GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1237797  Size: SH
  1. Remove the throttle body air inlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Remove the throttle body outlet hose clamp and the hose from the coolant pipe.
  4. Remove the throttle body outlet hose clamp and the hose from the throttle body and the vehicle.

Installation Procedure


    Object Number: 1237797  Size: SH
  1. Install the throttle body outlet hose and the hose clamp to the throttle body.
  2. Install the throttle body outlet hose and the hose clamp to the coolant pipe.
  3. Install the throttle body air inlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  4. Fill the cooling system. Refer to Cooling System Draining and Filling .
  5. Inspect for leaks.