GMC TSB #18338

2019 GMC Sierra 1500

TSB Document:

Affected 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.

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Date Published
OCT 24, 2018
NHTSA TSB #
10150651
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