LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (HVAC Systems - General Servicing) >> Repair Instructions >> Heater Core Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
  2. Remove the heater core access cover screws.
  3. Remove the heater core access cover.
    4. Fig 1: Heater Core
    GM741191Courtesy of GENERAL MOTORS CORP.
  4. Remove the heater core (2) from the HVAC module assembly (1).
scientia non olet · About LEMON Manuals