GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Engine Coolant Air Bleed Pipe and Hole Cover Cleaning and Inspection

    Object Number: 1552485 Size: SH

    Important: Do not use the engine coolant air bleed pipe and cover gaskets again. Upon installation of the pipe and covers, install NEW gaskets.

  1. Remove the seals (308) from the pipe and covers.

    2. Object Number: 1458438 Size: SH
  2. Clean the pipe (307) and covers in solvent.

    3. Caution: Refer to Safety Glasses Caution in the Preface section.

  3. Dry the pipe (307) and covers with compressed air.
  4. Inspect the pipe and covers for damaged sealing surfaces or restrictions within the pipe.
  5. Inspect the hose (311) for wear, restrictions, or damage.