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SE Level Member
02-19-2020
My kid was telling me his car is making an awful thumping noise. He claims it only happens when coasting. Not under acceleration or braking and less when turning. Looking for suggestions on what to look for when he gets home tonight.
'97 Grand Prix GT Coupe
'05 Grand Prix GTP Sport Red Metalic SOLD
'05 Grand Prix GTP Silver
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GT Level Member
02-19-2020
Look at the cv’s and control arm bushings/ball joints/arms themselves. It’s a start. Mine are a bit clunky, but I have the new arms in the trunk, just being lazy.
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GT Level Member
02-19-2020
hooker in the trunk trying to get out?
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"Silver Bullet" 98 GTP Coupe: Stock, rust free, and broadsided.
Old '98 GTP Coupe: VS Cam, 3.0, S2IC, 42.5#, TOGs, N*/LQ4, Corsa. it once ran a 13 flat
Older '98 GTP Sedan: Pullied, rockered, SSIC, etc. Stock 14.33 @ 96.5 / PB: 13.89 @ 101
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SE Level Member
02-19-2020
Originally Posted by
mguzzo
hooker in the trunk trying to get out?
I'll have to look. Maybe there's 2 in there?
I'm actually surprised he heard any noise at all with how loud he keeps the music.
'97 Grand Prix GT Coupe
'05 Grand Prix GTP Sport Red Metalic SOLD
'05 Grand Prix GTP Silver
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GT Level Member
02-19-2020
Originally Posted by
GYSOT1
I'm actually surprised he heard any noise at all with how loud he keeps the music.
keeps the music loud and aweful thumping. maybe its just his choice of music makin the aweful thumping???
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SE Level Member
02-19-2020
Originally Posted by
tomsteve
keeps the music loud and aweful thumping. maybe its just his choice of music makin the aweful thumping???
Another good suggestion but in the end, I did not find any hookers in the trunk and the music was turned down so those weren't the problem The problem as it turned out was 2 loose lug nuts on the left front wheel. He took it to a place to get the tires re-seated last week and they neglected to tighten 2 lugs. I'm calling them tomorrow to inform them of their lack of detail.
Since there were ABS codes i fixed them as well. There was a broken wire to the hub.
'97 Grand Prix GT Coupe
'05 Grand Prix GTP Sport Red Metalic SOLD
'05 Grand Prix GTP Silver
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Post Thanks / Like - 0 Thanks, 1 Likes, 0 Dislikes
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GT Level Member
02-22-2020
Originally Posted by
GYSOT1
Another good suggestion but in the end, I did not find any hookers in the trunk and the music was turned down so those weren't the problem
The problem as it turned out was 2 loose lug nuts on the left front wheel. He took it to a place to get the tires re-seated last week and they neglected to tighten 2 lugs. I'm calling them tomorrow to inform them of their lack of detail.
Since there were ABS codes i fixed them as well. There was a broken wire to the hub.
That’s entirely possible, but I have driven many a car with 2 out of 5, even 2 out of 6 lug nuts remaining. Keep an eye on it to see if there is any noise at all.
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