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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1318 (Engine Exhaust System) >> Repair Instructions >> Catalytic Converter Heat Shield Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 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 LIFTING & JACKING THE VEHICLE .
    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) .
    Fig 1: Catalytic Converter
    G01704131Courtesy of GENERAL MOTORS CORP.
  4. Remove the oxygen sensor wiring harness (3) from the catalytic converter heat shield.
    Fig 2: Oxygen Sensor Wiring Harness
    G01704132Courtesy of GENERAL MOTORS CORP.
  5. Remove the catalytic converter heat shield pop rivets.
  6. Remove the catalytic converter heat shield.
    Fig 3: Catalytic Converter Heat Shield & Pop Rivets
    G01704133Courtesy of GENERAL MOTORS CORP.
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