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Home >> Chevrolet >> 2020 >> Sonic LS >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust >> Repair Instructions >> Catalytic Converter Replacement >> Installation Procedure

Installation Procedure

  1. GM2609441Courtesy of GENERAL MOTORS COMPANY

    Install the catalytic converter into the catalytic converter brace (2) and loosely tighten the fasteners (1).

  2. GM2191860Courtesy of GENERAL MOTORS COMPANY

    Install a NEW clamp into the position shown and loosely tighten the clamp fastener (1).

  3. GM2609448Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Install the exhaust front pipe (3) to the catalytic converter with a NEW gasket (2) and tighten the fasteners (1) to 22 N.m (16 lb ft).

  4. GM2609441Courtesy of GENERAL MOTORS COMPANY

    Tighten the catalytic converter brace fasteners (1) to 22 N.m (16 lb ft).

  5. Install the drivetrain and front suspension frame skid plate. Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement .
  6. Lower the vehicle.
  7. GM2609439Courtesy of GENERAL MOTORS COMPANY

    Tighten the turbocharge clamp fastener (1) to 13 N.m (115 lb in).

  8. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUV) .
  9. Install the catalytic converter heated oxygen sensor - 1. Refer to Heated Oxygen Sensor Replacement - Sensor 1 .
  10. Start the engine and check for exhaust leaks.