This technical bulletin provides a procedure to install an oil cooler line fitting seal, including...
Chevrolet technical service bulletin 18NA026 for 2019 Chevrolet Silverado 1500, 2018 Chevrolet Tahoe and 2019 GMC Sierra 1500 and others.
- Bulletin number
- 18NA026
- Component
- Fuel system, gasoline
- Summary
- This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line retaining bolt passage.
Vehicles covered
- Chevrolet Silverado 1500 2019 2019
- Chevrolet Tahoe 2018 2018
- GMC Sierra 1500 2019 2019
- GMC Yukon 2018 2018
- Chevrolet Camaro 2017-2018 20172018
- GMC Yukon XL 2018 2018
- Cadillac Escalade 2018 2018
- Cadillac Escalade ESV 2018 2018
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