Engine and engine cooling
Chevrolet technical service bulletin PIP5108A for 2011-2013 Chevrolet Tahoe, 2011-2013 Chevrolet Silverado and 2011-2013 Chevrolet Suburban and others.
- Bulletin number
- PIP5108A
- Component
- Engine and engine cooling
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have an audible engine whine noise at 1500-1800 revolutions per minute. Technician will need to check the coolant level, remove serpentine belt to verify noise goes away, rotate the thermostat 90 degrees and retest, then replace thermostat and retest. Technician will replace the water pump if there is no change.
Owners of these vehicles have filed 162 complaints in the engine category.
Vehicles covered
- Chevrolet Tahoe 2011-2013 201120122013
- Chevrolet Silverado 2011-2013 201120122013
- Chevrolet Suburban 2011-2013 201120122013
- GMC Yukon 2011-2013 201120122013
- GMC Sierra 2011-2013 201120122013
- GMC Yukon XL 2011-2013 201120122013
- Cadillac Escalade 2011-2013 201120122013
- GMC Yukon Denali 2011-2013 201120122013
- Cadillac Escalade ESV 2011-2013 201120122013
- GMC Yukon Denali XL 2011-2013 201120122013
- GMC Sierra Denali 2011-2013 201120122013
- Cadillac Escalade EXT 2011-2013 201120122013
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