Rear HVAC Housing Removal
REMOVAL
WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation Warning and Caution . Failure to follow these instructions may result in serious or fatal injury.
NOTE: The rear HVAC housing must be removed from the vehicle for service of the mode door actuator, blend door actuator, blower motor and blower motor resistor and it must be disassembled for service of the A/C evaporator, heater core, mode-air door and blend-air door.
NOTE: Illustration shown with rear body cradle removed for clarity.
1. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the refrigerant system Refrigerant System Recovery.
3. Drain the engine cooling system Service and Repair.
4. Raise and support the vehicle.
5. Remove the right rear tire and wheel assembly and the right rear quarter liner Splash Shield - Removal.
6. Remove the nut (1) that secures the underbody refrigerant lines (2) to the rear A/C expansion valve (3) which extends through the rear floor panel (4) behind the right rear wheel housing.
7. Disconnect the rear underbody refrigerant lines from the rear A/C expansion valve and remove and discard the O-ring seals.
8. Install plugs in, or tape over the opened underbody refrigerant line fittings and rear expansion valve ports.
9. Disconnect the rear heater hoses (6) from the rear heater core tubes (5) which extends through the rear floor panel.
10. Lower the vehicle.
11. Remove the right interior quarter trim panel Quarter Trim Panel - Removal.
12. Disengage the retainer that secures the distribution duct (1) to the rear of the HVAC housing (2) and remove the duct
13. Disconnect the rear HVAC wire harness connector (3) from the body wire harness connector (4).
14. Remove the one nut and one bolt (2) that secure the rear HVAC housing (3) to the rear interior quarter panel (1).
15. Remove the rear HVAC housing from the vehicle and if required, remove the distribution duct (4) from the front of the HVAC housing.