E W so h GM03 140 U I 65 I 0 I 67 5 I I 5 1 ima I II V I I X 9 J V Q A iz A E K I I A 9 17 z I 22 O T 16 I I 2 2 7g 3 15 C l f GM03 140 V 1 985 1 988 N TH ROTTLEBODY MPFI MODEL T1 B B1 20 LN7 3 0L 1 N S GASKET FLANGE 1 2 3 4 10 N S THROTTLE BODY ASM 1 K 15 N S PLUG IDLE STOP SCREW 1 16 N S SCREW ASM IDLE STOP 1 17 N S SPRING IDLE STOP SCREW ASM 1 20 N S SENSOR THROTTLE POSITION TPS 5 21 N S SCREW ASM TPS ATCH 5 22 N S RETAINER TPS ATCI I SCREW 5 K 40 N S COVER COOLANT CAV TY 3 45 N S SCREW ASM COOLANT COVER ATCH A 46 N S O RING COOLANT COVER TO THROTTLE BODY 1 2 3 4 E 60 N S HOUSING ASM IDLE AIR 4 65 N S SCREW ASM IDLE AIR HOUSING ASM ATCH A 67 N S GASKET IDLE AIR HOUSING ASM 1 2 3 4 70 N S VALVE ASM IDLE AIR CONT AC 6 11 N S GASKET IAC VALVE ASM 1 2 3 4 6 NOTE 1 GROUP 3 335 THROTTLE BODY KIT INCLS 1 10 15 16 17 46 67 71 NOTE 2 GROUP 3 336 GASKET KIT INCLS 1 46 67 71 A NOTE 3 GROUP 3 337 COVER KIT COOLANT INCLS 1 40 46 67 71 NOTE 4 GROUP 3 338 HOUSING KIT IDLE AIR INCLS 1 46 60 67 71 I NOTE 5 GROUP 3 339 SENSOR KIT THROTTLE POSITION INCLS 20 21 22 NOTE 6 GROUP 3 338 VALVE KIT IDLE AIR CONTROL INCLS 70 71 I 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 44N I I 3 000 GROUP K 3 26 2 91