This informational bulletin provides information on characteristics of the new engine versus the old engine.
Chevrolet technical service bulletin 18NA334 for 2017-2018 Chevrolet Silverado 1500, 2017-2018 GMC Sierra 1500 and 2019 Chevrolet Silverado 2500 and others.
- Bulletin number
- 18NA334
- Component
- Engine
- Summary
- This informational bulletin provides information on characteristics of the new engine versus the old engine.
Owners of these vehicles have filed 399 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2017-2018 20172018
- GMC Sierra 1500 2017-2018 20172018
- Chevrolet Silverado 2500 2019 2019
- GMC Sierra 2500 2019 2019
- Chevrolet Silverado 3500 2019 2019
- GMC Sierra 3500 2019 2019
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