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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 755 (Engine Exhaust System) >> Repair Instructions >> Catalytic Converter Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Replace the entire converter assembly in order to properly service the 3-way catalytic converter.

  1. Raise and suitably support the vehicle. Refer to JACKING AND LIFTING in General Information.
  2. Disconnect the Heated Oxygen Sensor connector Refer to ENGINE CONTROLS - REMOVAL & INSTALLATION & OVERHAUL  in Removal and Installation in Engine Performance.
  3. Remove the exhaust manifold pipe nuts from the exhaust manifold pipe studs.
    Fig 1: Removing Exhaust Manifold Pipe Nuts From Exhaust Manifold Pipe Studs
    G01485985Courtesy of GENERAL MOTORS CORP.
  4. Remove the catalytic converter nuts from the exhaust pipe.
  5. Remove the 3-way catalytic converter.
    Fig 2: Removing 3-Way Catalytic Converter
    G01485986Courtesy of GENERAL MOTORS CORP.
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