This technical bulletin provides a procedure to replace the Air Intake Duct assy if found the
Chevrolet technical service bulletin 21NA254 for 2019-2020 Chevrolet Blazer.
- Bulletin number
- 21NA254
- Component
- Engine and engine cooling
- Summary
- This technical bulletin provides a procedure to replace the Air Intake Duct assy if found the cause of the customers concern.
Owners of these vehicles have filed 116 complaints in the engine category.
Vehicles covered
- Chevrolet Blazer 2019-2020 20192020
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