4L60e's at my shop, I needed a solution to teach my new techs about the 4L60e and find additional solutions to problems I couldn't understand. com and affiliated sites. This happens in between 40, sometimes 60 to 65 KM/H. Otherwise, 2-4 band is worn out. Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. This will fix the 2-3 lag or no shift that causes the 3-4 clutch burn up. If you end up with a bad sprag, the 4L60E won’t be able to shift into 3rd or 4th gear. *Measure the gap of each clutch pack to make sure it is within specs and I use a proprietary 3-4 Clutch setup that increases Torque, Prolongs its life and eliminates the common 3rd and 4th gear Slip/ Flare. That was a 700R4 (tv controlled) and not a 4l60E, so I don't know what kind of difference that might make. No gears in OD and manual 2nd feels like neutral and then when I rev it up to 3500 or so it moves but obviously slipping. 4L60E 2-3 Shift Flare Burning 3-4 clutches (Fix) If you have a delay in your shifting or no 2-3 shift on WOT use this attached to check your settings. The 4L60E transmission weighs 146 pounds dry, and 162 wet. If the band was stuck holding the sun shell, you also would not have 1st so I doubt that is your issue. Took it for a drive and still slipping as it shifts to 3rd. I have 1st, 3rd, 4th and reverse. In the forum you will find an informative tech area, a place for Member’s journals, Vendors with special Members pricing, and more!. the trans made a grinding noise in first and reverse, but stopped when it shifted to second. No 2nd or 4th gear. fluid is black. hey all, So up until now my stock standard 4L60E has been handling the power from the cam ect (265rwkw) but has now decided to partly shit itself. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. The trans has two external coolers, one in the radiator and one in front of the radiator. Right as it is about to shift into 3rd, RPMs just jump and it slips completely for a few seconds until it goes into 3rd. Check like this: Clear code. A transmission rebuild kit can provide the items needed, saving you time and energy by preventing the need to buy them separately. 06 for first gear, 1. There was no slipping or other indication of a problem, and it. These conditions can all be caused by a poor internal ground in the VCM. 3rd 4th, Coast & lockup slippage or burn up. The Turbo-Hydramatic 700-R4, 4L60, electronic 4L60E, and the 4L65E, were all designed to replace the tried-and-true TH350. 4l60e slipping in 3rd and 4th. If the PWM TCC solenoid is not being operated correctly, the result could be a slipping converter clutch or a very harsh apply rate; either of which can damage the transmission and/or converter. 000 4th -- 0. Car and Truck Transmission Rebuild Kits If you are rebuilding a transmission for your car or truck, there are several accessories necessary to complete the assembly. There is a service bulletin out by Gm to reroute some wires and add one. Servo seals may be damaged (can be fixed without removing trans. The vette servo is a good thing, but it's more setup for the 2-3 shift as it's the 3rd accumulator. I remove filter to see 2-4 drum and band and there was no metal heat discoloring. no 3rd or 4th. My 700r4 shifts 1st and 2nd perfectly but then slips in 3rd and overdrive? Chances are you need to add transmission fluid. If I floor it, it will go to 3rd & 4th, then jump right back to 2nd. This is caused from the 3-4 clutches being smoked (usually) or hydraulic problem in 3-4 clutch circuit. 000klms before doing the same thing. From personal experience, I have seen cases where the vehicle had a solenoid or transmission sensor issue, along with a specific transmission trouble code and a bad shift solenoid or bad transmission sensor and yet once the failed solenoid/sensor was replaced and the transmission started shifting again it started to slip in 3rd or 4th gear. 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. I have already put a P1870 code buster kit in it (new valves and pistons, Corvette solenoid) which has been working great, but now the TC seal is leaking and I'm getting some slipping in 3rd and 4th. Automatic. I'm having a real nightmare with a 4L60E in my 94 Jimmy (4. After dealing with hundreds of 4L60e's at my shop, I needed a solution to teach my new techs about the 4L60e and find additional solutions to problems I couldn't understand. WILL FIT 82-UP GM Chevrolet Chevy 4L60E 4L65E Transmission Parts: 4L60E, SHIFT CORRECTION PACKAGE 4L60E 93-UP (SUPERIOR) GM Chevrolet Chevy 4L60E 4L65E Transmission Parts. The 1st gear works fine, then it will skip 2nd as he accelerates and then drops into 3rd. My motor turns on at 3500 rpm and I like to shift at 7000 rpm for first to second and 6500 rpm for second to third. 