GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Opel 🢒 2008 🢒 GT 🢒 Engine 🢒 Engine Exhaust 🢒 Exhaust Manifold Replacement

Removal Procedure

    Object Number: 1828137 Size: SH
  1. Remove the turbocharger. Refer to Turbocharger Replacement .
  2. Remove the exhaust manifold heat shield bolts.
  3. Remove the heat shield.

    4. Object Number: 1828140 Size: SH
  4. Remove and discard the exhaust manifold nuts.
  5. Remove the exhaust manifold.
  6. Remove and discard the exhaust manifold gasket.

Installation Procedure

    Object Number: 1828140 Size: SH
  1. Install a NEW exhaust manifold gasket onto the studs.
  2. Install the exhaust manifold.
  3. Install the NEW exhaust manifold nuts.

    4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1340643 Size: SH
  4. Tighten the exhaust manifold nuts in the sequence shown.

    5. Tighten
    Tighten the nuts to 14 N·m (10 lb ft).


    Object Number: 1828137 Size: SH
  5. Install the heat shield.
  6. Install the exhaust manifold heat shield bolts.

    7. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  7. Install the turbocharger. Refer to Turbocharger Replacement .