Avalanche 2500 2WD V8-8.1L VIN G (2002)
Housing Assembly HVAC: Service and Repair
Air Flow Control Box - Heater
REMOVAL PROCEDURE
1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
2. Reposition the inlet heater hose clamp from the heater core.
3. Remove the inlet heater hose from the heater core.
4. Reposition the outlet heater hose clamp from the heater core.
5. Remove the outlet heater hose from the heater core.
6. Remove the accumulator.
7. Remove the IP carrier.
8. Remove the heater/vent module drain hose.
9. Disconnect the electrical harnesses and the ground connections.
10. Remove the heater/vent module mounting nuts and the screws.
11. Remove the heater/vent module assembly from the vehicle.
INSTALLATION PROCEDURE
