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January 10, 2024 Service bulletin

Fuel system, gasoline: storage

Chevrolet technical service bulletin PIT5161K for 2007-2024 Chevrolet Silverado 1500, 2007-2024 GMC Sierra 1500 and 2007-2024 Chevrolet Silverado 2500 and others.

Bulletin number
PIT5161K
Component
Fuel system, gasoline: storage
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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