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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 789 (Engine Exhaust System) >> Repair Instructions >> Catalytic Converter Replacement (LE5) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor 2 Replacement .
    3. Fig 1: View Of Catalytic Converter
    GM1650814Courtesy of GENERAL MOTORS CORP.
  3. Remove the catalytic converter to the resonator pipe nuts.
    4. Fig 2: Identifying Catalytic Converter
    GM1650757Courtesy of GENERAL MOTORS CORP.
  4. Remove the catalytic converter to the exhaust manifold nuts.
  5. Remove the catalytic converter.
  6. Remove and discard the exhaust gaskets.
  7. Clean the flange mating surfaces of any remaining gasket material.
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