Automatic Transmission Unit Disassembly

Extract torque converter. And remove oil filler tube and dipstick.
CAUTION: Remove torque converter as much straight as possible. Leaning it may cause damage to oil seal lip.

Fig 1: Removing Torque Converter
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Remove speed sensor (1).
Remove 6 adapter case fixing bolts and then remove adaptor case (2).
NOTE: Use care not to cause damage to oil seal.

Fig 2: Removing Adapter Case
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Remove gasket.
Remove shift switch (1).

Fig 3: Removing Shift Switch
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Remove C-ring (1) and then remove speed sensor rotor (2).
NOTE: Use care not to loose rotor stop key.

Fig 4: Removing Speed Sensor Rotor
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Remove oil pump (5) by using puller (1).
NOTE: Use care not to cause damage to shaft bushing surface (2).
Remove bearing at the real of oil pump (5).
Remove O-ring from oil pump (5).
Holding input shaft (4) by hand, remove converter housing (3).

Fig 5: Removing Converter Housing
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Check dimensions of overdrive (O/D) case surface and clutch cylinder surface for reassembly.
Remove overdrive (O/D) clutch assembly by holding input shaft (3).
Remove O/D case, bearing and bearing race.
NOTE: Confirm direction of bearing and bearing race for reassembly.

Fig 6: Removing O/D Case
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Remove oil pan (1).
NOTE:
- Hold oil pan with oil pan side down to prevent foreign material in oil pan from entering valve body.
- If iron powder is found, it is possible that bearing, gear or clutch plate is worn.
Fig 7: Removing Oil Pan
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Remove oil tubes.
NOTE: Refer to figure for order of their removal.
Remove coupler from solenoid valve (1).

Fig 8: Removing Coupler From Solenoid Valve
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Remove oil strainer (1).
Remove valve body (2) mounting bolts as shown in the figure.

Fig 9: Remove Valve Body Mounting Bolts
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Lift valve body (1) and disconnect A/T throttle cable (3) from throttle cam (2), and remove valve body (1).
Disconnect throttle cable (3) from case (4).

Fig 10: Disconnecting Throttle Cable From Case
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Remove accumulator pistons (1) by blowing air into holes as shown in the figure.
NOTE: Hold accumulator piston (1) with shop cloth while blowing.

Fig 11: Removing Accumulator Pistons
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Place transmission upright as shown in the figure.
NOTE:
- To prevent transmission case from getting damaged, protect its contacting surface with stand by using shop cloth or the like.
- A stand of such size as shown in the figure will facilitate work.
Fig 12: Placing Transmission Upright
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Check top surface level of forward clutch (2) against case (1) for reassembly.
Remove forward clutch.
NOTE: Confirm direction of bearing and bearing race for reassembly.

Fig 13: Removing Forward Clutch
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Remove direct clutch (1).

Fig 14: Remove Direct Clutch
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Remove parking rod (1) and parking pawl (2).

Fig 15: Removing Parking Rod 7 Parking Pawl
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Remove 2 bolts (1) from valve body side to remove center support.

Fig 16: Removing Bolts From Valve Body
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Remove center support assembly (1).

Fig 17: Removing Center Support Assembly
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Remove retaining ring (1), planetary gear assembly and leaf spring.
NOTE:
- Use care not to cause damage to case when removing retaining ring.
- Confirm direction of bearing and bearing race for reassembly.
Fig 18: Removing Retaining Ring
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Remove reverse brake retainer (1).
Special tool
1. (A): 09926-98390
2. (B): 09926-98320
Fig 19: Removing Reverse Brake Retainer
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Remove brake applying cover (1).

Fig 20: Removing Brake Applying Cover
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Remove rear action sleeve and reverse brake piston by blowing air into hole (1) with (2) hole closed.

Fig 21: Removing Rear Action Sleeve & Reverse Brake Piston
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Undo caulking of sleeve cover (1) by using moderate stick (2) and move sleeve cover (1).

Fig 22: Undoing Caulking Of Sleeve Cover
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Using a punch, drive out manual shift lever pin, pull out manual shift shaft (2) and remove manual shift lever (1). Then remove sleeve cover from manual shift lever (1).

Fig 23: Pulling Out Manual Shift Shaft
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Remove oil seal (1) from both sides of transmission case.

Fig 24: Removing Oil Seal
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