GM03 1 24 1984 85 Y THROTTLE BODY INJECTION UNITS TBI 19 SCREW ASM Body Attach 3 Req 9 N S 20 GASKET Fuel Meter Body 4 13 14 4 N S 21 CLIP Throttle Rod Ret Frt 2 3 4 6 8 9 23 24 N S 22 ROD W Bearing Throttle N S 23 BODY ASM Throttle Frt 23 N S BODY ROD ASM Throttle Body Rr 24 N S 24 BOLT TBI Attech Short IO N S 25 BOLT TBI Attach Long 10 N S 26 STUD TBI Air Cleaner Attach IO N S 27 GASKET TBI Mounting 2 3 4 N S 28 CAP Tube 4 N S 29 SENSOR Throttle Position TPS Rr 1 1 N S 30 SCREW TPS Attach 2 Rr 9 1 1 N S 31 WASHER TPS Screw 2 Flr 9 1 1 N S 32 RETAINER TPS Z Rr 9 1 1 N S 33 SCREW TPS Lever Attach Rr N S 34 LEVER TPS Rr N S 35 CONTROL ASM Idle Air lAC 12 N S 36 GASKET IAC Asm 4 12 N S 37 SCREW Throttle Stop 9 N S 38 SPRING Throttle Stop Screw 9 N S 39 SCREW Throttle Synchronizing Frt 2 3 4 6 8 9 23 24 N S 40 COLLER Throttle Synch Screw Frt Not Req N S 41 COVER Inlet Manifold 6 N S 42 GASKET Inlet Manifold Cover G N S 43 TUBE Throttle Bore Swirl PIate 6 4 N S All service parts are common between the Front Rear TBI units except those indicated Front Frt or Rear Rr Rear unit exploded view is typical illustration NOTE 1 Group 3 725 THROTTLE BODY INJECTION Complete Service NOTE 2 Group 3 725 THROTTLE BODY INJECTION Front NOTE 3 Group 3 725 THROTTLE BODY INJECTION Rear NOTE 4 Group 3 724 GASKET KIT NOTE 5 Group 3 774 FILTER KIT Fuel Injector Nozzle NOTE 6 Group 3 726 COVER KIT Manifold Inlet NOTE 7 Group 3 163 TUBE KIT Fuel NOTE 8 Group 3 724 SCREW KIT Throttle Synchronizing NOTE 9 Group 3 724 FASTENER ASSORTMENT KIT NOTE 10 Group 3 724 FASTENER KIT Manifold Cover Attaching NOTE 1 1 Group 3 440 SENSOR KIT Throttle Position NOTE 12 Group 3 820 CONTROL KIT Idle Air Valve NOTE 13 Group 3 734 FUEL METER KIT NOTE 14 Group 3 734 FUEL METER KIT NOTE 15 Group 3 734 FUEL METER BODY KIT NOTE 16 Group 3 734 FUEL METER BODY KIT NOTE 17 Group 3 734 ACCUMULATOR KI Ij Pressure Front NOTE 18 Group 3 734 REGULATOR KIT Pressure Rear NOTE 19 Group 3 774 FUEL INJECTOR KIT NOTE 20 Group 3 774 FUEL INJECTOR KIT NOTE 21 Group 3 724 FUEL lNLET OUTLET KlT Front NOTE 22 Group 3 724 FUEL INLET Er OUTLET KIT Rear NOTE 23 Group 3 729 BODY KIT Throttle Front NOTE 24 Group 3 729 THROTTLE BODK W ROD ASM Rear WAFlEHOUSlNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14Y i 1 85 3 9 3 000 GROUP