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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 Hose Replacement - Outlet (L81) >> 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.
    Fig 1: Front Heater Outlet Hose & Rear Heater Outlet Hose
    GM933856Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Battery.
  2. Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
  3. Remove the battery box. Refer to Battery Box Replacement in Battery.
  4. Move the outlet hose splice clamp forward away from splice.
  5. Separate the front heater outlet hose from the rear heater outlet hose.
    6. Fig 2: Heater Outlet, Hose Clamp & Heater Core
    GM931798Courtesy of GENERAL MOTORS CORP.
  6. Remove the rear heater outlet hose clamp from the heater core outlet pipe.
  7. Remove the heater outlet hose from the heater core outlet pipe.
    8. Fig 3: Removing Front Heater Outlet Hose Clamp From Engine Port
    GM933846Courtesy of GENERAL MOTORS CORP.
  8. Remove the front heater outlet hose clamp from the engine port.
  9. Remove the front heater outlet hose clamp from the engine port.
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