Disassembly (Fuel Meter Assembly Model 700)

Remove fuel meter-to-throttle body retaining screws. Remove fuel meter assembly. See Fig 1 . Discard gasket. If fuel pressure regulator cover is removed, replace regulator diaphragm to prevent fuel leaks. Remove TPS and IAC assembly. Throttle valve screws are staked in position and should not be removed.

Fig 1: Exploded View of Throttle Body Assembly (Model 700)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Exploded View of Throttle Body Assembly (Model 220)

Courtesy of GENERAL MOTORS CORP.