64″ torque converter) or 11. Almost every rear-wheel drive vehicle manufactured by General Motors features the 4L60E transmission. 52:1, the downside with the deeper First is the major rpm drop in the 1-2 and 2-3 gear changes that the 700R4/4L60 force upon you. What would you do to improve our website? We're always looking for ways to improve JEGS. ELE10 700D Wiring Harness, Universal Internal & External Repair w/ External Connectors & Wires With Temp Sensor). 1996 4L60/80E, 1-2 Slip/Flare, No 3rd or 4th, erratic line pressure and/or poor line rise, shudder on take-off, sometimes accompanied by Code P1870. so today I had a cammed 99 z28 pull up next to me at a light, it turned green and we got upto about 25 maybe 30 mph, then we both floored it, my car downshifted and took off (I won surprisingly) but now I have no 2ND gear and no 4TH gear, tried to shift manually wont take 2nd but will go right into 3rd without issue, I do still have very very strong reverse, no other gears slip or have an. - 2 - 700r4 transmissions from a 1992 GMC 4X4 both need rebuilds ( cores) slips in 3rd $100. 4l60e problems not shifting to 2nd and 4th? This is a discussion on 4l60e problems not shifting to 2nd and 4th? within the Automatic Transmission forums, part of the Drivetrain category; Has anyone ever had this problem or know the solution. There is a forth gear. 3L vortec, 2WD). OD 1st, 2nd, and 3rd b. I installed a 700r4 in my 60 chevy. The trans has two external coolers, one in the radiator and one in front of the radiator. Re: Best --continued [ Re: HECTOR16 ] #1535503 07/17/09 05:34 PM. If there's a valve problem, it will typically fail to up-shift out of 2nd gear as you accelerate. Basically its a recon trans & TC 30,000 miles ago & has always been smooth. 000 4th -- 0. The auto transmission is having some issues with hanging and then suddenly shifting with a slight jerk move from 2nd to 3rd or 4th gear. rev is fine. I was going to see what would be easier and cheaper swaping in a 98 pcm or the 411 pcm. no 3rd or 4th. It will start off in first normally and shift to and drive in second normally. the Guy told me about the trans but I'm wondering what could be doing it. net is the home of the Transmission Rebuilders Network offering the leading transmission rebuilder forum in the transmission industry. As the owner of a vehicle, the only thing you can do to diagnose why you have a slipping transmission is to check the transmission fluid level and condition. 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. Part 3: Removal of Oil Pump - Front Clutch - Rear Clutch. Burnt out the 3rd/4th gear clutch, so when the car takes off, it free-revs and occasionally attempts to provide drive in 3rd or 4th gear. 3 vortec runs stronger then ever with 230,000 miles on the clock. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. 3L : 4 Spd RWD/4X4 : 4L60E. 1-2 shift is fine. One day, I drove the truck and noticed it started to slip real bad in 3rd and 4th. No 3rd or 4th gear: “3-4” clutches are worn out. 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. It happens real fast. As the title states, my transmission slips while shifting from 2nd to 3rd gear. Sounds like you found the typical trouble spot on the 4l60e trans. OD 1st, 2nd, and 3rd b. seperated pump and cleaned along with the valve body. Servo seals may be damaged (can be fixed without removing trans. To help assist you with any repair your doing, we also sell technical rebuild manuals that offer step by step instructions for the repair work Carrying all types of auto transmission parts from well known car brands including Toyota, Volkswagen, GM. I brought it in to the familys shop today to read the code which was p1870 slippage. Auto transmission - slipping from 2nd to 3rd gear just bought a 2007 saab 9-3 combi sport tdi 1. 