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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 142 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSCATALYTIC CONVERTER REPLACEMENTINSTALLATION PROCEDURE
2001 Chevrolet Cavalier LS, 2.4 T

Installation Procedure

2001 Chevrolet Cavalier LS, 2.4 TSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  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.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.