HVAC Module Assembly Replacement
TOOLS REQUIREDJ 39400 Electronic Halogen Leak Detector
REMOVAL PROCEDURE
1. Disable the SIR system.
2. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.
3. Disconnect the evaporator hose assembly from the evaporator core.
4. Remove the heater hoses from heater core.
5. Remove the instrument panel assembly.
6. Remove the evaporator drain.
7. Remove the defroster nozzle.
8. Remove the heater duct.
9. Remove the heater and evaporator module retaining nuts.
10. Remove the heater and evaporator module assembly.
INSTALLATION PROCEDURE
1. Install the heater and evaporator module assembly.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the heater and evaporator module retaining nuts.
Tighten
Tighten the heater and A/C module retaining nuts to 9 N.m (80 lb in).
3. Install the heater duct.
4. Install the defroster nozzle.
5. Install the evaporator drain.
6. Install the instrument panel assembly.
7. Install the heater hoses to the heater core.
8. Connect the evaporator hose assembly to the evaporator core.
Tighten
Tighten the evaporator hose assembly to 20 N.m (15 lb ft).
9. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
10. Leak test the fitting of the repaired or reinstalled component using J 39400.
11. Enable the SIR system.