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January 11, 2024 Service bulletin

This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to...

Chevrolet technical service bulletin 22-NA-240 for 2012-2020 Chevrolet Impala, 2010-2017 Chevrolet Equinox and 2019-2024 Chevrolet Blazer and others.

Bulletin number
22-NA-240
Component
Engine and engine cooling
Summary
This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair.

Owners of these vehicles have filed 6,958 complaints in the engine category.

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