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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 802 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Module Replacement - Auxiliary >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  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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