Tools Required
J 39400-A Halogen Leak Detector
Removal Procedure
- Recover the refrigerant. Refer to
Refrigerant Recovery and Recharging
.
- Disconnect the battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Remove the instrument panel pad. Refer to
Instrument Panel Upper Trim Pad Replacement
in Instrument Panel,
Gages, and Console.
- Remove the inflatable instrument panel restraint module. Refer to
Inflatable Restraint Instrument Panel Module Replacement
in SIR.
- Remove the right side HVAC duct from the HVAC unit.
- Remove the lower radio bracket. Refer to
Radio Housing Bracket Replacement
in Entertainment.
- Remove the instrument panel right end bracket. Refer to
Instrument Panel End Bracket Replacement - Right Side
in Instrument Panel,
Gages, and Console.
- Remove the instrument panel center support bracket. Refer to
Instrument Panel Center Support Bracket Replacement
in Instrument Panel, Gages, and Console.
- Remove the radio antenna lead from the three retaining clips on the HVAC
unit.
- Mark and remove the heater hoses from the heater core pipes.
- Disconnect the water valve vacuum hose.
- Disconnect the vacuum supply hose from the check valve.
- Remove the Thermal Expansion Valve (TXV). Refer to
Thermal Expansion Valve Replacement
.
- Remove the fuel line retaining bracket and nut from the HVAC mounting
stud.
- Remove the HVAC unit mounting stud and screws.
- Remove the HVAC unit from the vehicle.
Installation Procedure
- Install the HVAC module assembly to the vehicle.
Notice: Refer to Fastener Notice in the Preface section.
- Install the screws from inside the vehicle which secure the HVAC module assembly
to the dash.
Tighten
Tighten the nuts to 6 N·m (53 lb in).
- Install the screws from inside the engine compartment which secure the
HVAC module assembly to the dash.
Tighten
Tighten the nuts to 10 N·m (89 lb in).
- Install the fuel line retaining bracket and nut to the HVAC mounting stud.
Tighten
Tighten the nut to 10 N·m (89 lb in).
- Install the Thermal Expansion Valve (TXV). Refer to
Thermal Expansion Valve Replacement
.
- Connect the vacuum supply hose to the check valve.
- Connect the water valve vacuum hose.
- Install the heater hoses to the heater core pipes.
- Install the radio antenna lead to the three retaining clips on the HVAC
unit.
- Install the instrument panel center support bracket. Refer to
Instrument Panel Center Support Bracket Replacement
in Instrument Panel, Gages, and Console.
- Install the instrument panel right end bracket. Refer to
Instrument Panel End Bracket Replacement - Right Side
in Instrument Panel,
Gages, and Console.
- Install the lower radio bracket. Refer to
Radio Housing Bracket Replacement
in Entertainment.
- Install the right side HVAC duct to the HVAC unit.
- Install the inflatable instrument panel restraint module. Refer to
Inflatable Restraint Instrument Panel Module Replacement
in SIR.
- Install the instrument panel pad. Refer to
Instrument Panel Upper Trim Pad Replacement
in Instrument Panel,
Gages, and Console.
- Connect the battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- 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 of the component using J 39400-A
.