GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1277099  Size: SH
  1. Remove the engine coolant air bleed pipe bolts (309).
  2. Remove the pipe (307) with hose and seals (308).

  3. Object Number: 1272806  Size: SH
  4. Remove the engine coolant air bleed cover bolts (312), covers (313), and seals (308).

  5. Object Number: 1552485  Size: SH
  6. Remove the seals (308) from the pipe and covers.
  7. Discard the seals.

  8. Object Number: 1277104  Size: SH
  9. Remove the hose (311) and clamps (310) from the pipe (307).