GMC TSB #17428 (Bulletin
2018 GMC Acadia
Affected 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.