CTS V8-5.7L VIN S (2005)
Throttle Body: Service and Repair
Throttle Body Assembly Replacement
THROTTLE BODY ASSEMBLY REPLACEMENT
REMOVAL PROCEDURE
1. Remove the fuel injector sight shield.
NOTE: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle
control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in
cleaning solvents of any type.
2. Raise the vehicle. Refer to Vehicle Lifting.
3. Partially drain the cooling system in order to allow the hoses at the throttle body to be removed. Refer to Draining and Filling Cooling System
(LP1, LY7) Draining and Filling Cooling System (LS6) in Cooling System.
4. Lower the vehicle.
5. Loosen the air cleaner outlet duct clamps (1, 2).
IMPORTANT: Cover or plug any openings when servicing the throttle body in order to prevent possible contamination.
6. Remove the air cleaner outlet duct.
7. Disconnect the air control valve electrical connector.
8. Disconnect the throttle position (TP) sensor electrical connector.
