Rainier 2WD V8-5.3L VIN P (2004)
Housing Assembly HVAC: Service and Repair
HVAC Module Assembly Replacement - Auxiliary
HVAC MODULE REPLACEMENT - AUXILIARY
REMOVAL PROCEDURE
1. Recover the refrigerant.
2. Drain the cooling system. Refer to Draining and Filling Cooling System (Body Vin Code 6) Draining and Filling Cooling System (Body Vin Code
3) in Cooling System.
3. Raise and support the vehicle. Refer to Vehicle Lifting.
4. Remove the nuts (3) from rear A/C line block fittings.
5. Remove the A/C line block fittings and discard the O-ring seals.
IMPORTANT:Cap or tape the open A/C refrigerant lines immediately.
6. Remove the nuts from the heater hoses block fittings.
7. Remove the heater hoses block fittings from the HVAC module-auxiliary.
8. Remove the nuts from the HVAC module studs.
9. Lower the vehicle.
10. Remove the right side rear quarter trim.