A/T Main Case: Removal

Remove the transmission assembly from the vehicle.

Extract the torque converter clutch assembly.

Remove the input shaft.

Fig 1: Identifying AT Main Case

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Lift-up lever behind the transmission harness connector and disconnect it from stay.

Disconnect inhibitor switch connector from stay.

Disconnect the air breather hose.

Remove the oil charge pipe.

Remove the oil cooler inlet and outlet pipes.

Separation of converter case and transmission case.

Remove the oil pump housing.

Take out the high clutch, thrust needle bearing and reverse clutch assembly.

Fig 2: Removing Thrust Needle Bearing And Reverse Clutch Assembly

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High clutch and reverse clutch assembly
Thrust needle bearing

Take out the high clutch hub and the thrust bearing.

Fig 3: Removing High Clutch Hub And Thrust Bearing

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High clutch hub
Thrust needle bearing

Take out the front sun gear and the thrust bearing.

Fig 4: Removing Front Sun Gear And Thrust Bearing

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Front sun gear
Thrust needle bearing

Pull out leaf spring without folding.

NOTE: Remove it while pressing down on lower leaf spring.

Fig 5: Pulling Out Leaf Spring

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Leaf spring
Retaining plate

Remove snap ring and thrust needle bearing.

Fig 6: Removing Snap Ring And Thrust Needle Bearing

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Snap ring
Thrust needle bearing

Take out retaining plate, drive plate and driven plate of 2-4 brake.

Fig 7: Removing Retaining Plate, Drive Plate And Driven Plate

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Take out the thrust needle bearing, planetary gear assembly and the low clutch assembly.

Fig 8: Removing Thrust Needle Bearing, Planetary Gear Assembly And Low Clutch Assembly

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Remove 2-4 brake seal.

Fig 9: Removing Brake Seal

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Remove snap ring.

Fig 10: Removing Snap Ring

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Snap ring
2-4 brake piston

Take out 2 -4 brake return spring.

Fig 11: Removing Brake Return Spring

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Remove the 2-4 brake piston and piston retainer without damaging.

Fig 12: Removing Brake Piston And Piston Retainer

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2-4 brake piston
2-4 brake piston retainer

Pull out the leaf spring without folding.

Fig 13: Pulling Out Leaf Spring

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Leaf spring

Remove snap ring.

Fig 14: Removing Snap Ring

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Snap ring

Take out retaining plate, drive plate, driven plate and dish plate.

Fig 15: Removing Retaining Plate, Drive Plate, Driven Plate And Dish Plate

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Turn the transmission case upside down, and then take out the socket bolts while holding the one-way clutch inner race with hand.

Fig 16: Turning Transmission Case

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Take out the spring retainer.

Fig 17: Removing Spring Retainer

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Take out the return spring.

Fig 18: Removing Return Spring

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Apply compressed air.

Fig 19: Applying Compressed Air

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Take out the low & reverse piston.

Fig 20: Removing Low & Reverse Piston

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