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October 25, 2019 Service bulletin

Fuel system, gasoline

Chevrolet technical service bulletin PIT5161G for 2007-2014, 2018-2019 Chevrolet Silverado 1500, 2007-2010, 2012-2014, 2018-2019 GMC Sierra 1500 and 2017 Chevrolet Silverado and others.

Bulletin number
PIT5161G
Component
Fuel system, gasoline
Summary
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.

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