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Home >> GMC >> 1990 >> Forward Control 7.4 N, Automatic, 400/M40 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (Gasoline) >> Throttle Body >> Fuel Meter Assembly (Model 700)
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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, regulator diaphragm must be replaced to prevent fuel leaks.

Fig 1: Exploded View of Throttle Body Assemblies
G90H15724Courtesy of GENERAL MOTORS CORP.