SsangYong Musso. Manual - part 478

AUTOMATIC TRANSMISSION  5A-89

Forward Clutch Cylinder

To remove the forward clutch cylinder, refer to figure 8.4,
proceed as follows.

1. Place the assembly in a horizontal position.

2. Remove the thrust bearing and adjustment shims from the

input shaft.

3. Remove the circlip from the front of the clutch cylinder and

remove the input shaft.

4. Remove the overdrive shaft and the C1 clutch hub assembly

from the clutch cylinder.

5. Remove the C1 clutch plates from the cylinder.

6. Remove the circlip retaining the C3 clutch hub in the rear of

the clutch cylinder and remove the hub.

7. Remove the C2/C4 clutch hub assembly and remove the

thrust bearing from the C4 hub.

8. Remove the C2 clutch plates.

9. Invert the clutch cylinder and remove the C4 clutch sleeve,

clutch plates and the two wave washers. The 3-4 one way
clutch is located between the C2 and C4 clutch hubs, and
the hubs may be separated by rotating one hub clockwise
and withdrawing it from the other.

Figure 8.4 - Forward Clutch Cylinder Assembly

5A-90  AUTOMATIC TRANSMISSION

10. Remove the thrust block from the C4 clutch cylinder hub.

Notice

Make sure that the spring keeper is not caught in the circlip
groove, and that all the spring pressure is released, before
removing the tool.

11. Mount the clutch cylinder on tool No.0555-331899 with

the C2/C4 end uppermost and compress the piston return
spring. Remove the spring retaining circlip. Release the
tool and remove the circlip, keeper and spring.

12. Invert the clutch cylinder on the compressor tool and

remove the C1 clutch piston return spring in a similar
manner.

13. To remove the clutch pistons from the clutch cylinder, apply

air pressure to the apply ports in the bore of the cylinder.

AUTOMATIC TRANSMISSION  5A-91

C3 Clutch Cylinder

To remove the C3 clutch cylinder, proceed as follows:

1. Remove the forward sun gear and thrust bearing from the

C3 clutch cylinder.

2. Remove the nylon thrust bearing, bearing support, needle

thrust bearing and thrust block from the clutch cylinder hub.

3. Mount the clutch assembly on tool No.0555-331899 and

compress the piston return spring.

Remove the circlip and release the spring.

Notice

Make sure that the spring keeper has not been caught in
the circlip groove, and that  all spring pressure has been
released, before removing the tool.

4. Remove the tool, circlip, keeper and spring.

5. Remove the sealing rings from the C3 clutch cylinder.

6. Remove the clutch plate retaining circlip and remove the

clutch plates.

7. To remove the clutch piston from the clutch cylinder, apply

air pressure to the port between the iron sealing rings on
the bearing journals of the cylinder.

8. Remove the reverse sun gear from the cylinder.

5A-92  AUTOMATIC TRANSMISSION

Planet Carrier and Centre Support

To remove the planet carrier and centre support, proceed as
follows.

1. Separate the planet carrier and centre support from the

output shaft. Remove the thrust bearings from the output
shaft and the planet carrier.

2. Separate the centre support from the planet carrier by

rotating it anti-clockwise.

3. Lift the one way clutch from the planet carrier.

4. Remove the circlip retaining the one way clutch outer race

in the planet carrier and remove the race.

5. Remove the one way clutch retainer from the planet carrier.

Pump

Note that the following valves are housed in the pump cover:

!

Solenoid 7

!

C1 bias valve

!

Converter clutch control valve

!

Converter clutch regulator valve

!

Primary regulator valve

To remove the pump, proceed as follows.

1. Remove the wiring loom retainer plate and remove

solenoid 7 with a T30 Torx bit.

2. Remove the five washer head bolts from the cover plate

using a multi-point 8 mm socket.

3. Remove the five Torx head screws from the cover plate

(Torx bit No. 30). Note that the odd screw holds the pump
body to the pump body cover.

Notice

Do not strike the converter support tube to loosen the
pump body.

4. Separate the pump body from the pump cover.

5. Lift the cover plate from the cover.

6. Remove the two ball check valves and one spring from

the pump cover.

Notice

Some of the valves and plugs are preloaded by springs
and may unexpectedly fall out of the cover when the pins
are removed.

7. Depress the plug inward and remove the retaining pin for

each of the four valves.

8. Remove the four valves, plugs and springs.

9. Remove the pump gears from the pump body.

10. Remove the lip seal from the front of the pump body.