I B4 I12 TURBO HYDRA MATIC 400 I CASE EXTENSION PLANET CARRIER PARTS Key Part Name Group No I RETAINER Vacuum Modulator 4 205 2 BOLT Retainer to Case 5 I6 IB x 9 I6 8 900 3 MODULATOR ASM Vacuum 4 205 4 SEAL Vacuum Modulator 4 205 5 VALVE Vacuum Modulator 4 205 I 6 BOLT Governor Cover to Case 5 I6 I8 x 9 I6 8 900 7 COVER Governor 4 256 8 GAS KET Governor Cover 4 256 9 GOVERNOR ASM Trans 4 256 I0 CASE Trans N S Il BUSHING Trans Case 4 I04 I2 CASE ASM Trans 4 l03 I3 SEAL Case Extension to Case L 4 3I8 I4 BOLT Extension to Case 3 8 I6 x I 8 900 I5 EXTENSION Case N S I6 BUSHING Case Extension 4 3l9 I7 EXTENSION ASM Case 4 3I7 I8 SEAL Case Extension Oil L L 4 3l8 I9 GEAR Speedometer Driven 4 337 r 20 SLEEVE 8 SEAL ASM Speedometer Driven Gear 4 338 V 2l SEAL Speedo Gear Sleeve to Case 4 338 22 RETAINER Speedo Driven Gear Sleeve 4 338 23 BOLT Retainer to Case 5 I6 l8 x 5 S 8 900 24 SEAL Connector to Case 4 265 25 CONNECTOR Downshift Solenoid Valve Single Male 4 265 26 SHAFT 8 PLUG ASM Trans Main 4 l72 27 RACE Sun Gear to Rear Internal Gear Thrust Brg N S V 28 BEARING Sun Gear to Rear Internal Gear Thrust N S 29 BEARING 8 RACES KIT Sun Gear to Rear Internal Gear Thrust 4 I59 30 GEAR Rear Internal Main Shaft 4 I87 t 3I RACE Rear Internal Gear to Output Shaft Bearing N S 32 BEARING Rear Internal Gear to Output Shaft N S 33 BEARING 8 RACES KIT Rear Internal Gear to Output Shaft 4 I87 34 RING Mainshaft Snap 4 l72 35 SHAFT 8 PLUG ASM Output 4 I75 36 RING Output Shaft to Front Internal Gear Snap 4 I76 37 WASHER Output Shaft to Case Thrust 4 I76 38 WASHER Output Shaft to Case Selective 078 to I22 4 I76 39 GEAR Speedometer Drive 4 343 40 RACE Center Support to Sun Gear Thrust Bearing N S 4I BEARING Center Support to Sun Gear Thrust N S 42 BEARING 8 RACES KIT Center Support to Sun Gear Thrust 4 I59 43 BUSHING Sun Gear Shaft 4 l6I 44 SHAFT ASM Sun Gear Includes Bushings 4 I6l 45 BUSHING Sun Gear Shaft 4 I6l 46 GEAR Sun 4 I59 47 WASHER Output Carrier to Reaction Carrier Thrust 4 I76 48 CARRIER ASM Reaction Complete 4 I75 49 WASHER Pinion Thrust Bronze N S 50 WASHER Pinion Thrust Steel N S SI BEARING Output 8 Reaction Carrier Roller N S 52 PINION Planet N S 53 PIN Planet Pinion N S 54 PINION KIT Output 8 Reaction Carrier 4 I75 55 BAND ASM Rear Brake Complete 4 25I 56 RING Front Internal Gear 4 I76 57 CARRIER ASM Output Complete 4 I75 A 58 SLEEVE 8 PIPE ASM Trans Outside 4 I04 59 PLUG Mainshaft 3I dia I 4 l72 60 BUSHING Output Shaft 4 I76 6I PLUG Output Shaft 3I dia 4 I75 GM PARTS DIVISION GENERAL MOTORS CORPORATION BUICK 4OA v 4 51 4 000 GROUP