GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 2WD 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Vent Inlet Hose Replacement

Removal Procedure

    Object Number: 721988 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Reposition the vent inlet hose clamp from the radiator.
  3. Remove the vent inlet hose from the radiator.
  4. Reposition the vent inlet hose clamp from the surge tank.
  5. Remove the vent inlet hose from the surge tank.

Installation Procedure

    Object Number: 721988 Size: SH
  1. Install the vent inlet hose to the surge tank.
  2. Reposition the vent inlet hose clamp to the surge tank.
  3. Install the vent inlet hose to the radiator.
  4. Reposition the vent inlet hose clamp to the radiator.
  5. Fill the cooling system. Refer to Cooling System Draining and Filling .