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2008 CTS
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Discussion Starter · #1 ·
Have a 2008 CTS, only 25,000 miles and just recently hearing a clunking sound from right rear of car. Could this be a faulty Strut? Has anyone experienced anything like this? Any feedback would be appreciate. Thanks!!!
 

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2008 CTS 3.6L DI RWD, GMPP new engine 11/2013
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2,092 Posts
Hi dvs1943,

Sorry...clunking noise is one of the few anomalies my CTS has not experienced...lol,
but here's one possible source of such noise reported by other '08-'09 owners:

Bulletin No.: 08-03-09-002C

Date: January 29, 2010

Subject: Clunk Noise Coming From Rear of Vehicle When Driving Over Bumps (Replace Affected Suspension Knuckle)

Models:
2008-2009 Cadillac CTS, CTS-V
Built From January 14, 2008 Through September 1, 2009

Supercede:
This bulletin is being revised to provide new build dates and update the correction information to require replacement of the suspension knuckle instead of the bushing. Please discard Corporate Bulletin Number 08-03-09-002B (Section 03 - Rear Suspension).

Condition
Some customers may comment on a clunk noise coming from the rear of the vehicle when driving over bumps.

Cause
This noise may be caused by contact between the shock absorber and the suspension knuckle. This contact occurs when the knuckle to shock absorber bushing becomes unseated from its position.
 
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