CTS V8-5.7L VIN P (2004)
8. Disconnect the EVAP canister purge tube (4) from the EVAP canister purge solenoid valve.
9. Disconnect the EVAP canister purge tube from the fuel feed pipe.
10. Disconnect the EVAP canister purge tube from the rear of the right cylinder head (1).
11. Remove the EVAP canister purge tube from under the fuel rail and remove the tube from the vehicle.
12. Disconnect the throttle position (TP) sensor electrical connector.
13. Remove the coolant air bleed hose.
14. Disconnect the throttle body outlet hose (1) from the throttle body.
15. Position the throttle body outlet hose aside.