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Home >> Pontiac >> 2003 >> Sunfire Standard >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Catalytic Converter Replacement >> Installation Procedure

Installation Procedure

  1. Install the three-way catalytic converter seals.
    Fig 1: Installing Three-Way Catalytic Converter Seals
    G01581311Courtesy of GENERAL MOTORS CORP.
  2. Install the intermediate pipe bolts.

    Tighten 

    Tighten the intermediate pipe bolts to 30 N.m (22 ft lbs).

  3. Install the three-way catalytic converter to the exhaust manifold.
    Fig 2: Connecting Exhaust Pipe To Exhaust Manifold
    G01581312Courtesy of GENERAL MOTORS CORP.

    Tighten 

    Tighten the exhaust manifold pipe nuts (3) to 30 N.m (22 ft lbs).

  4. Install the post catalytic converter heated oxygen sensor.
    Fig 3: Installing Post Catalytic Converter Heated Oxygen Sensor
    G01581313Courtesy of GENERAL MOTORS CORP.
  5. Lower the vehicle.
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