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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 >> Removal Procedure

Removal 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. Drain the engine coolant. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  2. Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  3. Disconnect the auxiliary heater rear pipes from the heater core inlet and outlet tubes.
  4. Disconnect the auxiliary heater rear pipes from the front pipes.
  5. Remove the pipe retainers from the body.
  6. Remove the auxiliary heater rear pipes.
    Fig 1: Removing Heater Pipe - Auxiliary Rear
    G01645659Courtesy of GENERAL MOTORS CORP.
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