GM Service Manual Online
For 1990-2009 cars only

    Object Number: 64262  Size: SH

    Important: Do not reuse the engine coolant air bleed pipe gaskets. Upon installation of the pipe, install NEW gaskets.

  1. Remove the engine coolant air bleed hose, clamps, and sealing gaskets from the pipe.

  2. Object Number: 490724  Size: SH
  3. Clean the pipe (1) and hose (2) in solvent.
  4. Caution: Wear safety glasses in order to avoid eye damage.

  5. Dry the pipe with compressed air.
  6. Inspect the pipe for damage or restrictions.
  7. Inspect the gasket and hose sealing surfaces for damage.
  8. Inspect the hose (2) for restrictions, cracking or wear.
  9. The hose may be reused if not damaged.