Throttle Body Assembly Removal

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Throttle Body, Bolts, Nuts And Gasket

Courtesy of GENERAL MOTORS COMPANY

NOTE:

The intake manifold, throttle body, fuel injection rail, and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly.

Remove the electrical wire harness connectors from the throttle body.
Remove Throttle Body Nut (507) and Throttle Body Bolt (538).
Remove Throttle Body (508).
Remove and DISCARD the throttle body gasket. (509)