GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .

  2. Object Number: 846664  Size: SH
  3. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  4. Remove the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  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. Reposition the hose clamp at the pipe.
  9. Remove the coolant air bleed hose (1) from the pipe (2).
  10. Remove the coolant air bleed hose from the vehicle.

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. Install the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  7. Install the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  8. Add engine coolant, if necessary.