Rear Air Conditioning and Heating Assembly

The rear air conditioning and heating system assembly is removed as a complete unit. Further disassembly can be done on the bench. The door actuator motors, the blower motor, and heater blower motor resistor can be removed with the rear air conditioning and heater assembly in the vehicle.

Spring Lock Coupling Disconnect Tool Set:

SPECIAL SERVICE TO0L(S) REQUIRED

REMOVAL
1. Drain the engine coolant.
2. Disconnect the battery ground cable.
3. Discharge and recover the refrigerant from the A/C system.
4. Remove the LH quarter trim panel.







5. Remove the six rear air conditioning and heating assembly A/C outlet duct screws and the A/C outlet duct from the rear air conditioning and heating assembly.
6. Disconnect the heater blower motor electrical connector and heater blower motor resistor electrical connectors.







7. Disconnect the rear temperature blend door actuator motor electrical connector and rear vent door actuator motor electrical connector.







8. Raise and support the vehicle.
9. Use A/C Spring Lock Coupling Disconnect Tool Set T84L-19623-B and disconnect the two A/C tube lock coupling springs from under the vehicle.
10. Loosen the hose clamps and disconnect the two water hoses from the heater core.
11. Lower the vehicle.
12. Remove the four rear air conditioning and heating assembly bolts and remove the rear air conditioning and heating assembly from the vehicle.

INSTALLATION
1. Position the rear air conditioning and heating assembly in the vehicle. Install the four rear air conditioning and heating assembly bolts. Tighten the four rear air conditioning and heating assembly bolts securely.
2. Raise and support the vehicle.
3. Connect the two water hoses to the heater core. Tighten the hose clamps.
4. Connect the A/C pipes to the A/C evaporator core by securing the A/C tube lock coupling springs.
5. Lower the vehicle.
6. Connect the rear temperature blend door actuator motor electrical connector and rear vent door actuator motor electrical connector.
7. Connect the heater blower motor electrical connector and heater blower motor resistor electrical connectors.
8. Position the A/C outlet duct on the rear air conditioning and heating assembly. Install the six rear air conditioning and heating assembly A/C outlet duct screws. Tighten the six rear air conditioning and heating assembly A/C outlet duct screws securely.
9. Install the LH quarter trim panel.
10. Evacuate and charge the A/C system.
11. Connect the battery ground cable.
12. Fill the engine cooling system.