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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 741 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Pipe Replacement - Inlet >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. 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 air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT in Removal & Installation.
  3. Remove the thermostat bypass pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT  in Engine Cooling.
  4. Disconnect the inlet heater hose (1) from the inlet pipe (2).
    Fig 1: Disconnecting Inlet Heater Hose From Inlet Pipe
    G01482515Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the electrical harness from the inlet pipe bracket.
    Fig 2: Disconnecting Electrical Harness From Inlet Pipe Bracket
    G01482516Courtesy of GENERAL MOTORS CORP.
  6. Remove the heater inlet pipe nut.
  7. Remove the inlet pipe from the thermostat housing.
    Fig 3: Removing Inlet Pipe From Thermostat Housing
    G01482517Courtesy of GENERAL MOTORS CORP.
  8. Remove and discard the O-ring seal.
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