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Thump when stepping on gas Thump when stepping on gas
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  #1  
Old 06-23-2007, 09:03 PM
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Join Date: Sep 2006
Location: socal
Vehicle: 2003 ford f150
Posts: 54
Thump when stepping on gas
Hey fellas I have a little problem when I take off from a stop theres a clunk in either the tranny or the driveshaft.This problem only happens later in the day when the temps outside warmup.In the morning I can drive 40 miles and not have this problem.does anyone know whats going on?

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  #2  
Old 06-24-2007, 03:07 AM
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Join Date: Nov 2006
Location: mass.
Vehicle: 2001 ford 250
Posts: 1,955
sounds like worn u joints. the only doing it when its warm?? no clue. go under and grab the driveshaft and see how much play u have in the u joints. could be coming from your rear end. i get a small thump sometimes on my 97. check your rear end fluid make sure its full.
Last edited by keith97xlt; 06-24-2007 at 03:10 AM.
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  #3  
Old 06-24-2007, 03:28 AM
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Join Date: Jun 2006
Posts: 746
could also just be the splines on the driveshaft
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