Express 2500 V6-4.3L VIN X (2005)
9. Disconnect the throttle position (TP) sensor harness connector.
10. Remove the throttle body retaining studs.
11. Remove the throttle body assembly.
12. Discard the throttle body seal.
INSTALLATION PROCEDURE
1. Clean the gasket surface on the intake manifold.
CAUTION: Refer to Safety Glasses Caution in Service Precautions.
2. Install the throttle body assembly with a new seal.