Yukon/Denali 4WD V8-5.3L VIN T (2004)
Heater Core: Service and Repair
Heater Core Replacement - Auxiliary
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.
4. Remove the heater core (1) from the auxiliary HVAC module.
