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Removal Procedure

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    Fig 1: View Of Engine Protection Shield
    GM349061Courtesy of GENERAL MOTORS CORP.
  1. Raise and suitably support the vehicle. Refer to LIFTING & JACKING THE VEHICLE .
  2. Remove the engine shield bolts and shield, if necessary.
    3. Fig 2: View of Oil Pan Skid Plate & Bolts
    GM339429Courtesy of GENERAL MOTORS CORP.
  3. Remove the oil pan skid plate bolts and plate, if necessary.
    4. Fig 3: View Of Transmission & HO2S Sensor Electrical Connector
    GM665040Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the CPA retainer.
  5. Disconnect the oxygen sensor electrical connector (1).
  6. Support the catalytic converter or exhaust manifold pipe with adjustable jackstands.
    7. Fig 4: View of Right Exhaust Manifold Pipe Nuts
    GM664826Courtesy of GENERAL MOTORS CORP.
  7. Remove the right exhaust manifold pipe nuts.
    8. Fig 5: View of Left Exhaust Manifold Pipe Nuts
    GM309165Courtesy of GENERAL MOTORS CORP.
  8. Remove the left exhaust manifold pipe nuts.
  9. Remove the exhaust hanger mounting bracket bolts.
  10. Lower the catalytic converter or exhaust manifold pipe using the adjustable jackstands.
  11. Remove the exhaust manifold pipe seal(s).
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