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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Heater Pipe Replacement - Auxiliary Front >> Installation Procedure

Installation Procedure

  1. Install the auxiliary heater front pipes (5).
  2. Connect the auxiliary heater front pipes (5) to the heater hoses (1).
  3. Install the front pipe retaining clips (4) that retains the front pipes (5) to the body.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the bolts (3) that retain the front pipes (5) to the body.

    Tighten 

    Tighten the bolts to 4 N.m (35 lb in).

    Fig 1: Installing Heater Pipe - Auxiliary Front
    G01645658Courtesy of GENERAL MOTORS CORP.
  5. Connect the auxiliary heater front pipes (5) to the rear pipes.
  6. Fill the cooling system with engine coolant. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  7. Lower the vehicle.
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