Express 1500 AWD V8-5.3L VIN T (2004)
Control Module HVAC: Service and Repair
HVAC CONTROL PROCESSOR REPLACEMENT - AUXILIARY
REMOVAL PROCEDURE
1. Lower the front headliner to access the HVAC control processor. Refer to Headliner Replacement - Front in Interior Trim.
2. Remove the HVAC control processor from the roof panel.
3. Remove the HVAC control processor access cover (3).
4. Remove the HVAC control processor (2) from the HVAC processor case (1).
INSTALLATION PROCEDURE
