t I g BRAKES I 3 4 931 CONNECTOR FITTING ASSY GROMMET SEAL TEE TUBE Vacuum Power Brake Cylinder B 4 NOTE Also see group 8 963 V 60 62 Ser 10 thru 30 w Access P B i 60 62 Ser 20 30 D D w Brake V Booster 475885 1 I CONNECTOR cylinder to tee conn pipe 1 J t 4 686 4 Q 63 64 Ser 10 thru 30 w P B Brake 4 4 V Booster exc D D 3751207 1 CONNECTOR main cyl hose l D at 4 hose end 1 i 0 L 3 163 67 Ser 10 20 w A l R 6 cyl exc 4 D D 3751206 1 CONNECTOR vac power brk hose 4 3 1634 67 Ser 30 D D Brake Booster I I w I 1 000 lb axle I 4 67 68 Ser 30 w 157 W B Brake 4 I Booster w 1 1 000 lb axle 4 4 70 71 Ser 30 Conv Brake Booster l w 1 1 000 Ib axle 3825960 1 CONNECTOR control check valve hose 4 1 745 4 71 72 Ser 30 Conv D D w I 1 000 V Y lb axle 3914915 1 CONNECTOR ASSY hose tee 68 69 Ser 10 thru 30 exc D D 4 68 69 Ser 20 D D A T w Brake Booster 4 6 cyl Q FITTING ASSY vacuum spl 68 70 Ser 10 thru 30 A T w Brake Booster 6 cyl exc C A C A 4 Spd Cruise Control 4 4 4 71 72 All Blazer w A T 6 cyl 392298 3 1 vac inch inlet manifold 3 278 70 72 Ser 10 thru 30 Conv Brake Booster w C A C w T H 396 I 4 71 72 Ser 30 D D T H 400 6 cyl 3981049 1 FITTING ASSY vacuum in inlet manifold 60 Ser 10 thru 30 w Brake 4 Booster 2402029 1 SEAL control tube 4 008 65 70 All 3891528 1 TEE ASSY inlet manifold P B hose tee s 4 assy P B to main cyl to manifold hose tee assy 18 7 447 Note 1 66 70 All Blazer 4 4 71 72 All Blazer 3989020 1 TEE ASSY inlet manifold 18 pipe d thd one hose NOTE 1 Hose rake offs and v 67 70 Ser 30 D D w Brake Booster 4 67 70 Ser 30 Brake Booster w 1 1 4 4 4 000 lb axle exc D D 67 68 G 20 w Brake Booster B 4 71 Ser 30 Conv D D w 11 000 4 lb axle 3830364 1 TUBE ASSY cyl cont Bendix 2501654 67 Ser 30 w 1 1 000 Ib axle 2494044 1 TUBE ASSY cyl relay Midland C 13628 4 W 4 934 BUMPER DISC LEVER PLATE RETAINER Vacuum Power Brake Cylinder Reaction 64 66 Ser 10 thru 3 0 w Brake i 4 Booster exc D D 4 71 72 Ser 10 thru 30 71 G 30 Drum Brake w B B 4 4 72 G 10 20 5464318 1 cyl reaction 71 Ser 10 Blazer 71 G 30 w Disc Brake 4 5469016 A1 cyl reaction 63 66 Ser 10 thru 30 w Brake 4 Booster exc D D V 67 70 Ser 10 w Brake Booster exc D D 1 72 Ser 10 Conv 4 WD Blazer 1478287 1 DISC reaction Bendix 250106 u thk 67 70 Ser 20 30 w Brake Booster 4 exc 4 WD D D 4 11 000 lb 3 axle A 68 70 Ser 20 30 D D exc 1 1 000 4 4 4 4 lb axle 386134 14 DISC cyl Bendix 2503065 thk 71 72 Ser 20 30 4 4 71 72 G 30 w Disc Brake 5463750 1 DISC cyl reaction I 64 66 Ser 10 thru 30 w Brake Booster exc D D 4 w 71 72 Ser 10 Blazer 4 4 71 72 G 10 20 I44 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL I 4 931 4 934 4 4 228 l REV 5 79