C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
Housing Assembly HVAC: Service and Repair
HVAC Module Assembly Replacement - Auxiliary
REMOVAL PROCEDURE
1. Recover the refrigerant from the A/C system.
2. Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
4. Disconnect the heater lines (2,3) from the auxiliary HVAC module at the underside of the vehicle.
5. Disconnect the air conditioning lines (2,3) from the auxiliary HVAC module at the underside of the vehicle.
