For 1990-2009 cars

Callout | Component Name
--- | ---

#### Preliminary Procedure

1. Remove the thermal expansion valve. Refer to Auxiliary Air Conditioning Evaporator Thermal Expansion Valve Replacement.
2. Remove the auxiliary HVAC module. Refer to Auxiliary HVAC Module Replacement
3. Disconnect the electrical connectors.

1 | Auxiliary Heater Core Cover Screw (Qty: 6). Caution: Refer to Fastener Caution in the Preface section. Tighten 1.5 N·m (13 lb in)
2 | Auxiliary Heater Core Cover
3 | Auxiliary Heater Core Assembly Tip Ensure the heater core gasket is in good condition upon installation.