4P 13004 1 0 1 6I I J I I I ii g 0 0 9 6 I Q 5 G K Q D C O 0 K Ss J m xy i 0 I I 9 I I 4 g i C G I I 4P 13004 1983 B6 S7 BRAKE RELAY VALVE W JE4 BENDIX 4 646 1 COVER RELAY VALVE N S 2 DIAPHRAGM NOTE 1 N S 11 VALVE INLET EXHAUST NOTE 1 N S 3 O RING RELAY VALVE 4 646 12 RETAINER VALVE NOTE 1 N S 4 NUT RELAY VALVE CAP 4 646 13 SPRING VALVE NOTE 1 N S 5 GROMMET PISTON TO COVER NOTE 14 RETAINER O RING NOTE 1 N S 1 4 646 15 O RING RELAY VALVE NOTE 1 4 646 GROMMET COVER TO BODY NOTE 16 O RING RELAY VALVE NOTE 1 4 646 1 4 646 17 WASHER SPECIAL NOTE 1 N S 6 PISTON N S 18 RING RELAY VALVE RETAINING 7 SPRING RELAY VALVE PISTON NOTE 1 4 646 RETURN NOTE 1 4 646 19 COVER INLET EXHAUST VALVE N S 8 BODY N S 20 SCREW COVER N S 9 WASHER BODY TO CAP BOLT N S 21 DIAPHRAGM COVER NOTE 1 N S 10 BOLT BODY TO CAP N S 22 WASHER DIAPHRAGM N S 23 SCREW WASHER N S NOTE 1 PART OF 4 646 KIT RELAY VALVE REPAIR INCL ITEM 2 5 7 11 18 21 Y 1987 GENERAL MOTORS SERVICE PARTS 0PERATIONS M SB G 4 000 GROUP 46 10 09 87