Front HVAC Housing

HOUSING-HVAC ASSEMBLY

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





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





5. Remove the screws that secure the blower motor (2) and the blower motor power module or resistor (3), depending on application, to the HVAC housing (1).
6. Remove the blower motor and the blower motor power module or resistor from the HVAC housing.





7. Remove the two bolts (1) that secure the A/C expansion valve (3) to the evaporator tube tapping block (2).
8. Remove the A/C expansion valve from the evaporator tube tapping block and remove and discard the O-ring seals.
9. Install plugs in, or tape over the opened evaporator tube fittings.





10. Remove the fifteen screws (1) and three metal retaining clips (2) that secure the upper half of the HVAC houing (3) to the lower half of the HVAC housing (4).

NOTE: Use care when separating the HVAC housing to prevent damage to the alignment pins located on the lower half of the housing.

11. Separate the two halves of the HVAC housing by lifting straight up on the upper half of the housing.





12. Remove the tapping block (1) from the the evaporator tubes.
13. Lift the A/C evaporator (2) and insulator (3) out of the lower half of the HVAC housing (4).
14. If required, remove the insulator from the A/C evaporator. If the insulator is deformed or damaged, it must be replaced.