Tools Required
J 39400-A Halogen
Leak Detector
Removal Procedure
- Recover the refrigerant from the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Remove the left wiper arm linkage nuts.
Reposition
the left wiper arm linkage for access.
Important: The defroster door must be closed to allow clearance during defroster
duct removal.
- Set the 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 cross vehicle beam. Refer to
Instrument Panel Tie Bar Replacement
in Instrument Panel, Gages and
Console.
- Remove the evaporator
outlet tube nut.
- Disconnect the evaporator outlet tube.
- Disconnect the evaporator inlet tube.
- Remove the heater inlet hose from the heater core. Refer to
Heater Inlet Hose Replacement
.
- Remove the heater outlet hose from the heater core. Refer to
Heater Outlet Hose Replacement
.
- Remove the HVAC module
to dash panel sound barrier nuts.
- Remove the HVAC module assembly from the cowl.
Installation Procedure
Important: Ensure proper alignment of the HVAC module assembly and HVAC module
drain tube through the cowl.
- Install the HVAC module assembly to the cowl.
- Install the HVAC module
assembly to dash panel sound barrier nuts.
Do not tighten the
HVAC module assembly nuts at this time.
- Install the heater outlet hose to the heater core. Refer to
Heater Outlet Hose Replacement
.
- Install the heater inlet hose from the heater core. Refer to
Heater Inlet Hose Replacement
.
- Using a lint-free clean, dry cloth, carefully clean the sealing
surfaces of the A/C refrigerant lines and the TXV.
Important: Flat washer type seals do not require lubrication.
- Install the new sealing washers.
- Connect the evaporator inlet tube to the evaporator outlet tube.
- Connect the evaporator inlet and outlet tubes to the TXV.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the evaporator outlet tube nut at the TXV.
Tighten
Tighten the nut to 16 N·m (12 lb ft).
- Install the cross vehicle beam. Refer to
Instrument Panel Tie Bar Replacement
in Instrument Panel, Gauges 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
.
- Install the HVAC module
assembly to dash panel sound barrier nuts.
Tighten
Tighten the nuts to 10 N·m (89 lb in).
- Install the left wiper arm linkage.
- Install the left wiper arm linkage nuts.
Tighten
Tighten the nuts to 5 N·m (44 lb in).
- Fill the coolant 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 of the component using J 39400-A
.