3L Vortec, installed in a '95 GMC Jimmy 4dr/4wd. Try not to run or drive the car or further damage could result. My 700r4 shifts 1st and 2nd perfectly but then slips in 3rd and overdrive? Chances are you need to add transmission fluid. If the trans is not slipping in gear, then leave the line pressure tables alone and ONLY reduce the "Shift time (sec) vs. temp reading at 38-40 degress. Top 30 Common 4L60E Transmission Problems and Repair. All 1996 Chevrolet and GMC C/K, S/T, M/L, G/P Models must have the harness updated per GM Service Bulletin 667103A. I was going to see what would be easier and cheaper swaping in a 98 pcm or the 411 pcm. does this have any thing to do with the TV cable not being conected?. A 4L60 is a 700-R4. If you end up with a bad sprag, the 4L60E won’t be able to shift into 3rd or 4th gear. The shifter is totally loose left-right with no spring back to neutral (midway left-right). It requires 8. Scotties Hobbies 19,430 views. It has no 2nd, no manual 2nd either. Long story short, i was cruising at 60Ks or so and booted it, the box dropped down to 2nd gear and then instantly hit limiter and just sat there bouncing off it, and not going into 3rd, at which point i manually put it into 3. The 2000 Chevrolet Silverado has 2 problems reported for shifting problem with 2nd to 3rd gear. No 2nd or 4th gear: 2-4 band is slipping. 700R4 4L60E 3rd accumulator check ball REPLACE & upgrade w/ Sonnax servo release valve - Duration: 7:26. *Check the 3rd Accumulator Checkball Assembly to make sure it does not leak into the Transmission case. 63 for second, 1 for third gear, and 0. No 2nd or 4th gear: 2-4 band is slipping. 4 quarts (9. it would have lasted longer as a daily driver. 000 4th -- 0. flushed the old fluid out and put a bottle of Transx in it and it lasted 5months until i blew it up in the mud pulling a friend of mine up out of a mud hole. Transmission must be removed and rebuilt. And when going down the road at about 40 and try to shift manually in 3rd still nothing just rev. No 2nd or 4th gear. From personal experience, I have seen cases where the vehicle had a solenoid or transmission sensor issue, along with a specific transmission trouble code and a bad shift solenoid or bad transmission sensor and yet once the failed solenoid/sensor was replaced and the transmission started shifting again it started to slip in 3rd or 4th gear. So, now knowing it needed more work, I took it to a transmission shop nearby. If no rpm change then you know its doing the 1-2-1-2 shift. The name only changed to better identify the transmission. Place the transmission in high gear, rev the engine to 2500 rpm and slowly release the pedal. Most of the time it worked fine, but every now and then, he thought he noticed the transmission was slipping going into 4th gear. 1996 4L60/80E, 1-2 Slip/Flare, No 3rd or 4th, erratic line pressure and/or poor line rise, shudder on take-off, sometimes accompanied by Code P1870. The following diagnosis might be helpful if the vehicle exhibits the described symptoms in the PI. No 2nd or 4th gear. These problems can be caused when the external sensors on the vehicle go bad. Sounds like you found the typical trouble spot on the 4l60e trans. 3rd and 4th gear slipage in 4l60e I have a '98 LS1 Camaro and a couple of weeks ago I was running down a desserted stretch of freeway pretty hard and when the trans went to shift from 3 to 4 it hung quite a long time and finally shifted to 4th. 3L vortec, 2WD). 700 4L60E Automatic Transmission Parts , Transmission Parts Selection. If you have a computer problem, it would be typical for it to inappropriately downshift out of 3rd or 4th gear while driving at a steady speed on the highway. 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. I have 1st, 3rd, 4th and reverse. The 4L60-E transmissions uses several solenoids and sensors to control/activate its 4 gears. Common problems are: Check engine light comes on. I have a 98 Chevy K1500 Z71 with the 5. In 4th, the 4th apply piston gets fluid and the servo again applies the 2-4 band to stop the sunshell. Learn about this problem, why it occurs, and how to fix it. 4L80E 2nd & 3rd gear only I've got a 16,500lb motorhome with a '95 Chevrolet P32 chassis, 454 TBI and the 4L80E trans with 50K miles (purchased with 38K). When it locks it droppes about 200 rpm. Thanks for the reply. Each shift event in the 4L80e transmission is a clutch-engagement, rather than a band engagement or combination of the two as in the 4L60e. Om617 to 700r4. 4L60 4L60E 4L65E 4L70E Transmission 2nd gear super hold servo kit the Sonnax 2nd gear super hold servo kit 77911-03K for GM 4L60/4L60-E has 18% more apply area than the "Corvette" servo (largest OE) and maximizes holding power in 2nd gear with more positive 1-2 and 2-3 shifts. 50 mph and above when accelerating it acts like its somewhat slipping. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. it would have lasted longer as a daily driver. 