I I A emu zsz 2 I X 2 2 A I Mum J g I I V A I A 20 A 2 I 9 2 R i I1 I X E S PN 222222 ji E 18 2 1 A RLY 1 2 wi 2 r e x 19 I 12 L S Ly 2 16 2 EQ ee 2 22 X e J I 2 Xe i I x 2 A 1 33 25 31 9 27 2 R Z8 2 32 NQ Q 2 I 4 3 A sow y 2 I xg I 6 rr 120 I A I A 2 I A I ommssoor 2 GMO4 282 A 1988 89 E BRAKE BOOSTER VACUUM DUAL DIAPHRAGM MORAINE R 1 BOOT 1 2 4 659 18 2 BEARING Piston Secd 1 2 N S 2 SILENCER 1 2 3 N S 19 DIVIDER Housing 1 N S 3 VALVE Vacuum Check 1 2 4 N S 20 DIAPHRAGM Secd 1 2 N S 4 GROMMET 1 2 4 N S 21 PLATE Support Secd 1 N S 7 SEAL Frt Housing 1 2 N S 2 22 DISC Reaction 1 2 5 N S 8 BEARING Primary Piston 1 2 1 N S 23 PISTON Reaction 21 5 N S 2 9 HOUSING Rear 1 N S 24 RETAINER Body Reaction 1 3 5 N S 10 HOUSING Frt 1 A N S 25 BODY Reaction 1 5 N S 1 1 SPRING Return 1 N S 26 2SPRING Air Va ve 1 3 N S 4 12 ROD Piston Gaged 1 4 924 27 BUMPER Reacti0n 1 2 3 2 N S 13 RETAINER Reaction 1 N s 28 RING Retain er 1 2 3 N S 14 SILENCER Power 1 Ieao 1 2 N s 29 FILTER 1 2 3 N s 2 15 RETAINER Dia phragm 1 2 o N S 30 RETAINER 1 2 3 4 N S 16 DIAPI IRAGM Primary 1 2 N s 31 O RING 1 2 3 I N s 17 PLATE Primary Support 1 N S 32 ROD ASM Air VaIve 1 3 N S 4 33 PISTON P0wer 1 5 I N S See CHART in Group for usage NOTE 1 Group 4 901 Service POWER BOOSTER Incls 1 thru 33 2 NOTE 2 Group 4 898 REPAIR KITZ Pwr Booster ncls 1 thru 8 14 15 16 18 20 22 27 28 29 30 2 NOTE 3 Group 4 918 VALVE KIT Air lncls 2 24 26 thru 32 2 NOTE 4 Group 4 955 VALVE KIT W Grommet ncls 3 4 NOTE 5 Group 4 922 PISTON KIT lncls 22 thru 25 33 I i2 1989 GENERAL MOTORS SERVICE PARTS OPEBATIONS 0LDSMOBILE 32E A A 4 000 GROUP A 2 I 2 4 68 I 2 2 2 6 89