CTS V8-5.7L VIN S (2005)
9. Disconnect the crankcase ventilation hose from the throttle body.
10. Disconnect the coolant hoses from the throttle body.
11. Remove the throttle body attaching bolts.
12. Remove the throttle body and the gasket.
IMPORTANT: Do not reuse the throttle body gasket. Install a new gasket during assembly.
13. Discard the throttle body gasket.
14. Inspect the crankcase ventilation hose and the tube. Replace any damaged components.
INSTALLATION PROCEDURE
1. Install a new throttle body gasket.
2. Connect the coolant hoses to the throttle body.
3. Install the throttle body assembly.
4. Install the throttle body attaching bolts.
NOTE: Refer to Fastener Notice in Service Precautions.
IMPORTANT: Always use a torque wrench in order to obtain the proper torque.
Tighten the throttle body bolts to 12 N.m (106 lb in).
5. Connect the TP sensor electrical connector.
6. Connect the crankcase ventilation hose to the throttle body.