G GM4 64 0 A W M Qt 1 E I I M 4 I MI I c Q IQ 0 I I Q I 2 I P I tw Q I 1 I 4 gp I W v L 9 6 I 9 I I 4 I I I x m m xN I I F 9 m I I Q I I G v I GM4 64 I 1978 81 MORAINE BRAKE DUAL DIAPHRAGM VACUUM CYLINDER 1 RETAINER Pwr Cyl Boot 1 N S 18 PLATE Secondary Support 1 N S I 2 BOOT Pwr Cy 1 2 N S 19 PISTON Pwr Brk Cy 1 3 4 922 3 SILENCER Air 1 2 N s 20 RING Ext net 5 3 Daa Shaft 1 2 4 8 934 4 BEARING Prim Pwr Piston 1 2 N S 21 BUMPER Reaction 1 2 4 N S 5 SPACER Pwr Cyl Mtg Cadillac 4 898 22 SPRING Air Valve 1 4 N S 6 HOUSING Rear 1 N S 23 BODY Reaction 1 3 N S 7 FILTER Air 1 2 4 N S 24 RETAINER Reaction Body 1 3 4 N S 8 RETAINER Cont VaIve 1 2 4 N S 25 PISTON Reaction 1 3 N S 9 vAI vE ASM Air 1 4 I I s 26 DISC Reaction 1 2 3 N s 4 10 SEAL O Ring 1 2 N S 27 RETAINER Reaction 1 N S I 11 SILENCER Pwr Head 1 2 4 m s 28 Roo Pwr Brk Cy 1 4 924 12 RETAINER Diaphragm 1 2 N S 29 SPRING Pwr Piston Ret 1 N S 13 DIAPHRAGM Primary 1 2 N S 30 HOUSING Front 1 V N S 14 PLATE Primary Support 1 N S 31 GROMMET Check Valve Also Part of V 15 BEARING Secondary Pwr Pi ston 1 Item 32 1 2 4 955 2 N S 32 VALVE W Grommet Vac Check 1 16 Housms Divider 1 N s 2 4 955 17 DIAPHRAGM Secondary 1 2 N S 33 SEAL Frt Hsg 1 2 N S I NOTE 1 Part of Group 4 901 CYLINDER Vac Pwr Brk I NOTE 2 Part of Group 4 898 REPAIR K Ij Pwr Brk Cyl NOTE 3 Part of Group 4 922 P STON KIT Vac Pwr Brk I NOTE 4 Part of Group 4 978 PLUNGER VALVE Pwr Brk Cyl GM PARTS DIVISION GENERAL morons conPoPATI0N BuIcI 41A i 9 80 4 101 4 000 GROUP