Part 2

A750F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION UNIT: DISASSEMBLY






(a) Remove the one-way clutch assembly and the No. 1 planetary carrier thrust washer from the case.
36. REMOVE 2ND BRAKE CYLINDER





(a) Remove the 2nd brake cylinder from the case.
37. REMOVE 2ND BRAKE PISTON





(a) Using SST and a press, remove the snap ring.
SST: 09351-40010





(b) Hold the 2nd brake piston and apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the 2nd brake cylinder to remove the 2nd brake piston.





(c) Remove the 2 O-rings from the 2nd brake piston.
38. INSPECT NO. 3 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY Transmission Unit
39. REMOVE FRONT PLANETARY GEAR ASSEMBLY





(a) Remove the front planetary gear assembly and the one-way clutch inner race from the case.





(b) Remove the thrust needle roller bearing, the No. 3 thrust bearing race and the No. 2 planetary carrier thrust washer from the front planetary gear assembly.
40. INSPECT FRONT PLANETARY GEAR ASSEMBLY Transmission Unit
41. INSPECT ONE-WAY CLUTCH ASSEMBLY Transmission Unit
42. REMOVE FRONT PLANETARY RING GEAR





(a) Remove the front planetary ring gear and bearing from the transmission case.
43. REMOVE CENTER PLANETARY RING GEAR





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





(b) Remove the center planetary ring gear and front planetary ring gear flange from the front planetary ring gear.
44. REMOVE NO. 1 BRAKE DISC





(a) Remove the flange, 3 discs and 3 plates from the case.
45. INSPECT NO. 1 BRAKE DISC Transmission Unit
46. REMOVE BRAKE PISTON RETURN SPRING SNAP RING





(a) Using a screwdriver, remove the brake piston return spring snap ring from the case.
47. REMOVE BRAKE PISTON RETURN SPRING SUB-ASSEMBLY





(a) Remove the brake piston return spring and No. 1 the brake piston with the No. 1 brake cylinder from the transmission case.
48. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY Transmission Unit
49. REMOVE NO. 1 BRAKE PISTON





(a) Hold the No. 1 brake piston and apply compressed air (392 kPa, 4 kgf/cm2, 57 psi) to the transmission case to remove the No. 1 brake piston.
HINT: If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

(b) Remove the 2 O-rings from the No. 1 brake piston.
50. REMOVE NO. 2 BRAKE DISC





(a) Using a screwdriver, remove the snap ring from the case.





(b) Remove the flange, the brake piston return spring, the 3 discs and the 3 plates from the case.
51. INSPECT NO. 2 BRAKE DISC Transmission Unit
52. INSPECT NO. 2 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY Transmission Unit
53. REMOVE NO. 2 BRAKE PISTON





(a) Hold the No. 2 brake piston and apply compressed air (392 kPa, 4 kgf/cm2, 57 psi) to the transmission case to remove the No. 2 brake piston.
HINT: If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

(b) Remove the 2 O-rings from the No. 2 brake piston.
54. REMOVE CENTER PLANETARY GEAR ASSEMBLY





(a) Remove the center planetary gear assembly, the planetary sun gear and the No. 4 thrust bearing race from the case.
55. INSPECT CENTER PLANETARY GEAR ASSEMBLY Transmission Unit
56. REMOVE INTERMEDIATE SHAFT





(a) Using a screwdriver, remove the snap ring from the case.





(b) Remove the intermediate shaft with the No. 3 one-way clutch assembly from the case.
57. INSPECT NO. 3 ONE-WAY CLUTCH ASSEMBLY Transmission Unit
58. REMOVE NO. 3 ONE-WAY CLUTCH ASSEMBLY





(a) Remove the No. 3 one-way clutch assembly and the one-way clutch inner race from the intermediate shaft.
59. REMOVE REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY





(a) Remove the No. 8 thrust bearing race, thrust needle roller bearing, the No. 7 thrust bearing race and the planetary ring gear flange from the intermediate shaft.
60. INSPECT REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY Transmission Unit
61. INSPECT INTERMEDIATE SHAFT Transmission Unit
62. REMOVE BRAKE PLATE STOPPER SPRING





(a) Remove the brake plate stopper spring from the case.
63. REMOVE NO. 4 BRAKE DISC





(a) Remove the 7 plates, the 8 discs and the 2 flanges from the case.
64. INSPECT NO. 4 BRAKE DISC Transmission Unit
65. REMOVE REAR PLANETARY GEAR ASSEMBLY





(a) Remove the rear planetary gear assembly from the case.





(b) Remove the No. 9 thrust bearing race and the thrust needle roller bearing from the rear planetary gear assembly.





(c) Remove the thrust needle roller bearing from the case.
66. INSPECT REAR PLANETARY GEAR ASSEMBLY Transmission Unit
67. REMOVE 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY





(a) Place SST on the spring retainer and compress the brake return spring.
SST: 09350-30020
09350-07050
(b) Using SST, remove the snap ring and the brake return spring.
SST: 09350-30020
09350-07070
68. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY Transmission Unit
69. REMOVE 1ST AND REVERSE BRAKE PISTON





(a) Hold the 1st and reverse brake piston and apply compressed air (392 kPa, 4 kgf/cm2, 57 psi) to the transmission case to remove the 1st and reverse brake piston.
HINT: If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

(b) Remove the O-ring from 1st and reverse brake piston.
70. REMOVE BRAKE REACTION SLEEVE





(a) Using SST, remove the reaction sleeve.
SST: 09350-30020
09350-07080
(b) Remove the O-ring from the reaction sleeve.
71. REMOVE NO. 4 BRAKE PISTON





(a) Using SST, remove the No. 4 brake piston.
SST: 09350-30020
09350-07090
(b) Remove the 2 O-rings from the No. 4 piston.