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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 Module Replacement - Auxiliary >> Installation Procedure

Installation Procedure

  1. Install the auxiliary heater module.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the bolts that retain the auxiliary heater module to the floor.

    Tighten 

    Tighten the bolts to 5 N.m (44 lb in).

  3. Connect the auxiliary heater pipes to the auxiliary heater module.
  4. Install the auxiliary heater pipe clamps.
  5. Install the auxiliary heater module cover.
    Fig 1: Installing Auxiliary Heater Module
    G01645675Courtesy of GENERAL MOTORS CORP.
  6. Install the auxiliary heater module cover retaining screws.

    Tighten 

    Tighten the screws to 5 N.m (44 lb in).

    Fig 2: Installing Auxiliary Heater Module Cover & Retaining Screws
    G01645676Courtesy of GENERAL MOTORS CORP.
  7. Install the body side front lower trim panel. Refer to TRIM PANEL REPLACEMENT - BODY SIDE FRONT LOWER in Interior Trim.
  8. Refill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
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