Strange thud from right rear of car. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-11-2008, 10:30 AM   #1
reb
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Default Strange thud from right rear of car.

Heres a weird problem. When I turn the car off after driving, a short while after a thud occurs right rear. The car actually even moves a bit during the sound. Sometimes it will happen sitting at a light, you think someone even hit you from behind. But almost always happens within a minute of turning off engine.

I'm thinking two possibilities. Either a brake related issue ie. rear wheel cylinder, or a strut going bad.

Can anyone please provide some further insight.

Thanks
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Old 04-11-2008, 01:32 PM   #2
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I'm not very savvy on the car models and stuff yet, but do you have the electronic suspension control on that car?
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Old 04-11-2008, 02:08 PM   #3
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maybe a strut. Is it occuring after you turn the engine off or when you get out and let the car settle a bit?
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