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Home >> Pontiac >> 2002 >> Aztek AWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling Fan >> Engine Cooling System >> Repair Instructions >> Coolant Heater Replacement >> Installation Procedure

Installation Procedure

  1. Apply GM P/N United States 12346004, GM P/N Canada 10953480 or equivalent to the coolant heater seal and the coolant heater hole.
    Fig 1: Ensuring Coolant Heater Element In Proper Position
    G01745834Courtesy of GENERAL MOTORS CORP.
  2. Ensure that the coolant heater element is horizontal and pointed toward the front of the engine.

    The 3 o'clock position (2) is DESIRED. The 2 o'clock position (1) and the 4 o'clock position (3) are acceptable.

  3. Install the coolant heater.
    NOTE: Refer to FASTENER NOTICE .
  4. Install the coolant heater bolt.

    Tighten

    Tighten the bolt to 2 N.m (18 lb in).

    NOTE: The heater cord must not touch the engine, hot pipes, manifold, or any moving parts. Route the cord to the left front of the engine compartment securing with tie straps as necessary to prevent damage.
    5. Fig 2: Installing Coolant Heater & Bolt
    G01745835Courtesy of GENERAL MOTORS CORP.
  5. Install the engine coolant heater cord to the engine coolant heater.
  6. Install the right engine splash shield. Refer to SPLASH SHIELD REPLACEMENT - ENGINE .
  7. Install the right front wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
  8. Lower the vehicle.
  9. Fill the engine cooling system. Refer to Draining and Filling Cooling System .
    Fig 3: Installing Engine Coolant Heater Cord To Coolant Heater
    G01745836Courtesy of GENERAL MOTORS CORP.
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