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Reassembly





A750E AUTOMATIC TRANSMISSION: CLUTCH DRUM AND INPUT SHAFT ASSEMBLY: REASSEMBLY

1. INSTALL DIRECT CLUTCH PISTON SUB-ASSEMBLY





(a) Coat 2 new O-rings with Toyota Genuine ATF WS or equivalent, and install them onto the direct clutch piston.

(b) Install the No. 2 clutch balancer and direct clutch return spring onto the direct clutch piston sub-assembly.









(c) Coat a new O-ring with Toyota Genuine ATF WS or equivalent, and install them onto the clutch drum sub-assembly.

(d) Be careful not to damage the O-rings. Press in the direct clutch piston into the clutch drum with both hands.





(e) Place SST on the direct clutch piston, and compress the return spring with a press.

SST : 09320-89010

SST : 09350-30020

09350-07070

(f) Install the snap ring with a snap ring expander.

NOTICE:
* Make sure that the end gap of the snap ring is not aligned with the spring retainer claw.
* Stop pressing when the spring seat is lowered to the place 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove to prevent the spring seat from being deformed.
* Do not expand the snap ring excessively.





(g) Set the end gap of the snap ring in the piston as shown in the illustration.

2. INSTALL REVERSE CLUTCH PISTON SUB-ASSEMBLY





(a) Coat a new O-ring with Toyota Genuine ATF WS or equivalent, and install it onto the clutch drum sub-assembly.





(b) Coat a new O-ring with Toyota Genuine ATF WS or equivalent, and install it onto the reverse clutch piston sub-assembly.





(c) Be careful not to damage the O-ring. Press in the clutch drum sub-assembly into the reverse clutch piston with both hands.

3. INSTALL REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY





(a) Coat a new O-ring with Toyota Genuine ATF WS or equivalent, and install it onto the reverse clutch piston sub-assembly.

(b) Install the reverse clutch return spring onto the reverse clutch piston sub-assembly.

4. INSTALL NO. 3 CLUTCH BALANCER





(a) Place SST on the No. 3 clutch balancer, and compress the return spring with a press.

SST : 09387-00070

SST : 09350-30020

09350-07070

(b) Install the snap ring with a snap ring expander.

(c) Make sure that the end gap of the snap ring is not aligned with the spring retainer claw.

NOTICE:
* Stop pressing when the spring seat is lowered to the place 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove to prevent the spring seat from being deformed.
* Do not expand the snap ring excessively.





(d) Set the end gap of the snap ring in the piston as shown in the illustration.

5. INSTALL DIRECT CLUTCH DISC





(a) Install the reverse clutch flange, 6 plates and 5 discs onto the clutch drum sub-assembly.

Install in order:

P - P - D - P - D - P - D - P - D - P - D - F

HINT
P = Plate, D = Disc, F = Flange

(b) Using a screwdriver, install the 2 hole snap rings onto the clutch drum sub-assembly.





6. INSPECT PACK CLEARANCE OF DIRECT CLUTCH Clutch Drum and Input Shaft Assembly

7. INSTALL REVERSE CLUTCH FLANGE





(a) Install the reverse clutch flange onto the clutch drum sub-assembly.

8. INSTALL REVERSE CLUTCH REACTION SLEEVE





(a) Install the reverse clutch reaction sleeve, clutch cushion plate, reverse clutch flange, 5 reverse clutch discs, and 4 clutch plates onto the reverse clutch hub.

(b) Using a screwdriver, install the hole snap ring.

9. INSPECT PACK CLEARANCE OF REVERSE CLUTCH Clutch Drum and Input Shaft Assembly

10. REMOVE REVERSE CLUTCH REACTION SLEEVE





(a) Using a screwdriver, remove the snap ring from the clutch drum assembly.





(b) Remove the reverse clutch reaction sleeve, clutch cushion plate, reverse clutch flange, 5 reverse clutch discs, and 4 clutch plates from the reverse clutch hub sub-assembly.

11. INSTALL FORWARD CLUTCH PISTON





(a) Coat 2 new O-rings with Toyota Genuine ATF WS or equivalent, and install them onto the No. 1 forward clutch piston.

12. INSTALL NO. 1 CLUTCH BALANCER





(a) Coat a new O-ring with Toyota Genuine ATF WS or equivalent and install it onto the clutch balancer.

(b) Install the No. 1 clutch balancer and forward clutch return spring sub-assembly.





NOTICE:
Be careful not to damage the O-ring.

(c) Place SST on the No. 1 clutch balancer, and compress the return spring with a press.





SST : 09350-30020

09350-07040

09350-07070

(d) Install the snap ring with a snap ring expander.

(e) Make sure that the end gap of the snap ring is not aligned with the spring retainer claw.

NOTICE:
* Stop pressing when the spring seat is lowered to the place 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove to prevent the spring seat from being deformed.
* Do not expand the snap ring excessively.





(f) Set the end gap of the snap ring in the piston as shown in the illustration.

13. INSTALL FORWARD MULTIPLE DISC CLUTCH DISC





(a) Install the 2 flanges, 6 discs and 5 plates onto the input shaft assembly.

Install in order:

F- D - P - D - P - D - P - D - P - D - P - D - F

HINT
P = Plate, D = Disc, F = Flange





Using a screwdriver, install the hole snap ring.

14. INSTALL INPUT SHAFT OIL SEAL RING





(a) Coat the 3 oil seal rings with Toyota Genuine ATF WS or equivalent.

(b) Put together the ends of the 3 oil seal rings together, and then install them onto the stator shaft groove.

NOTICE:
Do not over-widen the ring ends.

HINT
After installing the oil seal rings, check that they rotate smoothly.

15. INSPECT PACK CLEARANCE OF FORWARD CLUTCH Clutch Drum and Input Shaft Assembly

16. INSTALL INPUT SHAFT ASSEMBLY





(a) Install the input shaft assembly onto the clutch drum.





(b) Install the thrust needle roller bearing onto the clutch drum assembly.

Thrust needle roller bearing diameter:





17. INSTALL MULTIPLE DISC CLUTCH HUB





(a) Install the No. 2 thrust bearing race and input shaft thrust bearing race rear onto the multiple disc clutch hub.

Bearing and race diameter:





(b) Install the multiple disc clutch hub into the clutch drum assembly.





18. INSTALL FORWARD CLUTCH HUB SUB-ASSEMBLY





(a) Install the 2 thrust needle roller bearings onto the forward clutch hub sub-assembly.

Bearing and race diameter:









(b) Install the forward clutch hub sub-assembly onto the clutch drum assembly.

19. INSTALL REAR CLUTCH DISC





(a) Install the clutch cushion plate, reverse clutch flange, 4 plates and 5 discs onto the reverse clutch hub.

Install in order:

D - P - D - P - D - P - D - P - D - F

HINT
P = Plate, D = Disc, F = Flange

20. INSTALL REVERSE CLUTCH REACTION SLEEVE





(a) Install the reverse clutch reaction sleeve onto the reverse clutch hub.

21. INSTALL REVERSE CLUTCH HUB SUB-ASSEMBLY





(a) Install the reverse clutch hub sub-assembly, reverse clutch reaction sleeve, clutch cushion plate, reverse clutch flange, 5 reverse clutch discs, and 4 clutch plates onto the clutch drum assembly.





(b) Using a screwdriver, install the snap ring onto the clutch drum and input shaft assembly.
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