For 1990-2009 cars

### Removal Procedure

1. Remove the HVAC module assembly from the vehicle. Refer to HVAC Module Assembly Replacement.
2. Remove the four screws.
3. Remove the two 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 two mounting brackets (1) and four screws.
2. Install the HVAC module assembly to the vehicle. Refer to HVAC Module Assembly Replacement.