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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1402 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Replacement (3.1L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply GM P/N 12346004, (Canadian P/N 10953480) or the equivalent to the following:
    • The engine block heater seal
    • The cleaned surface of the engine block heater hole
  2. Position the engine coolant heater element at the 3 o'clock position (2).
    Fig 1: Aligning Engine Coolant Heater
    G01969665Courtesy of GENERAL MOTORS CORP.
  3. Install the engine coolant heater.

    Final installed position between 2 o'clock (1) and 4 o'clock (3) is acceptable.

    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the engine coolant heater bolt.

    Tighten 

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

  5. Connect the engine coolant heater cord to the engine coolant heater.
  6. Lower the vehicle.
  7. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
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