LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Replacement (4.8L, 5.3L, and 6.0L Engines) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Raise and suitably support the vehicle.
  3. Disconnect the coolant heater electrical connector (2).
    Fig 1: Disconnecting Coolant Heater Electrical Connector
    G02079202Courtesy of GENERAL MOTORS CORP.

    Important:  Do not score the surface of the engine block hole when removing the coolant heater.

  4. Remove the coolant heater from the engine block.
  5. Remove any burrs, sealer, paint or other rough spots.
    Fig 2: Removing Coolant Heater
    G02079203Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals