K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
Control Module HVAC: Service and Repair
HVAC System - Automatic
Auxiliary
REMOVAL PROCEDURE
1. Remove the right rear quarter trim panel.
2. Disconnect the electrical connector from the auxiliary blower motor processor (1).
3. Remove the retaining screws from the auxiliary blower motor processor (1).
4. Remove the auxiliary blower motor processor (1) from the auxiliary HVAC module (2).
INSTALLATION PROCEDURE
1. Install the auxiliary blower motor processor (1) to the auxiliary HVAC module (2).
2. Install the retaining screws to the auxiliary blower motor processor (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
3. Connect the electrical connector to the auxiliary blower motor processor (1).
4. Install the right rear quarter trim panel.
Primary
REMOVAL PROCEDURE
