GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 896469  Size: SH
  1. Remove the front oxygen sensor.
  2. Remove the front exhaust manifold nuts.
  3. Remove the front exhaust manifold.
  4. Remove the front exhaust manifold gasket.

  5. Object Number: 896474  Size: SH
  6. Remove the rear oxygen sensor.
  7. Disconnect the EGR pipe.
  8. Remove the rear exhaust manifold nuts.
  9. Remove the rear exhaust manifold.
  10. Remove the rear exhaust manifold gasket.