LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1772 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Core Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
  2. Remove the heater outlet hose from the heater core. Refer to Heater Hose Replacement - Outlet (L61)  or Heater Hose Replacement - Outlet (L81) .
  3. Remove the heater inlet hose from the heater core. Refer to Heater Hose Replacement - Inlet (L61)  or Heater Hose Replacement - Inlet (L81) .
  4. Remove the instrument panel retainer. Refer to Instrument Panel (I/P) Retainer Replacement in Instrument Panel, Gages, and Console.
  5. Remove the shift control bracket. Refer to Transmission Shift Control Bracket Replacement in Manual Transmission - Getrag 5, Transmission Shift Control Bracket Replacement in Automatic Transaxle - AF33-5.
    6. Fig 1: Heater Duct, Screws & Heater Core Cover
    GM933065Courtesy of GENERAL MOTORS CORP.
  6. Remove the heater duct screws.
  7. Remove the heater duct.
    8. Fig 2: Heater Core Cover, Screws & Evaporator Case Assembly
    GM933022Courtesy of GENERAL MOTORS CORP.
  8. Remove the heater core cover screws.
  9. Remove the heater core cover.
    10. Fig 3: Heater Core Pipe Cover
    GM932938Courtesy of GENERAL MOTORS CORP.
  10. Remove the heater core pipe cover screw.
  11. Remove the heater core pipe cover.
  12. Remove the heater core pipe foam seal.
    13. Fig 4: Heater Core & End Tanks
    GM932945Courtesy of GENERAL MOTORS CORP.
  13. Grasp the heater core at end tanks and remove heater core. Spray the perimeter of the heater core seal and the heater core pipes at the front of dash with a soap and water mixture to ease removal.
scientia non olet · About LEMON Manuals