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July 3, 2025 Service bulletin

Unknown or other

Chevrolet technical service bulletin PIT5691E for 2019-2021, 2023-2025 Chevrolet Silverado 5500, 2022 Chevrolet 5500HD and 2019-2025 Chevrolet Silverado 4500 and others.

Bulletin number
PIT5691E
Component
Unknown or other
Summary
This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks.

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