gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - Instrument Panel > < Control Module HVAC|Service and Repair
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1. Install the HVAC control processor (2) to the HVAC processor case (1).

2. Install the HVAC control processor access cover (3).
3. Install the HVAC control processor to the roof panel.
4. Install the front headliner. 

Relays and Modules - Instrument Panel > < Control Module HVAC|Service and Repair