BRAKES GMC GROUP 4 940 5E AIR UNIT POPPET SCREW Vacuum Power Brake CyIinderReIay H V8 NOTE 1 Repair unit can sts of 1 bndy valve 1 cover valve body 73 P 3 w 1 I 000 lb axle 73 M H C exc I4 000 lb J G V W 3878609 1 10 40 REPAIR UNIT w cover Bendix 2504132 Note I 4 1865 73 P 3 w 1 1 000 Ib axle 73 M H C exc 14 000 Ib G V W 2484897 1 72 REPAIR UNIT valve body 2 dia Bendix 2503212 4 IB65 73 P 3 w 11 000 Ib axle l 73 M H C exc 14 000 lb G V W 3830351 1 2 20 POPPET valve Bendix 2501231 4 2062 73 P 3 w 11 000 lb axle 73 M H C exc 14 000 lb G V W 3830342 A R 23 SCREW cover 12 24 x hex Bendix 2502197 4 2098 4 942 DIAPHRAGM RETAINER PLATE SPRING Vacuum Power Brake Relay Valve 73 P 3 w I I 000 lb axle 73 M H C exc 14 000 lb GVW 3830333 1 3 80 DIAFHRAGM cylinder relay valve Bendix 2501227 4 1950 73 P 3 w 11 000 lb axle 73 M H C exc I4 000 lb G V W 3830353 1 54 RETAINER cyl valve pcppet Bendix 2501232 4 2012 13 P 3 w 11 000 lb axle 3830321 I 70 PLATE cyl relay diaphragm Bendix 2501495 4 2067 73 P 3 w 1 I 000 lb axle 73 M H C exc 14 000 lb G V W 3830332 1 52 SPRING valve pcppet inner Bendix 2501230 4 2125 73 P 3 w 1 I 000 Ib axle 73 M H C exo 14 000 lb G V W 3830386 A R 79 SPRING valve poppet outer Bendix 2502099 4 2125 J 4 944 STEM Vacuum Power Brake Cylinder Relay Valve 73 P 3 w 11 000 lb axle 73 M H C exc 14 000 lh G V W 3830352 1 1 20 STEM cyl poppet valve Bendix 2501229 4 2155 4 955 VALVE ASM VALVE UNIT GROMMET SPRING Vacuum Power Brake Check 73 74 CK 1 2 Dr Blaxer Jimmy 73 74 CK I Sub exc center seat 485055 1 4 15 VALVE ASM brake check 4 3 8I 13 M H C exc I4 000 Ib V G V W 32889I I 9 20 VALVE ASM brake check 4 3IBO 73 Cl I Blazer Jimmy w Vac Brake Booster exc 4 Dr 14 15 CK 1 Blazer Jimmy w JB 3 JB 5 76 77 C I Cab 2 Dr w JB 3 3995836 1 4 15 VALVE ASM power brake cyl check Bendix 2509702 II x Z 11 I5 x 2 75 brks 4 3I80 73 G 1 2 3 73 P 2 3 exc 11000 Ib axle 74 18 CKGP1 2 3 w JB5 JB6 JB7 I8D03614 1 N L VALVE UNIT vac chk grommet 4 3I80 73 All Blazer Jimmy 73 M H C 5461808 I 2 I0 GROMMET check valve Moraine 4 3196 73 CP 3 3964524 1 80 SPRING cyl check valve orange Bendix 2508500 4 3215 NOTE See end af 4 000 Group for Speedometer Charts WAFIEHOUSING AND DISTRIBUTIONDIVISION OF GENERAL MOTORS CORPORATlON LT TRUCl 51 4 940 4 955 uzo REV 2 83