GM Service Manual Online
For 1990-2009 cars only

    Object Number: 70891  Size: SH
  1. Remove the intake manifold sight shield.
  2. Disconnect the PCV valve and both feed tubes from the camshaft covers.

  3. Object Number: 53639  Size: SH
  4. Disconnect the EGR and crankcase ventilation pipe at the throttle body spacer.
  5. Disconnect the fuel rail ground wire at the rear cylinder head.
  6. Disconnect the fuel rail bracket at the EGR valve.

  7. Object Number: 52999  Size: SH
  8. Loosen and remove the intake manifold bolts.
  9. Remove the intake manifold assembly.
  10. Important: The intake manifold carrier gaskets are attached to the intake manifold through a snap-lock feature. When you remove the intake manifold, the carrier gaskets will remain attached to the manifold. It is not necessary to replace the gaskets unless there is damage to the seals.