AutoAfterWorld.COM — Vehicles affected by service bulletin:
- 2007 Chevrolet Colorado
- 2008 Chevrolet Colorado
- 2009 Chevrolet Colorado
- 2010 Chevrolet Colorado
- 2011 Chevrolet Colorado
- 2012 Chevrolet Colorado
- 2015 Chevrolet Colorado
- 2007 Chevrolet Silverado
- 2008 Chevrolet Silverado
- 2009 Chevrolet Silverado
- 2010 Chevrolet Silverado
- 2011 Chevrolet Silverado
- 2012 Chevrolet Silverado
- 1999 Chevrolet Silverado Classic
- 2000 Chevrolet Silverado Classic
- 2001 Chevrolet Silverado Classic
- 2002 Chevrolet Silverado Classic
- 2003 Chevrolet Silverado Classic
- 2004 Chevrolet Silverado Classic
- 2005 Chevrolet Silverado Classic
- 2006 Chevrolet Silverado Classic
- 2007 Chevrolet Silverado Classic
- 2007 GMC Canyon
- 2008 GMC Canyon
- 2009 GMC Canyon
- 2010 GMC Canyon
- 2011 GMC Canyon
- 2012 GMC Canyon
- 2015 GMC Canyon
- 2007 GMC Sierra
- 2008 GMC Sierra
- 2009 GMC Sierra
- 2010 GMC Sierra
- 2011 GMC Sierra
- 2012 GMC Sierra
- 2013 GMC Sierra
- 2014 GMC Sierra
- 2015 GMC Sierra
- 1999 GMC Sierra Classic
- 2000 GMC Sierra Classic
- 2001 GMC Sierra Classic
- 2002 GMC Sierra Classic
- 2003 GMC Sierra Classic
- 2004 GMC Sierra Classic
- 2005 GMC Sierra Classic
- 2006 GMC Sierra Classic
- 2007 GMC Sierra Classic
- 2007 Hummer H3
- 2008 Hummer H3
- 2009 Hummer H3
- 2010 Hummer H3
- 2007 Hummer H3T
- 2008 Hummer H3T
- 2009 Hummer H3T
- 2010 Hummer H3T
The problem: Vehicles may emit a squeaking noise during normal operation that can be traced to the rear leaf springs. The noise varies depending on road conditions. The condition may be due to debris getting between the leaf springs, or to a broken or misaligned retaining clip on some vehicles.
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Corrective action: Dealers will clean and lubricate the rear leaf springs. If necessary, they will align or replace the leaf spring aligning clip and lubricate the rear leaf springs.
Warranty info: This service bulletin is being performed free of charge under the new-car warranty.
What owners should do: Call your local dealer with your vehicle's identification number to determine if it's involved in this service bulletin. You can also call Hummer at 313-556-5000, Chevrolet at 800-222-1020, GMC at 866-694-6546 or NHTSA at 888-327-4236. Reference TSB No. 06-03-09-004G.
Need to find a dealer for service? Go to Cars.com Service & Repair to find a local dealer.
Editor's note: This is only one of dozens of service bulletins issued each month by automakers. Please check your automaker's website to see if your vehicle has any service bulletins pending.
Check for recalls here on Cars.com.
