Engine
Chevrolet technical service bulletin PIT5404E for 2014-2019 Chevrolet Silverado 1500, 2015-2019 Chevrolet Tahoe and 2014-2019 GMC Sierra 1500 and others.
- Bulletin number
- PIT5404E
- Component
- Engine
- Summary
- This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Replace or repair any of the issue that was found in the inspection. If the vehicle is equipped with a 4.3 liter or 5.3 liter engine an updated exhaust system is now available.
Owners of these vehicles have filed 2,143 complaints in the engine category.
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