Tools Required
J 39400-A
Halogen Leak Detector
Removal Procedure
- Recover the refrigerant from the air conditioning (A/C) system. Refer to
Refrigerant Recovery and Recharging
.
- Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
Important: The defroster door must be closed to allow clearance during defroster duct removal.
- Set the heating, ventilation and air conditioning (HVAC) controls in the vent setting to close the defroster door.
- Remove the blower motor. Refer to
Blower Motor Replacement
.
- Disconnect the electrical connector from the blower motor resistor.
- Disconnect the electrical connector from the evaporator temperature sensor.
- Disconnect all of the HVAC actuator electrical connectors.
- Remove the instrument panel (I/P) carrier. Refer to
Instrument Panel Carrier Replacement
in Instrument Panel, Gages, and Console.
- Remove the evaporator outlet tube nut.
- Disconnect the evaporator outlet tube and evaporator inlet tube from the thermal expansion valve (TXV).
- Remove and discard the sealing washers.
- Remove the heater inlet and outlet hoses. Refer to
Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement
.
- Remove the HVAC module nuts.
Installation Procedure
Important: Ensure proper alignment of the HVAC module and drain tube through the cowl.
- Install the HVAC module.
Notice: Refer to Fastener Notice in the Preface section.
- Instal the HVAC module to dash panel sound barrier nuts.
Tighten
Tighten the nuts to 10 N·m (89 lb in).
- Install the heater inlet and outlet hoses. Refer to
Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement
.
- Install NEW sealing washers.
- Connect the evaporator inlet and outlet tube block to the TXV.
- Install the evaporator tube block nut.
Tighten
Tighten the nut to 16 N·m (12 lb ft).
- Install the I/P carrier. Refer to
Instrument Panel Carrier Replacement
in Instrument Panel, Gages, and Console.
- Connect all of the HVAC actuator electrical connectors.
- Connect the electrical connector to the evaporator temperature sensor.
- Connect the electrical connector to the blower motor resistor.
- Install the blower motor. Refer to
Blower Motor Replacement
.
- Fill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Evacuate and recharge the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fittings using the
J 39400-A
.