GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H2 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Air Bleed Hose Replacement

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

    2. Object Number: 846664 Size: SH
  2. Remove the engine sight shield. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  3. Remove the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  4. Reposition the coolant air bleed hose clamp at the throttle body.
  5. Remove the coolant air bleed hose from the throttle body.

    6. Object Number: 790766 Size: SH
  6. Reposition the hose clamp at the pipe.
  7. Remove the coolant air bleed hose (1) from the pipe (2).
  8. 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
  3. Install the coolant air bleed hose to the throttle body.
  4. Position the coolant air bleed hose clamp at the throttle body.
  5. Install the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.
  6. Install the engine sight shield. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  7. Add engine coolant, if necessary.