Part 2

AA80E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION UNIT: DISASSEMBLY

23. INSPECT FRONT PLANETARY GEAR ASSEMBLY Transmission Unit

24. REMOVE NO. 3 CLUTCH DISC SET





(a) Using a screwdriver, remove the hole snap ring from the overdrive direct clutch drum.

(b) Remove the flange, 4 discs and 4 plates from the drum.





25. INSPECT NO. 3 CLUTCH DISC Transmission Unit

26. REMOVE REVERSE CLUTCH DISC SET





(a) Using a screwdriver, remove the hole snap ring from the No. 2 reverse clutch drum.

(b) Remove the flange, 5 discs, 5 plates and cushion plate from the drum.





27. INSPECT REVERSE CLUTCH DISC Transmission Unit

28. REMOVE REVERSE CLUTCH PISTON





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

SST : 09380-50010

(b) Using SST, remove the snap ring.

SST : 09350-30020

09350-07070

(c) Remove the reverse piston balancer and reverse clutch piston return spring from the drum.





(d) Hold the clutch piston and apply compressed air to the oil hole of the drum to remove the clutch piston.





(e) Remove the O-ring from the piston.

29. INSPECT REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY Transmission Unit

30. REMOVE REVERSE CLUTCH DRUM SUB-ASSEMBLY





(a) Remove the reverse clutch drum from the overdrive direct clutch drum.

HINT
The reverse clutch drum is easier to remove if a hole snap ring is installed. Use the hole snap ring from the "REMOVE REVERSE CLUTCH DISC SET" procedure.

(b) Remove the 3 O-rings from the reverse clutch drum.

31. REMOVE NO. 3 CLUTCH PISTON





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

SST : 09380-50010

(b) Using SST, remove the snap ring.

SST : 09350-30020

09350-07070

(c) Remove the No. 3 clutch balancer and overdrive clutch return spring sub-assembly.





(d) Hold the clutch piston and apply compressed air to the oil hole of the drum to remove the clutch piston.





(e) Remove the O-ring from the balancer.

(f) Remove the O-ring from the piston.

(g) Remove the O-ring from the overdrive direct clutch drum sub-assembly.

32. INSPECT OVERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY Transmission Unit

33. INSPECT NO. 3 CLUTCH DRUM SUB-ASSEMBLY Transmission Unit

34. REMOVE FORWARD MULTIPLE DISC CLUTCH ASSEMBLY WITH FRONT PLANETARY RING GEAR





(a) Remove the forward multiple disc clutch assembly with front planetary ring gear, thrust needle roller bearing and race from the transmission case.

(b) Using needle-nose pliers, detach the snap ring and remove the ring gear and snap ring from the forward multiple disc clutch assembly.





35. REMOVE FORWARD MULTIPLE CLUTCH DISC SET





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

(b) Remove the flange, 6 discs, 6 plates and cushion plate.





36. INSPECT FORWARD MULTIPLE CLUTCH DISC Transmission Unit

37. REMOVE FORWARD CLUTCH PISTON





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

SST : 09380-50010

(b) Using SST, remove the snap ring.

SST : 09350-30020

09350-07070

(c) Remove the No. 1 clutch balancer and forward clutch return spring sub-assembly from the drum.





(d) Remove the O-ring from the balancer.

(e) Hold the clutch piston and apply compressed air to the oil hole of the drum to remove the clutch piston.





(f) Remove the 2 O-rings from the piston.

38. INSPECT FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY Transmission Unit

39. INSPECT FORWARD CLUTCH DRUM SUB-ASSEMBLY Transmission Unit

40. REMOVE MULTIPLE DISC CLUTCH HUB





(a) Remove the clutch hub from the transmission case.

(b) Remove the thrust bearing race and thrust needle roller bearing from the transmission case.

41. REMOVE SUN GEAR INPUT DRUM SUB-ASSEMBLY





(a) Remove the sun gear input drum, thrust needle roller bearing and race from the transmission case.

