For 1990-2009 cars

### Removal Procedure

1. Remove the instrument panel from the vehicle.
2. Remove the wiring harness from the A/C module.
3. Slide the cable eyelet off the post on the temperature door lever.
4. Remove the mode motor ventilation link.
5. Remove the air inlet case with the screws.
6. Remove the evaporator core case cover.
7. Remove the heater core cover with the screws.
8. Remove the heater core clip.
9. Remove the heater core from the case.

### Installation Procedure

1. Install the heater core into the case.
2. Install the heater core clip.
3. Install the heater core cover.
4. Install and tighten the screws that secure the heater core cover to the aircon module.
5. Install the evaporator core case cover.
6. Install and tighten the screws that secure the evaporator core cover to the heater/air distributor case assembly.
7. Install the air inlet case with the screws.
8. Install the motor and the screws for the floor diverter.
9. Install the A/C module.