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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1909 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Outlet Hose Replacement (HP5 Pump to Engine) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the coolant. Refer to Cooling System Draining and Filling (Static Fill With HP5) or Cooling System Draining and Filling (Static Fill Without HP5) or Cooling System Draining and Filling (GE 47716 Fill With HP5) or Cooling System Draining and Filling (GE 47716 Fill Without HP5)
  2. Remove the drive motor generator control module assembly. Refer to Drive Motor Generator Control Module Assembly Replacement
    3. Fig 1: Heater Outlet Hose At Thermostat Housing
    GM2159911Courtesy of GENERAL MOTORS CORP.
  3. Using J 38185:  Hose Clamp Pliers disengage the tension on the hose clamp (1) and remove the heater outlet hose (2) from the thermostat housing.
    4. Fig 2: Heater Outlet Hose At Heater Coolant Pump
    GM2159914Courtesy of GENERAL MOTORS CORP.
  4. Using J 38185:  Hose Clamp Pliers disengage the tension on the hose clamp (1) and remove the heater outlet hose (2) from the heater coolant pump.
  5. Remove the heater outlet hose - pump to engine from the vehicle.
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