Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on...
Chevrolet technical service bulletin 25-NA-339 for 2021-2024 Chevrolet Silverado 1500, 2021-2024 Chevrolet Tahoe and 2021-2024 GMC Sierra 1500 and others.
- Bulletin number
- 25-NA-339
- Component
- Engine
- Summary
- Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on vehicle engines within the identified suspect VIN population. If the engine passes the PICO test, the engine oil will be changed from 0W20 to Mobil 1 Supercar 0W40 dexosR. From that point forward, the engine must use 0W40 dexosR oil products for all future oil change services.
Owners of these vehicles have filed 4,646 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2021-2024 2021202220232024
- Chevrolet Tahoe 2021-2024 2021202220232024
- GMC Sierra 1500 2021-2024 2021202220232024
- Chevrolet Suburban 2021-2024 2021202220232024
- GMC Yukon 2021-2024 2021202220232024
- Chevrolet Silverado 2500 2021-2024 2021202220232024
- GMC Yukon XL 2021-2024 2021202220232024
- GMC Sierra 2500 2021-2024 2021202220232024
- Cadillac Escalade 2021-2024 2021202220232024
- Chevrolet Suburban 1500 2021-2024 2021202220232024
- Chevrolet Silverado 3500 2021-2024 2021202220232024
- GMC Sierra 3500 2021-2024 2021202220232024
- Cadillac Escalade ESV 2021-2024 2021202220232024
- GMC Yukon XL 1500 2023 2023
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