GM04 256 081085 25 4 5 9 8 I I 4 I 9 L 11 3 A4 l I I 14 V J I u W F I A 1 T I A 13 2 I I I 1 s 1 I K II DI31 0E11I GM04 256 1986 J BRAKE BOOSTER VACUUM JSINGLE DIAPHRAGM MORAINE O NOTE SEE PARTS CATALOG FOR POWER BOOSTER CHART AT THE END OF GROUP 4 000 1 N S BOOT 1 2 V 2 N S SILENCER V1 3 N S VALVE VAC CH K 1 2 3 4 N S GROMMET 1 2 3 5 5 N S SEAL FRT HSG 1 2 6 N S BEARING PWR PSTN 1 2 7 N S HOUSING RR 1 8 N S HOUSING FRT 1 9 N S SPRING RTN 1 10 N S PISTON ROD KIT PWR BOOS 1 11 N S RETAINER REACTION 1 12 N S FILTER 1 4 13 N S RETAINER DIAPH 1 2 14 N S DIAPHRAGM 1 2 15 N S SUPPORT DIAPH 1 16 N S POWER PISTON PUSH ROD ASM 1 4 25 N S SWITCH VAC SOME MODELS 1 2 5 NOTE 1 SERVICE PWR BOOSTER GROUP 4 901 INCLS 1 THRU 25 NOTE 2 POWER BOOS REPAIR KIT GROUP 4 898 INCLS 1 3 4 5 6 13 14 25 NOTE 3 VALVE GROMMET GROUP 4 955 INCLS 3 4 NOTE 4 PISTON KIT GROUP 4 922 INCLS 12 16 NOTE 5 VACUUNI SWITCH KIT GROUP 4 906 INCLS 4 25 1992 GENERAL MOTORS SERVICE PARTS OPERAT 0NS PONT AC 22J 1 1 92 I 4 99 4 000 GROUP V F V 7