GM Service Manual Online
For 1990-2009 cars only
  1. Disconnect the EVAP hose for the ORVR.
  2. Disconnect the brake booster vacuum hose.
  3. Remove the oil dipstick guide bolt.
  4. Remove two bolts and one nut from the intake manifold bracket.

  5. Object Number: 828279  Size: SH
  6. Remove the intake manifold bolts and nuts.
  7. Remove two bolts from the alternator bracket.
  8. Remove the intake manifold and gasket.