THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris...
Chevrolet technical service bulletin 21NA237 for 2019-2021 Chevrolet Silverado 1500, 2021 Chevrolet Tahoe and 2019-2021 GMC Sierra 1500 and others.
- Bulletin number
- 21NA237
- Component
- Unknown or other
- Summary
- THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.
Vehicles covered
- Chevrolet Silverado 1500 2019-2021 201920202021
- Chevrolet Tahoe 2021 2021
- GMC Sierra 1500 2019-2021 201920202021
- Chevrolet Suburban 2021 2021
- GMC Yukon 2021 2021
- Chevrolet Silverado 2500 2020-2021 20202021
- GMC Yukon XL 2021 2021
- GMC Sierra 2500 2020-2021 20202021
- Cadillac Escalade ESV 2021 2021
- Cadillac Escalade Na 2021 2021
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