Yukon/Denali XL 1500 2WD V8-5.3L VIN Z Flex Fuel (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: 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.
