GM Service Manual Online
For 1990-2009 cars only

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

Removal Procedure


    Object Number: 846664  Size: SH
  1. If necessary, remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
  2. Position the coolant air bleed hose clamp at the throttle body.
  3. Remove the coolant air bleed hose from the throttle body.

  4. Object Number: 790766  Size: SH
  5. Position the hose clamp at the pipe.
  6. 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 hose clamp at the pipe.

  3. Object Number: 846664  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. If necessary, install the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
  7. Add engine coolant, if necessary.