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). It seems that the gear slips into neutral when you push it to the third. Maybe it also controls the 3-4 shift. or feels like it. I would say you need a rebuild, once they start slipping in 3rd and 4th(O/D) that usually means they are shot. Everything has the potential to fail, but there are rarely problems without solutions. Why does my Transmission slip and buck in overdrive? I have a 1984 GMC 2500 vandura with a 700r4 trans mission,I have noticed that while in overdrive only,that it seems to slip out of gear, or buck (sorry best way to describe) is there an external control module? or is this problem internal?. It stays in 2nd and just sounds like a big slip fest. 4L60E / 4L80E The transmissions above, are rear wheel drive 4speed automatics that are all computer controlled. Transmission repairs can be very costly so be sure to completely diagnose and be sure of the symptoms of your problem before you take your car in for a transmission service. 3 Vortec 4l60e swap help 3rd Gear Off Off 4th Gear On Off a surprise to you that is is by allowing the clutch packs to slip causing more wear and. I delayed upshift to 4th under light throttle to 44 mph and engage TCC in third at 32 mph. 4L60E 2-3 Shift Flare Burning 3-4 clutches (Fix) If you have a delay in your shifting or no 2-3 shift on WOT use this attached to check your settings. Continue Reading. When selected, this switch prevents the transmission from shifting into 4th gear while in Drive, and the indicator illuminates to show that Overdrive (4th gear) is disabled. 4L60E 4L65E Transmission shift kit Transgo SK 4L60E Corrects, prevents or reduces erratic pump slide bounce that wears out the pump and valves, no lockup, no 4th gear, code 1870, cutloose or bang from reverse to drive, forward and reverse clutch failure, 1-2 bump shift, delayed reverse. The VN on uni (RUJ2038) has 27. Once I did that now it shifts like a new truck. Re: 4l60e -starts off in 2nd/ no TC lockup by jeff: I have a 96 S-10 SS pick-up that seems to start off from a stop in second. 4 inches long and weighs 155 pounds. The 4L60E is not easily swapped with the 4L60, as the 4L60E depends on a powertrain control module (pcm) to shift. This happens in between 40, sometimes 60 to 65 KM/H. When it finally reaches 40 I up the gear to 4th. Truck starts, shifts fine and then once it's warmed up, it stops shifting. This one has manual low and reverse. Transmission repairs can be very costly so be sure to completely diagnose and be sure of the symptoms of your problem before you take your car in for a transmission service. I am a trans builder at a shop in georgia i have a 4l80 e that has a tubine shaft speed sensor error, it also takes to long to shift in 3rd causes a 730 & 756 CODE ALL INTERNAL ELECTRONICS HAS BEEN REPLACED WITH AC DELCO. Part 3: Removal of Oil Pump - Front Clutch - Rear Clutch. or feels like it. Otherwise, 2-4 band is worn out. No 2nd or 4th gear. No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD : ShiftA solenoid failed. EMCC also improved transmission durability by reducing transmission fluid and engine coolant temperatures. These conditions can all be caused by a poor internal ground in the VCM. you have to jiggle handle it then goes into 4th. The truck would slip into 3rd and 4th gears. The NV4500 or New Venture Gear 4500 is a heavy-duty, manual shift, five-speed overdrive, longitudinally positioned transmission. Place the transmission in high gear, rev the engine to 2500 rpm and slowly release the pedal. 4L60E / 4L80E The transmissions above, are rear wheel drive 4speed automatics that are all computer controlled. Connect the electrical connectors to the appropriate solenoids and install the TCC solenoid and valve. It’s music to every driver’s ears, like a stirring symphony of harmonized audio frequencies all singing in perfect unison. An internal transmission disassembly may reveal a 2-4 band and or a 3-4 clutch being distressed. Common problems with the 4L60E transmission include the third and fourth gears not working, slow or slipping reverse gear and sudden grinding noise in second gear. 3rd and 4th gear 4l60e I had it rebuilt in and now it's slipping in 2nd 3rd and 4th. If engine braking is important to you, you will have to leave the lever in 3rd and either forgo the overdrive or shift manually into 4th as required. Could be something else. P0757 Chevrolet Description. Burnt out the 3rd/4th gear clutch, so when the car takes off, it free-revs and occasionally attempts to provide drive in 3rd or 4th gear. reverse gear only 3. Problem Symptoms Possible repair. Try not to run or drive the car or further damage could result. Problem; The pump was bad, the sunshell had broke, and the 3rd and 4th area of the input drum was damage. *Measure