Engine and engine cooling: exhaust system
Chevrolet technical service bulletin PI0434B for 2009-2013 Chevrolet Suburban, 2009-2013 GMC Yukon XL and 2009-2013 GMC Yukon Denali XL.
- Bulletin number
- PI0434B
- Component
- Engine and engine cooling: exhaust system
- Summary
- This preliminary information bulletin provides a procedure for the dampener, exhaust install or replacement to eliminate a drone, vibration or rattle type noise coming from the exhaust system with engine RPMs at 1700.
Owners of these vehicles have filed 81 complaints in the engine category.
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