Throttle Body (TBI): Installation

Install throttle body unit onto intake manifold using NEW gaskets. Tighten retaining bolts to specification. See appropriate TORQUE SPECIFICATIONS . Install NEW "O" rings onto fuel lines.
Connect fuel inlet and return lines to throttle body. Use a back-up wrench to prevent fuel line fittings in throttle body from turning. Tighten fuel line nuts to specifications. See appropriate TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure. Prime fuel system and check for leaks.

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

Courtesy of GENERAL MOTORS CORP.