GM03 147 1985 THROTTLE BODY INJECTION MODEL 500 1 SCREW ASSEMBLY FueI Meter Cover Attaching Long 9 1 1 N S 2 SCREW ASSEMBLY Fuel Meter Cover Attaching Short 9 11 N S 3 FUEL METER Cover Assembly 10 1 1 N S 4 GASKET Fuel Meter Cover 2 4 1 1 12 N S 5 I GASKET Fuel Meter OutIet 4 11 12 N S 6 SEAL Pressure ReguIator 2 4 1 1 12 N S 7 PRESSURE REGULATOR 10 1 1 l N S 10 INJECTOR Fuel 4 1 1 N S 11 FILTER Fuel Injector lnIet 4 11 12 N S v 12 O RING Fuel Injector Lower 2 4 1 1 12 N S 13 0 RING Fuel Injector Upper 2 4 1 1 12 N S I 14 WASHER Fuel lnjector 2 4 11 12 N S I 20 SCREW ASSEMBLY Fuel Meter Body T B Attaching 5 9 N S r 21 FUEL METER BODY ASSEMBLY 3 11 N S 22 GASKET Throttle Body to Fuel Meter Body 2 1 1 N S 23 GASKET Air FiIter 2 l 3 403 30 O RING Fuel Return Line 3 163 31 NUT Fuel OutIet 8 N S 33 SEAL Fuel Nut 8 1 1 N S 34 GASKET TBI Fuel Feed Pipe 3 163 35 GASKET TBI Fuel Feed Pipe Same as 34 I 3 163 50 SCREW TPS Lever Attaching 9 I N S 51 LEVER TPS 9 N S i 52 SCREW ASSEMBLY TPS Attaching 6 9 N S 54 PROTECTIVE RETAINER TPS 5 N S 55 RETAINER T PS Attaching Screw 5 6 N S 58 SENSOR Throttle Position 6 I 3 764 60 PLUG Idle Stop Screw 9 N S 61 SCREW ASSEMBLY Idle Stop 9 N S 62 SPRING Idle Stop Screw 9 N S 65 THROTTLE BODY ASSEMBLY 3 725 70 GASKET F ange 2 N S I 75 VALVE ASSEMBLY Idle Air ControI 7 N S 76 GASKET Idle Air Control VaIve 2 7 N S 77 BOLT Fuel Feed Pipe 3 162 78 PIPE TBI Fuel Feed 3 163 ForIPart Numbers Refer To Chart At End Of Group 3 Of The Parts Catalog Group 3 725 THROTTLE BODY INJECTION UNIT Complete Assembly Plus Air Cleaner Flange Gaskets NOTE 2 Group 3 724 GASKET KIT Incls 4 6 12 13 14 22 23 30 70 76 NOTE 3 Group 3 734 FUEL METER BODY KIT Incls 21 NOTE 4 Group 3 774 FUEL INJECTOR KlT Incls 4 5 6 10 11 12 13 14 NOTE 5 Group 3 729 BODY KIT Throttle Incls 20 54 55 NOTE 6 Group 3 764 SENSOR KIT Throttle Position Incls 52 55 58 NOTE 7 Group 3 820 CONTROL KIT Idle Air Valve Incls 75 76 NOTE 8 Group 3 724 FUEL INLET OUTLET KIT Inc s 31 33 NOTE 9 Group 3 724 FASTENER ASSORT KIT lncls 1 2 20 50 51 52 60 61 62 A NOTE 10 Group 3 734 FUEL METER COVER KIT Incls 3 7 NOTE 1 1 Group 3 734 FUEL METER KIT Incls 1 2 3 4 5 6 7 10 1 1 12 13 14 21 22 33 NOTE 12 Group 3 774 GASKET FILTER KIT Fuel Meter Incls 4 5 6 11 12 13 14 Z 2 1990 GIENERAL MOTORS SERVICE PARTS 0PERATl0NS PONTIAC 22W 6 90 3 4e 3 000 GROUP