GM Service Manual Online
For 1990-2009 cars only

Engine Coolant Air Bleed Hose Replacement for Chevrolet Express 2006

Engine Coolant Air Bleed Hose Replacement 4.8L, 5.3L, and 6.0L Engines

Removal Procedure

  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  2. Remove the generator. Refer to Generator Replacement .
  3. Partially drain the cooling system. Refer to Cooling System Draining and Filling .

  4. Object Number: 220621  Size: SH
  5. Reposition the coolant air bleed hose clamp at the throttle body.
  6. Remove the coolant air bleed hose from the throttle body.

  7. Object Number: 790766  Size: SH
  8. Position the coolant air bleed hose clamp at the pipe.
  9. Remove the coolant air bleed hose (1) from the pipe (2).

Installation Procedure


    Object Number: 790766  Size: SH
  1. Install the coolant air bleed hose (1) to the pipe (2).
  2. Position the coolant air bleed hose clamp at the pipe.

  3. Object Number: 220621  Size: SH
  4. Install the coolant air bleed hose to the throttle body.
  5. Position the coolant air bleed hose clamp at the throttle body.
  6. Install the generator. Refer to Generator Replacement .
  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  8. Fill the cooling system. Refer to Cooling System Draining and Filling .