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Home >> Chevrolet >> 2005 >> Optra5 Base, Standard >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust >> Repair Instructions >> Front Pipe Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Lower Bracket And Bolts
    GM1289537Courtesy of GENERAL MOTORS CORP.
  1. Remove the crossmember lower bracket with the bolts.
  2. Fig 2: View Of Exhaust Pipe Mounting Bracket Bolt And Catalytic Converter Flange Nuts
    GM1289526Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the oxygen sensor connector.
  4. Remove the exhaust front pipe mounting bracket bolt.
  5. Remove the nuts from the exhaust front pipe-to-catalytic converter flange.
  6. Fig 3: Identifying Exhaust Pipe To Muffler Nuts
    GM1289550Courtesy of GENERAL MOTORS CORP.
  7. Remove the nuts from the exhaust front pipe-to-exhaust front muffler.
  8. Remove the exhaust front pipe and the gasket.
  9. Clean the sealing surfaces on the exhaust front muffler pipe flange and the exhaust front pipe.
  10. Inspect the exhaust front pipe for holes, damage, open seams or other deterioration which could permit exhaust fumes to seep into the passenger compartment.