K 2500 Yukon XL 4WD V8-8.1L VIN G (2001)
Housing Assembly HVAC: Service and Repair
Heater/Vent Module Replacement
HEATER/VENT MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Drain the engine coolant.
2. If equipped remove the auxiliary battery.
3. Disconnect the heater hoses. See: Heater Hose/Service and Repair
4. Remove the accumulator. See: Accumulator HVAC/Service and Repair
5. Remove the instrument panel carrier. See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Service and Repair/Instrument
Panel (I/P) Carrier Replacement
6. Remove the HVAC module drain hose.
7. Disconnect the electrical harnesses and the ground connections as needed.
8. Remove the mounting nuts and the screws from the HVAC module.
9. Remove the HVAC module assembly from the vehicle.
INSTALLATION PROCEDURE