BRAKES 70 Ser 30 3771753 2 35 bleeder rear 64 65 Ser 20 30 D D w Brake Booster 67 Ser 30 Brake Booster w 11 000 lb axle 67 Ser 20 D D 67 70 G 20 w Brake Booster 2253936 2 39 SCREW bleeder 4 667 CUP REPAIR UNIT SEAL Wheel Cylinder Piston Also See Group 4 665 38 48 All 49 50 Comm exc 1 Ton D D 51 52 Ton exc D D front 53 59 1 Ton 55 59 D D w 14 brake or duals 2nd Ser 60 70 Ser 30 exc 1 1 000 lb axle 5455483 4 73 rear IV 38 42 HE JE KE KF AM AN BM BN 46 52 Comm exc V2 Ton rear 46 52 1 Ton D D 5462078A R 65 front 1 38 50 V2 Ton HD JD KD AL BL 5462071 4 61 rear 1 67 69 Ser 30 w 11 000 lb axle 53001390 4 72 rear IVZ 53 59 Ton exc D D w 14 brake or duals 60 62 Ser 20 64 70 Ser 20 rear Vg TOT 53 55 Comm 1st Ser 55 59 Ser 3 2nd Ser 60 62 Ser 10 thru 30 exc 4 WD 63 Ser 10 exc 4 WD 63 Ser 20 63 Ser 30 exc D D 64 66 Ser 10 thru 30 66 70 G 10 67 68 Ser 10 exc D D 67 70 Ser 10 thru 30 69 70 Blazer 5455298A R 63 front 1V 51 59 V2 Ton exc V2 Ton w P Trac V1 Ton 67 70 G 20 67 70 Ser 10 Blazer rear 63 Ser 10 5455299 4 63 front 1 55 59 Ser 3 2nd Ser 5454 486 8 55 rear IV 67 Ser 30 D D w 11 000 lb axle front 64 66 G 10 w 3 36 axle 5455481 4 65 rear V dia 67 70 G 20 54565981 4 59 front 1 dia 64 65 G 10 front 64 66 G 10 lst design exc 3 36 axle 5454234 4 65 rear 1V dia 65 66 G 10 2nd design 67 70 G 10 5452330 8 60 rear Vw dia 51 64 V2 Ton exc H D Brake Susp REPAIR UNIT rear 65 69 Ser 10 67 70 G 2O 545Ei855A R 2 28 rear 1 dia cyl 60 70 Ser 30 exc 1 1 000 Ib axle 3771I781 A R 1 80 REPAIR UNIT rear Note 1 60 63 4 WD exc V Ton 3781 784A R 1 65 REPAIR UNIT front Note 1 65 67 Ser 20 w leaf type springs 68 70 Ser 20 w Dana Axle 545Ei856A R 2 10 REPAIR UNIT rear NOTE 1 Consists of 2 cups and 2 boots 4 669 SPRING Wheel Cylinder Piston 38 50 All exc F C 51 52 Comm exc V2 Ton front 38 48 Pass Comm exc F C 49 50 Comm 51 52 V 1 Ton j 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORAT 0N P A 31 1 REV 6 71 4233 4 666 4 669