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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 Pipe Replacement - Auxiliary Rear >> 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 rear pipes.
    Fig 1: Installing Heater Pipe - Auxiliary Rear
    G01645660Courtesy of GENERAL MOTORS CORP.
  2. Install the pipe retainers to the body.
  3. Connect the auxiliary heater rear pipes to the front pipes.
  4. Connect the rear pipes to the auxiliary heater core inlet and outlet tubes.
  5. Refill the cooling system with engine coolant. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  6. Lower the vehicle.
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