This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive...
Chevrolet technical service bulletin 18NA361 for 2017-2020 Chevrolet Silverado 1500, 2017-2020 GMC Sierra 1500 and 2017-2020 Chevrolet Silverado 2500 and others.
- Bulletin number
- 18NA361
- Component
- Engine and engine cooling
- Summary
- This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
Owners of these vehicles have filed 1,784 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2017-2020 2017201820192020
- GMC Sierra 1500 2017-2020 2017201820192020
- Chevrolet Silverado 2500 2017-2020 2017201820192020
- GMC Sierra 2500 2017-2020 2017201820192020
- Chevrolet Silverado 3500 2017-2020 2017201820192020
- GMC Sierra 3500 2017-2020 2017201820192020
- Chevrolet Silverado 5500 2019-2020 20192020
- Chevrolet Silverado 4500 2019-2020 20192020
- Chevrolet Silverado 6500 2019 2019
- Chevrolet 6500 2019 2019
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