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Discussion Starter · #1 ·
im not sure which forum im supposed to post this is. sorry if im posting in the wrong one. well, during quick or hard acceleration, i shift quickly from 1st to 2nd and i can hear and feel this thud in the rear of the car while i shift gears. can anyone tell me what this is? i had nothing in the trunk but a towel and those thin windshield covers. should i be worried? or is this completely normal? i thought maybe it would be the differential, but im not sure. thanks
 
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