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May 16, 2025 Service bulletin

This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.

Chevrolet technical service bulletin 23-NA-170 for 2019-2025 Chevrolet Silverado 1500, 2021-2025 Chevrolet Tahoe and 2022 Chevrolet Equinox and others.

Bulletin number
23-NA-170
Component
Engine
Summary
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.

Owners of these vehicles have filed 6,330 complaints in the engine category.

Vehicles covered

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