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Transmission clunk

5K views 12 replies 3 participants last post by  Frango100 
#1 · (Edited)
I havent even seen my new/old jeep yet, but want to find out as much as i can about this tran's clunk from 3rd to overdrive so i can fix it asap. Has anybody had this problem.... i know the fluid is burnt and am wondering if a service will fix it. Iv been told it's got something to do with the clutch cog going to fast or to slow (never herd of one before so iv got no idea if thats even a real part). Either way if the tran's is stuffed ill just upgrade. Thank's
 
#6 ·
no...its basically the same tranny as whats in the current wk's with the 4.7 and 5.7...minus 1 gear. Ya know...some of the durango guys are swapping in tcm's from the newer wj grands and making them a 545rfe. I wonder if the jeep guys with the 45rfe...can do the same? The only difference between the two trannies is the tcm's.....
 
#8 ·
tranny control module

have you had a chance to check out our partner site? www.wjjeeps.com tons of info on the wj. it could point out the wj's tcm for ya. I would post a thread in the wj forum here to about your problem.
 
#13 ·
Most probably the fluid and filters change will solve your problem. Maybe a good idea to put it on a DRB scanner before opening to check for faults codes, just to prevent opening it again. You can then also realtime see the pump linepressure and other inputs, which could show any anomally.
 
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