GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


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