This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
Chevrolet technical service bulletin 21NA095 for 2020-2022 Chevrolet Silverado 1500, 2020-2022 Chevrolet Tahoe and 2020-2022 GMC Sierra 1500 and others.
- Bulletin number
- 21NA095
- Component
- Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
- Summary
- This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
Owners of these vehicles have filed 3,130 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2020-2022 202020212022
- Chevrolet Tahoe 2020-2022 202020212022
- GMC Sierra 1500 2020-2022 202020212022
- Chevrolet Suburban 2020-2022 202020212022
- GMC Yukon 2020-2022 202020212022
- GMC Yukon XL 2020-2022 202020212022
- Cadillac Escalade ESV 2021 2021
- Cadillac Escalade Na 2021 2021
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