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Old 06-23-2017, 05:33 PM   #1
delana
 
Drives: 2017 Camaro 50th Anniversary
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knocking in rear and/or underneath

HELP!!! Knocking in the rear and/or underneath when going over bumps; started around 4,500 miles; has continued and is getting significantly worse; has anyone had this problem?
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Old 06-24-2017, 10:52 AM   #2
RACERJOE1
 
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Could be a dozen things, shock/strut loose, exhaust loose, suspension bushings, differential mounts....mine came up with a knocking noise over bumps about a year after installing Billy Boat sport exhaust, just had to retighten clamps.
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Old 06-24-2017, 11:05 AM   #3
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There is a TSB, a service bulletin out regarding loosening nuts on the front endlinks. Take you car back to the dealer or jack it up and tighten the front endlink nuts yourself.

The TSB is for front endlinks, but the way noises travel in a car I would start with a known service bulletin.
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Old 06-24-2017, 01:02 PM   #4
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It's a new car....take it to the dealer.....get a loaner and tell em to keep it till it's fixed.
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