I V A BRAKES V r 4 639 SPRING Brake Pedal Return Con t 71 Ser 10 20 4 WD 3889998 1 pedal return 0 844 r 4 648 BRACKET BRACE GASKET PLUG SCREW Brake Cyl and Pedal Shaft Also see Group 0 847 for pedal shaft bracket I 71 72 G 10 Panel exc Brake Booster 3978990 1 main cyl V V 71 72 Ser 20 30 Conv 4 W D exc J 11 000 lb axle 3991899 1 BRACE main cyl V 71 72 M H C V V 71 G 10 thru 30 w Drum Brake i 71 72 Ser 10 Conv exc Brake V Booster r V 72 G 10 exc Brake Booster 3792566 1 r GASKET main cyl 18 thk 71 72 G 10 exc Brake Booster 3978991 1 GASKET main cyl bracket 71 72 Ser 30 D D w 11 000 lb axle 3961653 1 GASKET vacuum power brk main cyl 70 71 AIl Blazer 3771273 A R PLUG az bIack polyethylene 6 223 i 66 67 Ser 10 3874876 1 SCREW w Iock washer 16 x 1 V A 1 3 901 r 4 649 REPAIR UNIT Hydraulic Brake Main Cylinder NOTE 1 Consists of same parts shown with 5454428 plus spring w retainer V NOTE 2 Consists of one each check va ve primary cup piston boot lock ring washer and gasket NOTE Also see group 4 898 for power brakes 38 50 Ton 5454563 1 1 dia Note 1 V 38 52 4 1 Ton 5454428 1 A 1 dia Note 2 Y V 51 52 Ton 53 55 Comm lst Ser V V V 55 59 Sar 3 2nd Ser V T 60 66 D D L 5465201 1 l dia Note 2 63 64 Ser 10 thru 30 w Brake V i Booster exc D D 84 88 G 10 C 4 65 66 All w P B Brake Booster exc W D D 3905792 1 Bendix 617475 l dia r 63 Ser 10 20 63 Ser 30 w Brake Booster 1 V 64 66 Ser 10 20 exc D D 4 64 66 Ser 30 w Brake Booster 5463669 1 Moraine 1 dia 60 62 Ser 10 thru 30 exc D D 63 65 Ser 10 20 exc Brake Booster V 63 65 Ser 30 exc D D V r 4 64 65 Ser 10 D D w P G V 3 V 66 Ser 10 D D x 66 Ser 10 thru 30 exc D D 4 WD 5465469 1 l dia repair of 3769215 24 V V V 5467733 34 4 67 Ser 30 w 157 W B 11 000 Ib axle exc D D V 68 70 Ser 30 Brake Booster w 11 I i 000 Ib axle l 3910003 1 Wagner FC 59000 67 70 Ser 10 Blazer 3912121 1 Bendix 617505 1 dia cyl 67 Sar 20 30 D D exc 11 000 T V lb axle 8 3941938 1 Bendix 2226042 72 Ser 10 Conv 4 WD Blazer w Brake Booster 6273938 1 Bendix 2226359 3 67 70 Ser 20 30 exc 1 1 000 Ib V V A axle 3912137 1 Bendix 617510 I 67 70 Ser 10 Blazer exc Brake Booster V 6 67 70 G 10 20 V 71 G 10 20 exc Brake Booster 5468453 1 1 dia cyl I 67 Ser 20 30 exc D D Brake Booster 1 1 000 lb axle V V 68 70 Ser 20 30 exc Brake Booster 11 000 Ib axle V V 71 G 30 w Drum Brake exc Brake Booster 5468451 1 71 72 G 10 20 w Disc Brake V 71 72 Ser 10 Blazer 18001018 1 Moraine 71 72 Ser 20 30 exc 1 1 000 Ib A axle I 71 72 G 30 w Disc Brake 18002432 1 71 72 Ser 30 Conv D D w 1 1 000 lb axle 3995818 1 V Wagner FC 71614 V 71 72 M H C 5472544 1 Moraine GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TLt REV 5 79 i V 4 189 4 639 4 649