This informational bulletin advises the technician on what to do if the DEF pump has been replaced and...
Chevrolet technical service bulletin 20NA110 for 2017-2021 Chevrolet Silverado 1500, 2018-2019 Chevrolet Equinox and 2020-2021 GMC Sierra 1500 and others.
- Bulletin number
- 20NA110
- Component
- Equipment: other: owners/service/other manual
- Summary
- This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.
Vehicles covered
- Chevrolet Silverado 1500 2017-2021 20172018201920202021
- Chevrolet Equinox 2018-2019 20182019
- GMC Sierra 1500 2020-2021 20202021
- Chevrolet Silverado 2500 2017-2021 20172018201920202021
- Chevrolet Cruze 2017-2019 201720182019
- Chevrolet Colorado 2016-2021 201620172018201920202021
- GMC Terrain 2017-2020 2017201820192020
- GMC Sierra 2500 2017-2021 20172018201920202021
- GMC Canyon 2016-2021 201620172018201920202021
- Chevrolet Express 2017-2021 20172018201920202021
- GMC Savana 2017-2021 20172018201920202021
- GMC Sierra Denali 2017-2019 201720182019
- Chevrolet Silverado 4500 2019-2020 20192020
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Silverado 1500?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history