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Removal Procedure

WARNING: Refer to Exhaust Service Warning .
WARNING: Refer to Protective Goggles and Glove Warning .
CAUTION: Do not bend the exhaust flex pipe more than 10 degrees in any direction. Bending of more than 10 degrees or twisting in a range of ± 0.5 degrees will damage the exhaust flex decoupler.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  3. Remove the turbocharger wastegate actuator vacuum control solenoid valve heat shield. Refer to Turbocharger Wastegate Actuator Vacuum Control Solenoid Valve Splash Shield Replacement .
  4. Remove the catalytic converter heat shield. Refer to Catalytic Converter Heat Shield Replacement (2.0L Diesel LUZ) .
  5. Loosen the pressure sensor pipe from EGR cooler and intake manifold. Refer to Exhaust Pressure Sensor Pipe Replacement .
  6. Remove the exhaust pressure pipe hoses from the catalytic converter pipes after loosen the catalytic converter from the turbocharger. Refer to Exhaust Pressure Sensor Pipe Replacement .
  7. Remove the 3 catalytic converter nuts (4) from three way catalytic converter.
    Fig 1: Catalytic Converter Nuts
    GM3462344Courtesy of GENERAL MOTORS COMPANY
  8. Remove the 2 catalytic converter brace bracket bolt (5).
  9. Remove the 2 catalytic converter brace bracket nuts (3).
  10. Loosen the catalytic converter clamp (1).
  11. Remove the catalytic converter (2).
  12. Remove and DISCARD the catalytic converter clamp (1).
  13. Remove and DISCARD the catalytic converter gasket.
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