This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking...
Chevrolet technical service bulletin 25-NA-037 for 2019-2025 Chevrolet Silverado 1500, 2019-2025 GMC Sierra 1500 and 2023-2025 Chevrolet Colorado and others.
- Bulletin number
- 25-NA-037
- Component
- Engine
- Summary
- This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire or rough run and what to replace if found the cause.
Owners of these vehicles have filed 3,689 complaints in the engine category.
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