Engine and engine cooling: exhaust system
Chevrolet technical service bulletin PIT5404C for 2014-2017 Chevrolet Silverado 1500, 2015-2016 Chevrolet Tahoe and 2014-2017 GMC Sierra 1500 and others.
- Bulletin number
- PIT5404C
- Component
- Engine and engine cooling: exhaust system
- 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 952 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2014-2017 2014201520162017
- Chevrolet Tahoe 2015-2016 20152016
- GMC Sierra 1500 2014-2017 2014201520162017
- Chevrolet Suburban 2015-2016 20152016
- GMC Yukon Denali 2015-2017 201520162017
- Cadillac Escalade ESV 2015-2017 201520162017
- GMC Yukon Denali XL 2015-2016 20152016
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