Structure
Chevrolet technical service bulletin PIT6145 for 2019-2021, 2023-2024 Chevrolet Silverado 5500, 2019-2024 Chevrolet Silverado 4500 and 2019, 2021-2023, 2025 Chevrolet Silverado 6500 and others.
- Bulletin number
- PIT6145
- Component
- Structure
- Summary
- This Preliminary information communicates information to verify if the vehicle frame has been lengthened or shorted as a result of the vehicle upfit. Dealer to refer to GM Upfitter bulletin 171 if frame has been modified.
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