Deceleration thump
#1
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Deceleration thump
I just purchased a 99 2500 76k miles with auto tranny and EZ module. I noticed that when I decelerate or accelerate suddenly I feel a thump. I cannot hear the thump but I can feel it through the truck. It reminds me of the feeling of a loose engine mount. I don't know the history of the truck so I don't know if the tranny was modified for the extra power. What do you think the thump may be?
#3
Top's Younger Twin
Re:Deceleration thump
Could be a defective shock.<br>All four of mine seemed fine, replaced them and the thump is gone and the shocks were all defective.
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Re:Deceleration thump
It could very well be the shocks. I did notice the truck is a little unstable when going over real rough things....like slow traffic, gang bangers and protesters.
#5
Top's Younger Twin
Re:Deceleration thump
[quote author=Hottrodjim link=board=4;threadid=13102;start=0#123759 date=1049381738]<br>It could very well be the shocks. I did notice the truck is a little unstable when going over real rough things....like slow traffic, gang bangers and protesters. <br>[/quote]<br><br>Turn up the stereo. <br>Jack had a problem with his bearings. Not his, the trucks. <br>Problem with a front end is so many things can cause the noises.
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Re:Deceleration thump
The stereo has yet to be upgraded. The front wheel bearings and hubs have been replaced, the ******* said they were cracked and that was causing the thump. Do I look Stupid ? I have a due bill to fix the thump though so I am sure some type of battle will ensue.
#7
Top's Younger Twin
Re:Deceleration thump
Dealer told me it was the track bar...replaced it...still a thumpin'. I had play in the outer right tie rod end and the tie rod end at the pitman arm. Replaced those and put all my stock shocks back on. thump gone<br>Had an alignment yesterday...feels real nice now.<br><br>good luck.
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#9
Top's Younger Twin
Re:Deceleration thump
[quote author=BigBlue link=board=4;threadid=13102;start=0#123793 date=1049387324]<br>Hey Scotty, how's the tranny?<br>[/quote]<br><br>EXCELLENT<br>shifts great.
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