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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1887 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Outlet Hose Replacement (L66 at Heater Core) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Heater Outlet Hose Clamp & Heater Core
    GM1252528Courtesy of GENERAL MOTORS CORP.
  1. Drain the engine coolant. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (GE 47716 Fill) .
  2. Remove the air cleaner outlet duct from the vehicle. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  3. Remove the heater outlet hose clamp from the heater core.
  4. Remove the heater outlet hose from the heater core.
    5. Fig 2: Locating Heater Inlet Hose & Elbow Fitting
    GM1644896Courtesy of GENERAL MOTORS CORP.
  5. Remove the heater outlet hose clamp from the "T" fitting.
  6. Remove the heater outlet hose (1) from the "T" fitting.
    7. Fig 3: View Of Surge Tank Bolts
    GM931349Courtesy of GENERAL MOTORS CORP.
  7. Remove the heater outlet hose clamp from the surge tank.
  8. Remove the heater outlet hose from the surge tank.
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