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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1200 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Replacement (3.1 L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply a coat of GM P/N 12346004 or 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).
  3. Install the engine coolant heater.
    NOTE: Refer to FASTENER NOTICE .
  4. Tighten the engine coolant heater bolt.

    Tighten 

    Tighten the engine coolant heater bolt to 2 N.m (18 Ib 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 .
  8. Inspect for leaks.
    Fig 1: Positioning Engine Coolant Heater Element To 3 O'Clock Position
    G01703922Courtesy of GENERAL MOTORS CORP.
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