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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1115 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Replacement (LY7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
  3. Remove the engine coolant heater cord from the engine coolant heater.
    4. Fig 1: View Of Coolant Heater (LY7)
    GM1394085Courtesy of GENERAL MOTORS CORP.
  4. Remove the coolant heater.
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