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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1391 (Heating, Ventilation And Air Conditioning) >> Repair Instruction >> Heater Hose Replacement - Outlet (3.1L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  2. Remove the fuel injector sight shield. Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) in Engine Mechanical - 3.L.
  3. Use J 38185  in order to reposition the heater hose outlet clamp.
  4. Disconnect the heater outlet hose (2) from the outlet pipe.
    Fig 1: Aligning Heater Outlet Hose Clamps From Outlet Pipe (3.1L)
    G01568687Courtesy of GENERAL MOTORS CORP.
  5. Use J 38185  in order to reposition the heater core outlet hose clamp.
  6. Disconnect the heater outlet hose from the heater core.
    Fig 2: Identifying Heater Outlet Hose From Heater Core
    G01568688Courtesy of GENERAL MOTORS CORP.
  7. Remove the heater outlet hose.
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