The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot...
Chevrolet technical service bulletin 23-NA-032 for 2020-2023 Chevrolet Silverado 1500, 2021-2023 Chevrolet Tahoe and 2018-2019 Chevrolet Equinox and others.
- Bulletin number
- 23-NA-032
- Component
- Engine and engine cooling
- Summary
- The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.
Owners of these vehicles have filed 4,602 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2020-2023 2020202120222023
- Chevrolet Tahoe 2021-2023 202120222023
- Chevrolet Equinox 2018-2019 20182019
- GMC Sierra 1500 2020-2023 2020202120222023
- Chevrolet Suburban 2021-2023 202120222023
- GMC Yukon 2021-2023 202120222023
- Chevrolet Silverado 2500 2017-2023 2017201820192020202120222023
- Chevrolet Cruze 2017-2019 201720182019
- GMC Terrain 2018-2019 20182019
- GMC Yukon XL 2021-2023 202120222023
- GMC Sierra 2500 2017-2023 2017201820192020202120222023
- Chevrolet Silverado 3500 2017-2023 2017201820192020202120222023
- GMC Sierra 3500 2017-2023 2017201820192020202120222023
- Chevrolet Silverado 5500 2019-2021 201920202021
- Chevrolet Silverado 4500 2019-2022 2019202020212022
- Chevrolet Silverado 6500 2019, 2021-2022 201920212022
- Chevrolet 6500 2019 2019
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