HVAC Housing

HOUSING-HVAC

NOTE: The HVAC housing must be removed from the vehicle and disassembled for service of the A/C evaporator.

NOTE: LHD model shown in illustrations. RHD model similar.





1. Remove the HVAC housing assembly and place it on a workbench HVAC Housing - Removal.
2. Remove the air distribution housing (3) from the HVAC housing (1) HVAC Housing - Removal.
3. Remove the air inlet housing (2) from the HVAC housing HVAC Housing - Removal.




4. Remove the two screws (1) that secure the flange (2) to the front of the HVAC housing (3).
5. Remove the flange and the heater core tubes (4) from the HVAC housing.




6. Disconnect the HVAC wiring harness (1) from the evaporator temperature sensor (2), blower motor resistor or power module (3) (depending on application) and the blower motor (4).
7. Disengage the two HVAC wire harness retainers (5) from the blower motor and remove the blower motor from the HVAC housing Removal.
8. Remove the blower motor resistor or power module, depending on application Removal or Blower Motor Power Module - Removal.
9. Remove the evaporator temperature sensor Removal.




10. Remove the two bolts (1) that secure the A/C expansion valve (2) to the evaporator tube tapping block located within the foam seal (3).
11. Remove the A/C expansion valve from the evaporator tube tapping block and foam seal.
12. Remove the O-ring seals from the evaporator tube fittings and discard.
13. Install plugs in, or tape over the opened evaporator tube fittings and all expansion valve ports.




14. Remove the HVAC wiring harness (1).
15. Remove the ten screws (2) that secure the upper half of the HVAC housing (3) to the lower half of the HVAC housing (4).
16. Separate the two halves of the HVAC housing.




17. Carefully lift the A/C evaporator (1) and foam seal (2) out of the lower half of the HVAC housing (3).
18. If required, remove the foam seal from the tapping block of the A/C evaporator. If the seal is deformed or damaged, it must be replaced.