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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) >> Installation Procedure

Installation 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.
    Fig 1: View Of Coolant Heater (LY7)
    GM1394085Courtesy of GENERAL MOTORS CORP.
  1. Install the coolant heater.
  2. Install the engine coolant heater cord to the engine coolant heater.
  3. Install the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
  4. Lower the vehicle.
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