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Home >> Chevrolet >> 2007 >> Optra LT, Automatic >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical - 1.4L DOHC >> Repair Instructions >> Exhaust Manifold Removal >> Removal Procedure

Removal Procedure

    Fig 1: View Of Exhaust Manifold Heat Shield And Bolts
    GM1291202Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
    2. NOTE: Refer to Oxygen Sensor Notice .
  2. Disconnect the oxygen sensor connector.
  3. Remove the exhaust manifold heat shield.
    4. Fig 2: View Of Exhaust Manifold Nuts And Pup Converter
    GM1291211Courtesy of GENERAL MOTORS CORP.
  4. Remove the exhaust manifold nuts from the pup converter.
    5. Fig 3: View Of Exhaust Manifold Retaining Nut Sequence
    GM1291215Courtesy of GENERAL MOTORS CORP.
  5. Remove the exhaust manifold retaining nuts in the sequence shown and remove the exhaust manifold.
  6. Remove the exhaust manifold gasket.
  7. Clean the sealing surfaces of the exhaust manifold and the cylinder head.
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