Customer satisfaction program
Chevrolet technical service bulletin 12138 for 2010-2011 Chevrolet Silverado 1500, 2010-2011 Chevrolet Tahoe and 2010-2011 GMC Sierra 1500 and others.
- Bulletin number
- 12138
- Component
- Equipment
- Summary
- 12138 - customer satisfaction program. Normal engine vibration while in active fuel management (afm) mode may cause the transmission dipstick tube to fatigue and fracture. If this occurs, it could cause a tick or rattle noise from the front of the vehicle. Dealers are to inspect the transmission dipstick tube for a fracture and replace it if necessary. If no fracture is found, dealers are to install a foam sleeve around the tube to absorb the vibration.
Vehicles covered
- Chevrolet Silverado 1500 2010-2011 20102011
- Chevrolet Tahoe 2010-2011 20102011
- GMC Sierra 1500 2010-2011 20102011
- Chevrolet Suburban 2010-2011 20102011
- GMC Yukon 2010-2011 20102011
- GMC Yukon XL 2010-2011 20102011
- Chevrolet Avalanche 2010-2011 20102011
- Cadillac Escalade 2010-2011 20102011
- Cadillac Escalade ESV 2010-2011 20102011
- Cadillac Escalade EXT 2010-2011 20102011
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