This informational bulletin explains how the DEF filler pipe grommet can possible expand to the filler cap...
Chevrolet technical service bulletin 17NA076 for 2016-2020 Chevrolet Colorado and 2016-2020 GMC Canyon.
- Bulletin number
- 17NA076
- Component
- Engine and engine cooling: exhaust system
- Summary
- This informational bulletin explains how the DEF filler pipe grommet can possible expand to the filler cap causing the cap not to seal properly.
Owners of these vehicles have filed 200 complaints in the engine category.
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