GM Service Manual Online
For 1990-2009 cars only

Throttle Body Heater Outlet Hose Replacement 5.7L Engine

Removal Procedure


    Object Number: 220620  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Reposition the hose clamps at the throttle body and the radiator.
  3. Remove the throttle body heater outlet hose from the following:
  4. • Throttle body
    • Radiator

Installation Procedure


    Object Number: 220620  Size: SH
  1. Install the throttle body outlet hose to the following:
  2. • Throttle body
    • Radiator
  3. Position the hose clamps at the throttle body and the radiator.
  4. Fill the cooling system. Refer to Cooling System Draining and Filling .