1 GM4 84 V T A l I I n I t I I n V N ll l K lll IIIIUWBIII l UN mum 9 llllwll 2 l GL I II r I 1 I ly I Iv yl V I 4 I GM4 84 1982 85 B G BRAKE HYDRAULIC BOOSTER DIESEL 1 1 1 BOOT 5 6 N S I 2 NUT 1 6 N S 3 BRACKET W Stud 6 N S I I 4 COVER Housing 1 6 Q N S 5 SEAL Housing 1 2 3 5 6 N 6 PISTON ACCUMULATOR Power 3 6 N S 7 VALVE Sp0ol 6 N S N I I 8 HOUSING 6 I N S 9 O RING 5 6 N S 10 FITTING Return Port 6 4 N S 11 SLEEVE Spool VaIve 6 N S 12 SPRING Spool FIeturn 6 I N S 13 O RING Spool Plug 4 5 6 N S N 14 PLUG SpooI 4 6 I N S I 15 RETAINER Spool PIug 4 6 J I N S 16 O RING 5 6 N S 17 ROD Output 6 I N S I 18 SEAL Piston 1 2 3 5 6 j N 19 BOLT Housing 6 N S 20 SPRING Power Piston Return 6 I N S I 21 RETAINER SprIng 6 I I N S NOTE 1 Part Of Grp 4 810 COVER Kllj Pwr Brk Booster Input Seal NOTE 2 Part Of Grp 4 810 PISTON KIT W Hsg Pwr Brk Booster I NOTE3 Part Of Grp 4 810 PISTON ACCUMULATOH KITZ Pwr Brk Booster NOTE 4 Part Of Grp 4 8 10 SEAL Spool Plug Pwr Brk Booster I NOTE 5 Part Of Grp 4 810 SEAL KIT Pwr Brk Booster NOTE 6 Part Of Grp 4 805 BOOSTER Hyd Pwr Brk I 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS PONTlAC 22W i 4 000 GROUP 4 14e 6 90