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November 8, 2017 Service bulletin

Customer Satisfaction

GMC technical service bulletin 17428 (Bulletin for 2018 GMC Acadia.

Bulletin number
17428 (Bulletin
Component
Engine and engine cooling
Summary
17428 - Customer Satisfaction. Certain vehicles, equipped with 2.5L Engines (RPO LCV), may have been built with an engine block with incomplete cylinder bore machining. Engines may demonstrate high oil consumption and/or unusual engine noise. Dealers will replace the engine assembly.

Owners of these vehicles have filed 37 complaints in the engine category.

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