Gmc/chevrolet: if not torqued to specification, on certain trucks, bolts on 4 water pump pulley, could...
Chevrolet technical service bulletin SB-12118 for 2012 Chevrolet Silverado and 2012 GMC Sierra.
- Bulletin number
- SB-12118
- Component
- Engine
- Summary
- Gmc/chevrolet: if not torqued to specification, on certain trucks, bolts on 4 water pump pulley, could back out or break.
Owners of these vehicles have filed 12 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 2012 2012
- GMC Sierra 2012 2012
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