Underdrive Clutch

UNDERDRIVE CLUTCH





COMPONENTS

DISASSEMBLY





1. Remove the input shaft snap ring.
2. Disconnect the input shaft.
3. Remove seal rings (two).
4. Remove the clutch reaction plate snap ring.
5. Disconnect the clutch reaction plate.
6. Disassemble the clutch discs (four) and plates (four).





7. Remove the under clutch piston snap ring using the special tool.
8. Remove the clutch spring retainer.
9. Remove the O-ring.
10. Remove the clutch return spring.
11. Remove the under clutch piston using compressed air.
12. Remove the O-rings(two).

REASSEMBLY
1. Install the O-ring (two).
2. Install the underdrive clutch piston.
3. Install the clutch return spring.
4. Install the O-ring.
5. Install the clutch spring retainer.





6. Install the clutch spring retainer snap ring using the special tool.





NOTE: Hold the 2 clutch discs together, end slice them a little, If there is a gap, they are wave discs.





7. Align the teeth of the clutch plate, the clutch disc and the clutch reaction plate (fig. A), and hold the underdrive clutch (fig. B).

CAUTION: Dip the clutch disc in ATF sufficiently before assembly.

8. Install the clutch reaction plate in the direction on figure.
9. Install the snap ring.





10. Check the gap between the snap ring and the reaction plate.
Standard value
F5A51-3: 0.063 - 0.071 inch (1.6 - 1.8 mm)





11. If the gap deviates from standard value, choose a proper snap ring (15 sizes).





12. Install the underdrive clutch assembly on the input shaft.
13. Install the snap ring on the input shaft.