For 1990-2009 cars

### Removal Procedure

1. Remove the HVAC module assembly from the vehicle. Refer to HVAC Module Assembly Replacement .
2. Remove the 4 screws.
3. Remove the 2 heater core mounting brackets (1).
4. Remove the heater core from the HVAC module assembly.

### Installation Procedure

1. Install the heater core to the HVAC module assembly. Secure with the 2 mounting brackets (1) and 4 screws.
2. Install the HVAC module assembly to the vehicle. Refer to HVAC Module Assembly Replacement .