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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1100 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Core Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Remove the heater hose bracket screw.
  3. Fig 1: Removing/Installing Heater Hose Bracket
    GM756365Courtesy of GENERAL MOTORS CORP.
  4. Remove the heater hose bracket (1).
  5. Fig 2: Sliding Heater Core Out Of HVAC Module
    GM756369Courtesy of GENERAL MOTORS CORP.
  6. Slide the heater core out of the HVAC module.