GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Optra 🢒 Engine 🢒 Engine Mechanical - 2.0L (L34 GMDAT) 🢒 Exhaust Manifold Removal

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1252124 Size: SH
  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. Object Number: 1289778 Size: SH
  5. Remove the auxiliary catalytic converter upper flange nuts.

    6. Object Number: 1252164 Size: SH
  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 in the Preface section.

  9. Clean the sealing surfaces of the exhaust manifold and the cylinder head.