Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
Remove the heater core access cover screws.
Remove the heater core access cover.

Fig 1: Heater Core

Courtesy of GENERAL MOTORS CORP.

Remove the heater core (2) from the HVAC module assembly (1).