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GMC TSB #12313D
2011 GMC Terrain
TSB Document:
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- 12313D - Special Coverage. On some vehicles, equipped with a 2.4L engine (RPO LAF), the chrome layer on the balance chain pins may wear, allowing the chain to stretch. This would cause an engine noise, and if left untreated, could cause the chain to break, leading to engine damage.
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