GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Yukon - 4WD 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Air Bleed Hose Replacement

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

Removal Procedure

    Object Number: 220621 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. Remove the generator. Refer to Generator Replacement in Engine Electrical.
  3. Reposition the coolant air bleed hose clamp at the throttle body.
  4. Remove the coolant air bleed hose from the throttle body.

    5. Object Number: 492760 Size: SH
  5. If equipped with the 4 point pipe, reposition the hose clamp at the pipe.
  6. Remove the coolant air bleed hose (2) from the pipe (1).

    7. Object Number: 639610 Size: SH
  7. If equipped with the 2 point pipe, reposition the hose clamp at the pipe.
  8. Remove the coolant air bleed hose (2) from the pipe (1).

Installation Procedure

    Object Number: 639610 Size: SH
  1. If equipped with the 2 point pipe, install the coolant air bleed hose (2) to the pipe (1).
  2. Position the hose clamp at the pipe.

    3. Object Number: 492760 Size: SH
  3. If equipped with the 4 point pipe, install the coolant air bleed hose (2) from the pipe (1).
  4. Position the hose clamp at the pipe.

    5. Object Number: 220621 Size: SH
  5. Install the coolant air bleed hose to the throttle body.
  6. Position the coolant air bleed hose clamp at the throttle body.
  7. Install the generator. Refer to Generator Replacement in Engine Electrical.
  8. 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.
  9. Add engine coolant, if necessary.