the gap of each clutch pack to make sure it is within specs and I use a proprietary 3-4 Clutch setup that increases Torque, Prolongs its life and eliminates the common 3rd and 4th gear Slip/ Flare. The transmission itself, except for the valve body and speed sensor, is virtually the same as a full hydraulically controlled. UNIT AIR CHECKES PERFECT WITH 20PSI AIR, NO DEBRIS OR METAL IN THE PAN. This one had much more damage then the previous ones. No 2nd or 4th gear. The 4L60E requires a computer that can control the shift points, throttle position sensor, tach signal, coolant temperature sensor, VSS, and wiring harness, most of which is already. Otherwise, 2-4 band is worn out. 41TE Automatic Transaxle. Servo seals may be damaged (can be fixed without removing Transmission. I just bought a used trans from someone it had 189xxx miles on it and it won't shift past 2nd in od. And when going down the road at about 40 and try to shift manually in 3rd still nothing just rev. GM 4L60E 100% slipping 3rd and 4th - any way to trick a few more miles out of it? glueguy HalfDork 12/19/16 3:56 p. One day, I drove the truck and noticed it started to slip real bad in 3rd and 4th. 1996 4L60/80E, 1-2 Slip/Flare, No 3rd or 4th, erratic line pressure and/or poor line rise, shudder on take-off, sometimes accompanied by Code P1870. They were made from an inferior metal that wasn't properly heat treated and it shatters without warning. Electronic Control Transmission (ECT) The Electronic Control Transmission is an automatic transmission which uses modern electronic control technologies to control the transmission. I changed the fluid and filter, but no change. I just rebuilt my 3rd 4l60e with the 1st two being successful and this one, well, not so much. I bought a transmission Manuel on the 4l80e. no 3rd or 4th. The mechanical connection of the clutch takes away the natural. In 4th, the 4th apply piston gets fluid and the servo again applies the 2-4 band to stop the sunshell. 0 with 4L65e, built with Beast sunshell, shift kit, alto frictions, Trailblazer converter. Sounds like you found the typical trouble spot on the 4l60e trans. Typically you lose one or all of these gears; Reverse, Second and Fourth gears. Besides the physical aspect, it simplifies the PCM side of the swap. 2-4 band is slipping. General Tech - 4L60E Question - suddenly lost 3/4 Gears - Just did a rebuild on a 4L60E transmission. The 2-4 band holds the sun shell. No 3rd or 4th gear: “3-4” clutches are worn out. 5 quarts since it was indeed over filled. Lets first talk about the difference between a 4L60, and a 700-R4. Easy to use parts catalog. The transmission shifts erratically, slips or does not shift at all. This happens in manual transmission vehicles when the clutch wears out and loses grip intermittently. 1-2 shift is fine. 2-4 band is slipping. Servo seals may be damaged (can be fixed without removing trans. The NV4500 or New Venture Gear 4500 is a heavy-duty, manual shift, five-speed overdrive, longitudinally positioned transmission. I have already put a P1870 code buster kit in it (new valves and pistons, Corvette solenoid) which has been working great, but now the TC seal is leaking and I'm getting some slipping in 3rd and 4th. that night, tranny started slipping in 3rd. Right as it is about to shift into 3rd, RPMs just jump and it slips completely for a few seconds until it goes into 3rd. One day, I drove the truck and noticed it started to slip real bad in 3rd and 4th. This has been happening on and off for about 6 months now. 1st and 3rd only, will not work in 2nd ,4th or Reverse sunshell is fractured or splines are sheared off. It shifts great cruising and even half throttle all that good stuff goes in 3rd all the time. 1996 4L60/80E, 1-2 Slip/Flare, No 3rd or 4th, erratic line pressure and/or poor line rise, shudder on take-off, sometimes accompanied by Code P1870. Try not to run or drive the car or further damage could result. Each shift event in the 4L80e transmission is a clutch-engagement, rather than a band engagement or combination of the two as in the 4L60e. The Turbo-Hydramatic 700-R4, 4L60, electronic 4L60E, and the 4L65E, were all designed to replace the tried-and-true TH350. com Trans worked great , all of the sudden I heard a pop sound in 2nd gear. 63 for second, 1 for third gear, and 0. The reverse clutch is only applied for reverse, and the low/reverse clutch applies for reverse and manual low (fig-ure 6). The one bad thing about the 700R4 is the big gear drop between the 1-2 shift.
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