K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
Heater Core: Service and Repair
Heater Core Replacement - Auxiliary
REMOVAL PROCEDURE
1. Remove the auxiliary HVAC module (4) from the vehicle. See: Heating and Air Conditioning/Housing Assembly HVAC/Service and Repair
2. Remove the air temperature actuator (1) from the auxiliary HVAC module.
3. Remove the heater core cover (1) from the auxiliary HVAC module.
