Throttle Body (TBI): Installation

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1994 GMC Yukon, 1994 GMC Suburban, 1994 GMC Pickup, 1994 GMC Cab & Chassis, and 1994 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

To install, reverse removal procedure. Ensure throttle body and intake manifold sealing surfaces are clean. Use NEW throttle body gasket and fuel line "O" rings. Check fuel system for leaks by turning ignition on, but DO NOT start engine.

Fig 1: Exploded View Of Throttle Body (TBI 220)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Exploded View Of Throttle Body (TBI 295)

Courtesy of GENERAL MOTORS CORP.