For 1990-2009 cars

### Removal Procedure

1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
2. Remove the screws to separate the HVAC module assembly halves.
3. Remove the evaporator temperature sensor control module screw.
4. Reposition the evaporator temperature sensor control module.
5. Separate the HVAC module assembly (1, 4).
6. Remove the evaporator temperature sensor from the evaporator.
7. Remove the evaporator core (1) from the HVAC module assembly.

### Installation Procedure

Important: If replacing the evaporator core, add the refrigerant oil to the evaporator core. Refer to Refrigerant System Capacities for system capacity information.

1. Install the seal between the HVAC module assembly halves.
2. Install the evaporator core (1) to the HVAC module assembly.
3. Install the evaporator temperature sensor to the evaporator core.
4. Assemble the HVAC module assembly.

Notice: Refer to Fastener Notice in the Preface section.

5. Install the screws to join the HVAC module assembly halves.

Tighten
Tighten the screws to 1.9 N·m (17 lb in).

6. Install the evaporator temperature sensor control module screw.

Tighten
Tighten the to 1.9 N·m (17 lb in).

7. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .