This service bulletin provides a procedure to fix an oil leak from a porous area at the cylinder head and...
Chevrolet technical service bulletin 23-NA-122 for 2021-2024 Chevrolet Trailblazer, 2024 Chevrolet Trax and 2020-2024 Buick Encore GX and others.
- Bulletin number
- 23-NA-122
- Component
- Engine
- Summary
- This service bulletin provides a procedure to fix an oil leak from a porous area at the cylinder head and how to fix it so that the engine does not have to be replaced.
Owners of these vehicles have filed 211 complaints in the engine category.
Vehicles covered
- Chevrolet Trailblazer 2021-2024 2021202220232024
- Chevrolet Trax 2024 2024
- Buick Encore GX 2020-2024 20202021202220232024
- Buick Envista 2024 2024
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Trailblazer?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history