Disassembly

A750F AUTOMATIC TRANSMISSION: CLUTCH DRUM AND INPUT SHAFT ASSEMBLY: DISASSEMBLY

1. FIX CLUTCH DRUM AND INPUT SHAFT ASSEMBLY





(a) Place the oil pump onto the torque converter clutch, and then place the clutch drum and input shaft assembly onto the oil pump.

2. REMOVE REVERSE CLUTCH HUB SUB-ASSEMBLY





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

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





3. REMOVE REVERSE CLUTCH REACTION SLEEVE





(a) Remove the reverse clutch reaction sleeve from the reverse clutch hub sub-assembly.

4. REMOVE REAR CLUTCH DISC





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

5. INSPECT REAR CLUTCH DISC Clutch Drum and Input Shaft Assembly

6. INSPECT REVERSE CLUTCH HUB SUB-ASSEMBLY Clutch Drum and Input Shaft Assembly

7. REMOVE FORWARD CLUTCH HUB SUB-ASSEMBLY





(a) Remove the forward clutch hub sub-assembly from the clutch drum assembly.





(b) Remove the 2 thrust needle roller bearings from the forward clutch hub sub-assembly.

8. INSPECT FORWARD CLUTCH HUB SUB-ASSEMBLY Clutch Drum and Input Shaft Assembly

9. REMOVE MULTIPLE DISC CLUTCH HUB





(a) Remove the multiple disc clutch hub from the clutch drum assembly.

(b) Remove the No. 2 thrust bearing race and input shaft thrust bearing race rear from the multiple disc clutch hub.





10. REMOVE INPUT SHAFT ASSEMBLY





(a) Remove the thrust needle roller bearing from the clutch drum assembly.





(b) Remove the input shaft assembly from the clutch drum assembly.

11. REMOVE INPUT SHAFT OIL SEAL RING





(a) Remove the 3 oil seal rings from the input shaft assembly.

12. REMOVE FORWARD MULTIPLE DISC CLUTCH DISC





(a) Using a screwdriver, remove the hole snap ring.





(b) Remove the 2 flanges, 6 discs and 5 plates from the input shaft assembly.

13. INSPECT FORWARD MULTIPLE DISC CLUTCH DISC Clutch Drum and Input Shaft Assembly

14. REMOVE NO. 1 CLUTCH BALANCER





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

SST : 09350-30020

09350-07040

09350-07070

(b) Remove the No. 1 clutch balancer and forward clutch return spring from the input shaft assembly.





(c) Remove the O-ring from the No. 1 clutch balancer.





15. INSPECT FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY Clutch Drum and Input Shaft Assembly

16. REMOVE FORWARD CLUTCH PISTON





(a) Holding the forward clutch piston by hand, apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the input shaft to remove the forward clutch piston.

(b) Remove the 2 O-rings from the forward clutch piston.





17. REMOVE REVERSE CLUTCH FLANGE





(a) Remove the reverse clutch flange from the clutch drum assembly.

18. REMOVE DIRECT CLUTCH DISC





(a) Using a screwdriver, remove the 2 hole snap rings from the clutch drum assembly.





(b) Remove the reverse clutch flange, 6 plates and 5 discs from the clutch drum assembly.

19. INSPECT DIRECT CLUTCH DISC

20. REMOVE 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) Remove the snap ring.

21. REMOVE REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY





(a) Remove the reverse clutch return spring and O-ring from the reverse clutch piston.

22. INSPECT REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY Clutch Drum and Input Shaft Assembly

23. REMOVE REVERSE CLUTCH PISTON SUB-ASSEMBLY





(a) Remove the reverse clutch piston, sub-assembly from the clutch drum sub-assembly.

(b) Remove the O-ring from the reverse clutch piston sub-assembly.





(c) Remove the O-ring from the clutch drum sub-assembly.





24. REMOVE DIRECT CLUTCH PISTON SUB-ASSEMBLY





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

SST : 09320-89010

SST : 09350-30020

09350-07070

(b) Remove the snap ring.

(c) Using 2 screwdrivers, remove the direct clutch piston sub-assembly from the clutch drum.









(d) Remove the O-ring from the clutch drum.

(e) Remove the No. 2 clutch balancer and direct clutch return spring sub-assembly from the direct clutch piston sub-assembly.





(f) Remove the 2 O-rings from the direct clutch piston sub-assembly.





25. INSPECT DIRECT CLUTCH RETURN SPRING SUB-ASSEMBLY Clutch Drum and Input Shaft Assembly