TX04 05B9 1985 1986 CK BRAKE BOOSTER VACUUM DUAL DIAPHRAGMHMORAINE 1987 1991 RV BRAKE BOOSTERNACUUM DUAL DIAPHRAGM MORAINE 1 N S BOOT 1 2 4 4 4 4 Z N S SILENCER I 2 4 3 4 956 VALVE VAC CHK INCLS ITEM 4 1 2 18003614 4 4 4 N S GROMMET CHK VLV 1 2 4 5 N S PUSH ROD ASM AIR VLV 1 5 6 N S PISTON PWR 1 3 7 N S SEAL FRT HOUSlNG 1 2 8 N S BEARING PISTON 1 2 9 N S HOUSING RR 1 I0 N S HOUSING FRT 1 11 N S SPRING RETURN 1 12 4 924 ROD VAC PWR BOOS PSTN 1 1 5469384 13 N S RETAINER REACTION 1 5 4 14 N S SILENCER PWR HEAD 1 5 15 N S RETAINER DIAPHRAGM 1 2 18 N S DIAPHRAGM PWR PISTON 1 2 17 N S PLATE PRIMARY SUPT 1 18 N S BEARING SECONDARY PSTN 1 19 N S DIVIDER HOUS NG 1 20 N S DIAPHRAGM SECONDARY 1 Y 21 N S PLATE SECONDARY SUPT 1 22 N S DISC REACT ON 1 2 3 Z3 N S PISTON REACT ON 1 3 24 N S RETAINER REACTION BODY 1 3 25 N S BODY REACT ON 1 3 26 N S SPRING AIR VLV 1 2 27 N S BUMPER REACT ON 1 2 28 N S RING RETAINlNG 1 2 29 N S FILTER 1 2 30 N S RETAINER 1 2 31 N S O RING 1 Z 32 N S SEE SERVICE KITS BELOW vi SERVICE KITS KIT 1 4 901 BOOSTER SERVICE CK1 2 RVI 2 W JB5 IB6 1 18010581 2 4 901 BOOSTER SEHVICE RV2 W JB7 5 7L 1 18011339 3 4 901 BOOSTER SERVICE R2 W JB7 7 4L I 18015959 4 4 898 BOOSTER REPAIR KIT 1985 89 CK1 2 RVI 2 W JB5 JB6 2 18016176 5 4 898 BOOSTER REPAIR KIT 1990 91 CK1 2 RV1 2 W JB6 Z 18016176 8 4 898 BOOSTER REPAIR KIT 1985 91 CK2 RV2 W JB7 EXC 7 4L Z 18016176 7 4 898 BOOSTER REPAIR KIT 1985 91 CK2 RV2 W JB7 7 4L 2 18014494 8 4 922 PISTON KIT CK2 RVZ W JB5 JB6 3 18014015 9 4 922 PISTON KIT CK2 RV2 W JB7 3 18014006 10 4 955 VALVE KIT CHECK W GROMMET 4 180036 I4 1I 4 918 VALVE KIT AIR 5 18011127 NOTE 1 BOOSTER PWR BRK 4 901 INCL ITEMS 1 31 18010581 CK1 2 RV1 2 W JB5 JB6 18011339 CK2 RV2 W JB7 EXC 7 4N 18015959 R2 7 4N W JB7 NOTE 2 REPAIR KIT PWR BRK 4 898 INCL ITEMS 1 3 4 7 8 15 16 22 18007869 CK1 2 RV1 2 W JB5 J86 18016176 CK2 RV2 W JB7 EXC 7 4N 18014494 R2 7 4N W JB7 NOTE 3 PISTON KIT BFIK BOOS PWR INCL ITEMS 6 22 25 18014015 CK1 21 RV1 2 W 185 JB6 18014006 CK2 RVZ W 187 NOTE 4 18003614 VALVE VAC PWR 8005 CHK W GROMME I 4 955 INCL ITEMS 3 4 NOTE 5 18011127 VALVE KIT BRAKE BOOSTER AIR VLV INCLS 5 13 14 V RPO DEFINITIONS JB5 BRAKE SYSTEM VACUUM POWER DISC DRUM GVW 6400 LBS JB6 BRAKE SYSTEM VACUUM POWER D SC DRUM GVW 7200 LBS JB7 BRAKE SYSTEM VACUUM POWER DlSC DRUM GVW 8400 LBS r 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LIGHT TRUCK 52E i 9 90 4 153 4 000 GROUP