Service Update
Chevrolet technical service bulletin 18338 for 2019 Chevrolet Silverado 1500 and 2019 GMC Sierra 1500.
- Bulletin number
- 18338
- Component
- Equipment: appliance: air conditioner
- Summary
- 18338 - Service Update. Certain vehicles may have a linkage to the HVAC front defrost door that is not fully seated and it may disconnect over time. Inspect the defrost linkage and repair if the linkage is not fully seated.
Vehicles covered
- Chevrolet Silverado 1500 2019 2019
- GMC Sierra 1500 2019 2019
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