There was one technical service bulletin issued for the 2018 Chevrolet Low Cab Forward 3500.
| Bulletin Date: | Sep. 17, 2019 |
| Component: | Engine and engine cooling. |
| Bulletin Summary: | This preliminary information communicates�a vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm. �a�broken rocker arms that could result in the valve dropping to the cylinder, causing a cata |
| Vehicles covered in this TSB: |
2017 Chevrolet Express,
2018 Chevrolet Express,
2017 Chevrolet Low Cab Forward 3500,
2018 Chevrolet Low Cab Forward 3500,
2017 Chevrolet Low Cab Forward 4500,
2018 Chevrolet Low Cab Forward 4500,
2017 Chevrolet Low Cab Forward 5500,
2018 Chevrolet Low Cab Forward 5500,
2018 Chevrolet Low Cab Forward 6500,
2017 Chevrolet Silverado,
2018 Chevrolet Silverado 2500,
2017 GMC Savana,
2018 GMC Savana,
2017 GMC Sierra,
2018 GMC Sierra Denali.
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Also see
Chevrolet vehicle common problems.