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November 20, 2020 Service bulletin

Equipment adaptive/mobility

Chevrolet technical service bulletin PIT5404G for 2014-2017 Chevrolet Silverado 1500, 2015-2017 Chevrolet Tahoe and 2014-2017 GMC Sierra 1500 and others.

Bulletin number
PIT5404G
Component
Equipment adaptive/mobility
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.

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