For 1990-2009 cars

### Removal Procedure

Important: Note the routing of the cable to make installation easier.

1. Disconnect the fresh/recirc control cable (3) at the heater case (1).
2. Remove the heater control unit (5). Refer to Control Assembly Replacement .
3. Disconnect the fresh/recirc control cable at the heater control unit.
4. Remove the fresh/recirc control cable from the instrument panel (IP).

### Installation Procedure

1. Position the fresh/recirc control cable (3) in the vehicle. Route the cable as previously noted.
2. Connect the fresh/recirc control cable (3) to the heater control unit.
3. Install the heater control unit (5). Refer to Control Assembly Replacement .
4. Connect the fresh/recirc control cable to the blower case (4).
5. Adjust the fresh/recirc control cable. Refer to Vent Control Cable Adjustment .