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Home >> Chevrolet >> 2007 >> Optra5 LS, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.0L (L34 GMDAT) >> Repair Instructions >> Exhaust Manifold Removal

Exhaust Manifold Removal

    Fig 1: View Of Exhaust Manifold Heat Shield
    GM1252124Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Disconnect the oxygen sensor connector, if equipped.
  3. Remove the exhaust manifold heat shield bolts.
  4. Remove the exhaust manifold heat shield.
    5. Fig 2: View Of Exhaust Flex Pipe And Retaining Nuts
    GM1289778Courtesy of GENERAL MOTORS CORP.
  5. Remove the auxiliary catalytic converter upper flange nuts.
    6. Fig 3: View Of Exhaust Manifold Retaining Nut Removal Sequence
    GM1252164Courtesy of GENERAL MOTORS CORP.
  6. Remove the exhaust manifold retaining nuts in the sequence shown.
  7. Remove the exhaust manifold.
  8. Remove the exhaust manifold gasket.
    9. CAUTION: Refer to Safety Glasses Caution .
  9. Clean the sealing surfaces of the exhaust manifold and the cylinder head.
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