1998 SSANGYONG MUSSO transmission

MANUAL TRANSMISSION 5B-17
UNIT REPAIR
MAJOR UNIT
Preceding Work : Removal of the transmission
Removal of the transfer case
Disassembly Procedure
1. Install the removed transmission into a fixture.
2. Remove the drain plug and drain the oil. Using a 13 mm
wrench, remove the clamp bolt and position the offset lever
in the 3-4 position of neutral.
Notice
Removal of the offset lever in a position other than 3-4 of
neutral will be difficult.
3. Using a pin punch and a hammer, remove the roll pin to
remove the shift lever from the offset lever.
4 . Using a 15 mm wrench, remove the 8 bolts from the extension
housing.
5. Separate the extension housing from the case and shift
cover.
Separate the offset lever from the shift.
Notice
Do not remove the offset lever while the extension housing
is still assembled to the case.
6. Remove the offset lever from the extension housing with
the detent ball and spring.
7. Remove the roll pin from either the offset lever or extension
housing.

5B-18 MANUAL TRANSMISSION
8. Remove the counter shaft thrust race and bearing.
9. Carefully remove the oiling funnel from the end of the
counter shaft.
10. Using a 10 mm wrench, remove the 10 bolts from the shift
cover.
Notice
For assembly, note the location of the two bolts.
11. Lift up the shift cover after sliding it toward the drain plug
about 3 cm. At this time remove sealer bond.
12. Using a needle nose pliers, remove the 5-R lever clip.

MANUAL TRANSMISSION 5B-19
13. Using a 21 mm wrench or a T-50 bit, remove the 5-R lever
pivot bolt.
Notice
Apply sealer bond to this bolt during assembly.
14. Using a 22 mm wrench, remove the back-up lamp switch
from the 5-R lever side.
Notice
Apply sealer to the threads.
15. Pull out the 5-R lever out of the transmission.
16. Using a snap ring pliers, remove the 5th synchronizer snap
ring from the end of the counter shaft.
17. Remove the 5th synchronizer assembly with its fork and
rail assembly from the counter shaft.

5B-20 MANUAL TRANSMISSION
18. Remove the slip yoke snap ring from the main shaft.
19. Remove the 5th speed drive gear snap ring from the main
shaft.
20. Make alignment marks on the case and input bearing
retainer and remove the 4 input shaft bearing retainer bolts,
using a 13 mm wrench.
Notice
Apply sealer on these bolts during assembly.
Remove the input bearing retainer with the bearing outer
race and shim.
21. Remove the input shaft from the case by rotating it until
the flat surface appears.
22. Remove the following parts from the input shaft.
l4th speed gear blocking ring.
lMain shaft thrust race and bearing.
lMain shaft pilot bearing rollers (15 rollers).
Notice
Be careful not to dissipate the pilot bearing rollers.

MANUAL TRANSMISSION 5B-21
23. Remove the main shaft in 2 steps.
lTo remove the rear bearing outer race, push the main
shaft rearward.
lTilt and lift the main shaft from the case.
24. Remove the reverse fork and spring from the case.
25. Remove the counter shaft as follows:
lUsing a punch and hammer, pry up the lock tabs.
lUsing a 13 mm wrench or T-40 bit, remove the 4 bolts.
lRemove the retainer and shim from the case.
lPush the counter shaft rearward to remove the rear
bearing outer race.

5B-22 MANUAL TRANSMISSION
26. Using a pin punch and a hammer, remove the roll pin fixed
on the reverse idler shaft.
27. By pushing the reverse idler shaft rearward and out of the
case, remove the reverse idler gear and O-ring.
28. Using a puller, remove the rear bearing assembly from the
counter shaft.

MANUAL TRANSMISSION 5B-23
Assembly Procedure
1. Using a hydraulic press and a supporting tool, press the
counter shaft rear bearing into the case. Be sure that the
supporting tool inside of the case should support the counter
shaft.
2. Without the shim, install the retainer and counter shaft rear
bearing outer race. Tighten the 4 retainer bolts.
3. Place a dial indicator on the case and measure counter
shaft end play by moving up and down.
4. Select a shim which is the same thickness as the indicator
rearing (up to 0.004 inch) and assemble it.
5. When the end play is correctly adjusted, remove the counter
shaft rear bearing retainer and outer race.
6. Using a pin punch and rubber hammer, install the reverse
idler shaft, gear and O-ring.
Tightening Torque 20 Nm

5B-24 MANUAL TRANSMISSION
7. Install the counter shaft rear bearing outer race, shim and
retainer.
Tightening Torque
39 - 52 Nm
lUsing a punch and hammer, bend the lock tabs on the
retainer.
8. Install the following parts :
lInstall the main shaft into case.
lInstall the main shaft rear bearing outer race into the
rear of the case.
lInstall the 4th speed blocking ring onto the front of the
main shaft.
lInstall the input shaft onto the front of the main shaft.
lInstall the input bearing retainer without shim onto the
front of the case.
lUsing a torque wrench, tighten the 4 bolts.
9. Install the 5th speed drive gear and blocking ring on the
counter shaft.
10. Install the 5th synchronizer and rail/fork.
11. Install the 5th synchronizer snap ring and oiling funnel.
12. Align the slots of the lever with the rollers of the reverse
fork and 5th shift rail. Apply sealer on the 5-R lever pivot
bolt and install it into the case.
Tightening Torque 28 Nm
13. Using a needle nose pliers, install the 5-R lever clip.