4L80E. Uploaded by Jesús Guerrero. FAMOUS GM TRANSMISSION 4L80E, ENJOY IT!. Copyright: © All · Prueba Lírica. ldw · atg tape refill 1/4 · 2hw5n · rnr-b · clabb · biunvhp-b · bfkv18ts · sdve 9mm accessories · motorola sbv · 5a · au65wp20 · orizon. what cross members fit? what drive shaft yoke? part #? HERES SOME INFO ON THE 4L80E

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You’ll receive email and Feed alerts 4l80s new items arrive. Mon Jul 15 But first, see if it delays in manual 2nd. New other see details 1. If I was to guess, this unit had a worn PR boost valve and was opperated at high line long enough to wear the pump body.

However, the speedo worked fine. I decided it must be servo related. Tell them what it is doing and that you have checked all inputs to the ECM and if they don’t think it’s bad,,prove it to you. Then maybe you can see what is atf the problem. Hopefully some of this is useful for you.

Brand Type see all Brand Type. See each listing for international shipping options and costs. I replaced the sensors because one of the terminals was messed up on the output sensor, and the harness pulled apart. I just pulled one off the shelf and there are no holes in the plastic anywhere. Each code will flash out 3 times in succession and move on to the next code. Will probably try another new solenoid in the a. I noticed you already changed it It is sometimes caused by a slight crack in the base of the screen that is located in the rear part of the manual valve bore.


With the o ring intact and the flow increasing on TCC apply command, what else could it be besides the torque converter itself? We torn it down to find the direct plates badly burned. Fri Jun 7 I swear I heard this works, altho I have no personal experience CJ of-Canada – Transtech Inds. It does happen but use the code as a clue to possible harness integrity.

This page was last updated: If you have time I think it’s worth a look. Hope yours aty less trouble than that. The reading of 0 volts until after reset.

Only codes are qtg gear ratio errors, it is used hard and I suspect internal damage. Did you install a gil kit in it?

ptc converter 4l80e | eBay

I put the Reverse seal plug in the two feed holes taking care of any loss of oil between the Case and the Support. It is easy to test, just air test the drum on the center support. It may not correct the TCC operation but can address the commanded high line.

Another thing that I would like to bring up is that you said, in short, that the dir. I will use only OEM or Rostra now. Jimmy Taylor – odie gci.


I am 4k80e sure whether there is a DRAC in this configuration. I didn’t hook up the Vantage to this one, but I bet it would have shown the same thing as the other truck did.

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It looked to have been rebuilt before, though some time ago. A knock sensor code will cause high line pressure on a 4L80E. Not have American Knowlege 4l8e0 scanner Ztg Repairs: In manual 3 when lockup is commanded there is NO change in flow on the Sonnaflow so I have concluded that this is likely NOT a defective torque converter, but something in the trans.

I just could not get pass the oss reading so strange.

4l80e center support | eBay

I then called some peaple I know at the GM dealer and asked the trans guy if he ever heard of the esc messing with the line sol. Transmission in truck is a GM rebuilt. No codes were found, and even with the strange OSS readings, it had normal upshifts and worked fine.

The input shaft is the one turning slower, but there is no sensor on a 4L80E to monitor it since the sensor reads off the forward drum. I always treat temp sensor codes as being a connection problem first, then a sensor problem.

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