42. INSPECT SUN GEAR INPUT DRUM SUB-ASSEMBLY Transmission Unit

43. REMOVE 1-WAY CLUTCH OUTER RACE WITH NO. 1 1-WAY CLUTCH





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

SST : 09350-30020

09350-07060

(b) Remove the 1-way clutch outer race with 1-way clutch.





44. REMOVE REAR PLANETARY SUN GEAR ASSEMBLY





(a) Remove the sun gear and thrust bearing race from the transmission case.

45. INSPECT REAR PLANETARY SUN GEAR ASSEMBLY Transmission Unit

46. REMOVE REAR PLANETARY GEAR ASSEMBLY





(a) Remove the thrust needle roller bearing, rear planetary gear assembly and thrust bearing races from the transmission case.

47. INSPECT NO. 1 1-WAY CLUTCH Transmission Unit

48. REMOVE NO. 1 1-WAY CLUTCH





(a) Remove the 2 snap rings from the outer race.

49. INSPECT REAR PLANETARY GEAR ASSEMBLY Transmission Unit

50. REMOVE NO. 2 BRAKE DISC SET





(a) Remove the No. 1 plate, 4 discs, 3 No. 2 plates and flange.

51. INSPECT NO. 2 BRAKE DISC Transmission Unit

52. REMOVE DIRECT CLUTCH ASSEMBLY WITH REAR PLANETARY RING GEAR AND OUTPUT SHAFT SUB-ASSEMBLY





(a) Remove the 2 thrust needle bearings, 2 races, direct clutch assembly with rear planetary ring gear and output shaft from the transmission case.

53. REMOVE REAR PLANETARY RING GEAR

(a) Using needle-nose pliers, detach the snap ring and disconnect the rear planetary ring gear from the output shaft.





54. DISCONNECT DIRECT CLUTCH ASSEMBLY





(a) Disconnect the direct clutch drum from the output shaft and remove the thrust needle bearing and thrust bearing race from the output shaft.

(b) Remove the 3 clutch drum oil seal rings from the output shaft.





(c) Remove the 2 clutch drum oil seal rings from the direct clutch drum.





55. REMOVE NO. 2 CLUTCH DISC SET





(a) Remove the snap ring and flange, 6 discs and 6 plates from the direct clutch drum.

56. INSPECT NO. 2 CLUTCH DISC Transmission Unit

57. REMOVE DIRECT CLUTCH PISTON





(a) Place SST on the No. 2 clutch balancer, and compress the return spring with a press.

SST : 09387-00020

(b) Using SST, remove the snap ring.

SST : 09350-30020

09350-07070

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





(d) Remove the O-ring from the balancer.

(e) Hold the clutch piston and apply compressed air to the oil hole of the direct clutch drum to remove the clutch piston.





(f) Remove the O-ring from the piston.

(g) Remove the O-ring from the direct clutch drum.

58. INSPECT DIRECT CLUTCH RETURN SPRING SUB-ASSEMBLY Transmission Unit

59. REMOVE NO. 2 BRAKE PISTON





(a) Set SST on the brake piston return spring, tighten SST and compress the return spring.

SST : 09380-50010

(b) Using SST, remove the snap ring and the brake return spring.

SST : 09350-30020

09350-07070

(c) Hold the brake piston and apply compressed air to the oil hole of the transmission case to remove the brake piston.





(d) Remove the 3 O-rings from the brake piston.

60. INSPECT 2ND BRAKE PISTON RETURN SPRING SUB-ASSEMBLY Transmission Unit

61. REMOVE AUTOMATIC TRANSMISSION REAR OIL SEAL





(a) Using SST, tap out the oil seal.

SST : 09308-00010

62. REMOVE OUTPUT SHAFT REAR RADIAL BALL BEARING

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

(b) Using SST, remove the bearing.

SST : 09308-00010