This informational bulletin explains why more DEF is being used in diesel engines due to new emission...
Chevrolet technical service bulletin 20-NA-082 for 2020-2023 Chevrolet Silverado 1500, 2021-2023 Chevrolet Tahoe and 2022 Chevrolet Equinox and others.
- Bulletin number
- 20-NA-082
- Component
- Engine and engine cooling
- Summary
- This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
Owners of these vehicles have filed 4,456 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2020-2023 2020202120222023
- Chevrolet Tahoe 2021-2023 202120222023
- Chevrolet Equinox 2022 2022
- GMC Sierra 1500 2020-2023 2020202120222023
- Chevrolet Suburban 2021-2023 202120222023
- GMC Yukon 2021-2023 202120222023
- Chevrolet Silverado 2500 2020-2023 2020202120222023
- Chevrolet Colorado 2020-2021 20202021
- GMC Yukon XL 2021-2022 20212022
- GMC Sierra 2500 2020-2023 2020202120222023
- Cadillac Escalade 2021-2023 202120222023
- GMC Canyon 2020-2022 202020212022
- Chevrolet Suburban 1500 2021-2022 20212022
- Chevrolet Silverado 3500 2020-2023 2020202120222023
- Chevrolet Express 2020-2021 20202021
- GMC Sierra 3500 2020-2023 2020202120222023
- Cadillac Escalade ESV 2021-2023 202120222023
- GMC Savana 2020-2022 202020212022
- GMC Sierra Denali 2020 2020
- Cadillac Escalade Na 2021 2021
- Chevrolet Silverado 5500 2019-2021, 2023 2019202020212023
- Chevrolet Silverado 4500 2019-2023 20192020202120222023
- Chevrolet Silverado 6500 2019, 2021-2023 2019202120222023
- Chevrolet 6500 2019 2019
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