I I GM04 255 29 N S FILTER 1 2 4 30 N S RETAINER 1 4 31 N S O RING 1 4 32 N S ROD ASM A R VALVE F USH 1 4 33 N S PISTON POWER 1 6 al NOTE 1 SERVICE PWR BOOSTER GROUP 4 901 INCLS 1 THRU 33 NOTE 2 PWR BOOS REPAIR KIT GROUP 4 898 INCLS 1 THRU 8 14 15 16 I8 20 22 27 28 29 NOTE 3 VALVE GROMMET GROUP 4 955 INCLS 3 4 NOTE 4 AIR VALVE PLUNGER VLV GROUP 4 918 INCLS 2 24 26 THRU 32 NOTE 52 VACUUM SWITCH KIT GROUP 4 906 INCLS 5 6 NOTE 6 PISTON KIT GROUP 4 922 INCLS 22 23 24 25 33 V NOTE 7 BOOT REPAIR KIT GROUP 4 924 INCLS 1 2 24 V 4 V I I I I I 1992 GENERAL MOTORS SERVICE P ARTS OPERATIONS BUICK 44H 4 000 GROUP A 4 126 2 4 92