This TSB involves a clicking type noise from the front or rear of the vehicle when shifting between reverse and drive or on hard acceleration. The fix involves adding a washer to the wheel drive shaft.
This bulletin applies to several GM vehicles, including 2010-2011 Buick LaCrosse, 2011 Buick Regal, 2008-2011 Cadillac CTS, CTS Wagon and Coupe, 2010-2011 Cadillac SRX, 2010 Chevy Camaro (built prior to June 1, 2009 with any V8 engine or V6 engine with manual transmission; or prior to Febr. 17, 2010, with V6/automatic), 2010-2011 Chevy Equinox, 2011 Chevy Cruze and 2010-2011 GMC Terrain.
A washer is to be added between the front wheel drive shaft and the bearing hub assembly. Note that some vehicles may have been built with this washer. If a washer is already in place, remove and discard, and replace with a new washer. NOTE: Any time the wheel drive shaft is separated from the steering knuckle, the washer must be replaced with a new washer.
If the clicking noise applies to a CTS or Camaro, customers may complain that the noise is coming from the rear of the vehicle. Add a washer between the rear wheel drive shaft and the bearing hub assembly using the same procedure.
Camaro, CTS V-Series washer (2) 20825083
CTS, DTS Wagon, CTS Coupe, Cruze,
LaCrosse, Regal, SRX, Terrain washer (2) 11611232
Camaro rear drive shaft nut (2) 13217120
CTS, CTS Wagon, CTS Coupe, Equinox, Terrain drive shaft nut (2) 10289657
CTS V-Series rear drive shaft nut (2) 10257766
Cruze front drive shaft nut (2) 13208079
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