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February 16, 2026 Service bulletin

Unknown or other

Chevrolet technical service bulletin PIT4506J for 2007-2026 Chevrolet Silverado 2500, 2007-2026 GMC Sierra 2500 and 2007 Chevrolet Suburban 1500 and others.

Bulletin number
PIT4506J
Component
Unknown or other
Summary
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.

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