I BRAKES REAR AXLE AND DRIVE I 5 043 PIN UNIT Brake Shoe Hold Down Con t I I 80 84 Ser 30 I I I 80 84 Ser 20 4 WD D D f I sus ser 10 V I I 85 Ser 20 exc D D 4 WD I I I 85 88 Ser 30 w P Trac H D Rear Shocks V 85 88 Ser 30 D D I I 72 Ser 10 Conv 4 WD Blazer I 72 G 10 20 I I V 72 Ser 30 exc 11 000 lb axIa 325075 A R I rear I 85 87 Ser 20 4 WD D D I 88 89 4 WD A V 70 72 Ser 20 4 WD I rear Q 88 87 Ser 20 30 D D exc 1 1 000 I lb axle I 3917941 A R front I 88 70 G 10 20 front I 71 72 Ser 30 exc 11 000 lb axle 6280991 A R rear 88 89 Ser 10 exc 4 WD I 88 4 WD I 87 Sar 20 30 exc D D 4 WD I V88 70 Ser 20 30 exc 4 WD T 70 Ser 10 exc 4 WD H D front I brk I 70 G 10 I I 71 G 10 thru 30 exc Disc Brks front 88 Ser 20 30 exc D D 4 WD 5 I 87 72 Ser I0 Blazer G 10 20 87 Ser 30 exc D D 11 000 lb axle 3917938 A R I rear 87 72 Ser 30 w 1 1 000 lb axle 3917939 A R rear I 88 72 Ser 20 w Dana Axle 5472509 1 w spring l V 5 045 PLATE Brake Shoe Guide I 51 88 All exc G 10 V I 87 89 Ser 10 front and rear f 87 89 G 20 I 87 89 Ser 20 30 r 70 G 10 20 V 1 70 Ser 10 20 Blazer I 70 Sar 30 exc 1 1 00OIIb axle 71 Ser 10 Blazer I V 71V G 20 30 71 72 Ser 20 Conv Iw Dana Axle rear 87 70 Ser 20 30 exc D D 89 Blazer V 1 71 G 10 thru 30 exc Disc Brk front 88 89 Sar 30 w Prop Shaft Brake I I 11 000 lb axle exc N P 4 I Spd A V 71 G 30 I 5472139 A R trans park brk shoe guide plt 2 0 L x I thick V 84 70 G 10 L I J front and rear z 71 I G 10 Panel w 2 400 lb axle 5480399 2 rear 2 0 L x thick 5 055 PIN Brake Shoe Anchor I NOTE 1 Not used on 1955 D D w 7 50 1 7 7 00 18 tires or 1956 D D w duals 55 59 V Ton 2nd Ser exc P Trac 80 83 Ser 10 3705732 A R front and rear 2 0 L 80 82 Ser 30 exc D D V 80 89 Ser 20 exc 4 WD D D I 88 89 Sar 20 D D V front and rear 80 89 Ser 30 exc D D 88 89 Ser 30 D D I I 89 70 Ser 10 w H D front brk I I I 70 G 20 I 70 Ser 20 30 exc 4 WD I V 71 72 G 20 30 exc Disc Brk front 70 72 Ser 20 exc 4 WD 3841719 2 rear 84 71 Ser 10 G 20 70 71 G 10 Blazer rear 88 72 Ser 30 11 000 Ib axle I w Prop Shaft Park Brake 3840850 2I trans park brk shoe anchor rear 84 88 Ser 10 exc 4 WD 89 70 Sar 10 exc H D front brake I 4 WD V 4 I it GM PARTS DIVISION GENERAL MOTORS CORPOFIATION CHEVROLET 72TLj REV 5 79 s f 5 7 5 043 5 055