GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 622761  Size: SH
  1. Carefully remove the throttle body air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L.
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Disconnect the throttle body outlet hose clamp and the hose (4) from the coolant pipe.
  4. Disconnect the throttle body outlet hose clamp and the hose (4) from the throttle body.
  5. Remove the throttle body outlet hose (4).

Installation Procedure


    Object Number: 622761  Size: SH
  1. Install the throttle body outlet hose (4).
  2. Connect the throttle body outlet hose and clamp (4) to the throttle body.
  3. Connect the throttle body outlet hose and clamp (4) to the coolant pipe.
  4. Carefully install the throttle body air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L.
  5. Fill the cooling system. Refer to Cooling System Draining and Filling .
  6. Inspect for leaks.