ALLISON A T 540 TRANSMISSION CASE GOVERNOR AND VACUUM MODULATOR 1 4 319 VENT Transmission 19 IN S S SPRING Governor Weight 2 4 439 GASKET Power Take Off Cover 20 I I S S WEIGHT Governor Secondary 3 N S S COVER Power Take Off 21 I I S S WEIGHT Governor Primary 4 N S S WASHER Lock 3 8 22 N S S CAP Governor Thrust 5 8 900 BOLT Hex Hd 3 8 16 x 1 23 4 256 PIN 6 8 971 PLUG Hex Hd Pipe 118 Backup Light 24 N S S WEIGHT Governor Secondary Switch Hole 25 N S S SPRING Governor Weight 7 N S S SCREW Truss Head Drive 26 N S S VALVE Governor 8 N S S NAME PLATE 27 4 256 GASKET Governor Cover 9 4 103 CASE AND PIN ASSY 28 4 256 COVER Governor 10 N S S CASE Transmission 29 8 900 BOLT Hex Hd 5 16 18 x 9 16 11 N S S PIN 5 16 x 2 30 4 205 MODULATOR Vacuum Type 12 4 256 GOVERNOR ASSY 31 8 900 BOLT Hex Hd 5 16 18 x 9 16 13 N S S SLEEVE AND GEAR ASSY Governor 32 4 205 RETAINER Modulator to Casa L 14 N S S GEAR Governor Driven 33 4 205 SEAL Moduiator to Case 15 N S S PIN G0v6I n0I Geer Retaining 34 4 205 RQD Modulator Valve Actuating 1 I 16 N S S SLEEVE AND CARRIER ASSY Governor 35 8 971 PLUG Hex I Id papa 1 3 17 N S S SLEEVE Governor 26 4 054 PLUG Neutral stm swatch 750 16 18 N S S CARRIER Governor Weight 37 4 054 WASHER Neuman stan swatch Plug r Not Serviced Sepa ately TP482 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 4 37 P 4 000 GROUP