I 2 I 0 GM04 2s1 Q 050286 0 2 0 0 fg 4 N J I 4 Q 4 7 A I Q 0 0 I 0 A 0 E 41 4 10 I i rj Q I I I Q I Y g y 9 0 19 0 I Q I 0 9 18 0 0 I I 14 0 1 I W 4 13 0 I 0 I 0 Q Y DM6043G118 I I 0 0 GM04 261 1987 1991 N BRAKE MASTER CYLINDER COMPACT MORAINE NOTE SEE MASTER CYLINDER CHART IN GROUP 4 650 1 4 651 SENSOR FLUID LEVEL 1 3 I 2 N S CAP PROP VLV 1 4 0 4 I 3 N S O RING PROP VLV CAP 1 4 4 N S SPRING PROP VLV PSTN 1 5 4 652 PISTON M CYL PROP VLV 1 0 6 N S SEAL PROP VLV 1 4 7 4 651 COVER KIT M CYL RESVR 1 8 4 651 DIAPHRAGM M CYL RESVR 1 9 N S PIN SPRING 1 3 4 10 N S RESERVOIR M CYL 1 3 0 1 1 N S O RING RESVR TO BODY 1 3 4 12 N S 0 RING RESVR TO BODY 1 3 4 13 N S RETAINER PSTN 1 2 A 14 N S PISTON PR MARY 1 2 I V 15 N S SEAL SECONDARY 1 2 I 16 N S RETAINER SPRING 1 2 17 SEAL PRIMARY 1 2 L 18 4 653 PISTON BRK M CYL SECD 19 N S SPRING SECD PSTN 1 20 N S BODY M CYL 1 NOTE 1 SERVICE MASTER CYLINDER GROUP 4 650 INCLS 1 THRU 20 NOTE 2 REPAIR KIT GROUP 4 649 INCLS 13 THRU 17 I J NOTE 3 RESERVOIR W GROMMET 0KIT GROUP 4 651 INCLS 1 9 10 11 12 I 1 1991 GENERAL MOTORS SERVICE PARTS 0PERATIONS PONTIAC 22N j 4 000 GROUP 0 4 vs 0 0 291