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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1311 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Core Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Heater Core Outlet Cover & HVAC Module
    GM295347Courtesy of GENERAL MOTORS CORP.
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Remove the heater core outlet cover screws.
  3. Remove the heater core outlet cover.
    4. Fig 2: Heater Core Cover Screws
    GM295349Courtesy of GENERAL MOTORS CORP.
  4. Remove the heater core cover screws.
  5. Remove the heater core cover.
    6. Fig 3: Heater Core Cover Cavity Seals (1,2,3)
    GM143978Courtesy of GENERAL MOTORS CORP.
  6. Remove and discard the seals (1,2,3) from the heater core cover.
    7. Fig 4: Heater Core Outer Seal
    GM296242Courtesy of GENERAL MOTORS CORP.
  7. Remove and discard the heater core outer seal (5) from the heater core.
    8. Fig 5: Heater Core Pipe Retainer Clamp & Screw
    GM295351Courtesy of GENERAL MOTORS CORP.
  8. Remove the heater core retaining clamp screw (1).
  9. Remove the heater core retaining clamp.
  10. Remove the heater core pipe retainer clamp screw (2).
    11. Fig 6: Lower HVAC Module Case & Heater Core
    GM295353Courtesy of GENERAL MOTORS CORP.
  11. Remove the heater core from the HVAC module case - lower.
    12. Fig 7: Lower HVAC Module Case & Heater Core Lower Seal
    GM143987Courtesy of GENERAL MOTORS CORP.
  12. Remove and discard the heater core lower seal (4) from the HVAC module case - lower.
    13. Fig 8: Lower HVAC Module Case & Heater Core Center Seal
    GM143992Courtesy of GENERAL MOTORS CORP.
  13. Remove and discard the heater core center seal (3) from the HVAC module case - lower.
    14. Fig 9: Lower HVAC Module Case & Heater Core Upper Seal
    GM143985Courtesy of GENERAL MOTORS CORP.
  14. Remove and discard the heater core upper seal (2) from the HVAC module case - lower.
    15. Fig 10: Lower HVAC Module Case & Heater Core Side Seal
    GM143990Courtesy of GENERAL MOTORS CORP.
  15. Remove and discard the heater core side seals (1) from the HVAC module case - lower.
    16. Fig 11: Heater Core Pipe Retainer Clamp
    GM295355Courtesy of GENERAL MOTORS CORP.
  16. Remove the heater core pipe retainer clamp from the heater core pipes.

    Using a flat bladed tool, release the retaining tab and open the clamp.

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