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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1782 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the engine cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
  2. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  3. Remove the right front wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  4. Remove the right engine splash shield. Refer to SPLASH SHIELD REPLACEMENT - ENGINE in Body Front End.
  5. Remove the engine coolant heater cord from the engine coolant heater.
  6. Loosen the coolant heater bolt.
    Fig 1: Removing Engine Coolant Heater Cord From Engine Coolant Heater
    G01501003Courtesy of GENERAL MOTORS CORP.
  7. Remove the coolant heater.
Fig 2: Removing Coolant Heater
G01501004Courtesy of GENERAL MOTORS CORP.
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