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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1247 (Engine Exhaust System) >> Repair Instructions >> Catalytic Converter Heat Shield Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to JACKING AND LIFTING in General Information.
    NOTE: To prevent internal damage to the flexible coupling of the catalytic converter assembly, the converter must be supported. The vertical movement at the rear of the catalytic converter assembly must not exceed 6 degrees up or down.
  2. Support the exhaust system.
  3. Remove the catalytic converter. Refer to CATALYTIC CONVERTER REPLACEMENT (3.1L)  or CATALYTIC CONVERTER REPLACEMENT (3.8L)  .
  4. Remove the oxygen sensor wiring harness (3) from the catalytic converter heat shield.
    Fig 1: Removing Oxygen Sensor Wiring Harness From Catalytic Converter Heat Shield
    G02080753Courtesy of GENERAL MOTORS CORP.
  5. Remove the catalytic converter heat shield rivets.
  6. Remove the catalytic converter heat shield.
    Fig 2: Removing Catalytic Converter Heat Shield
    G02080754Courtesy of GENERAL MOTORS CORP.
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