This bulletin provides diagnostic information when checking the exhaust system for leaks.
Chevrolet technical service bulletin 22-NA-168 for 2020-2022 Chevrolet Silverado 1500, 2021-2022 Chevrolet Tahoe and 2020-2022 GMC Sierra 1500 and others.
- Bulletin number
- 22-NA-168
- Component
- Engine and engine cooling
- Summary
- This bulletin provides diagnostic information when checking the exhaust system for leaks.
Owners of these vehicles have filed 3,255 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2020-2022 202020212022
- Chevrolet Tahoe 2021-2022 20212022
- GMC Sierra 1500 2020-2022 202020212022
- Chevrolet Suburban 2021-2022 20212022
- GMC Yukon 2021-2022 20212022
- GMC Yukon XL 2021-2022 20212022
- Cadillac Escalade 2021-2022 20212022
- Chevrolet Suburban 1500 2021-2022 20212022
- Cadillac Escalade ESV 2020-2022 202020212022
- Cadillac Escalade Na 2021 2021
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