oil SSANGYONG MUSSO 1998 Workshop Repair Manual

5D1-20 TRANSFER CASE (PART TIME 4408)

72 Breather
73 Bolt
74 Adapter Assembly
75 Snap Ring
76 Oil Seal
77 Spiral Pin
78 Front Adapter
79 Retaining Ring
80 Bearing
81 Input Shaft Assembly
1. Remove the breather.
2. After removing 6 bolts, remove the front adopter by
separating the adapter sealer bond from the case
using a screw driver.
Notice
Be careful not to damage the contacting surface of
the case and adapter.
3. Remove the adapter assembly, input shaft assembly
and carrier gear assembly.
4. Remove the snap ring and oil seal from the front
adapter.5. After removing snap ring, pull out the bearing and
thrust washer from the input shaft assembly and
separate the input shaft assembly from the carrier
gear assembly.
6. Remove the needle bearing and sleeve bearing from
the input shaft assembly.
7. Remove the retaining ring, thrust plate rind sun gear
from the planet carrier assembly.
Notice
Do not disassemble the planet carrier assembly.
82 Sleeve Bearing
83 Needle Bearing
84 Input Shaft
85 Thrust Bearing
86 Carrier Gear Assembly
87 Retaining Ring
88 Thrust Plate
89 Sun Gear
90 Planet Carrier Assembly
111 Case

TRANSFER CASE (PART TIME 4408) 5D1-21

1. Remove the electric shift cam parts from the case assembly.
2. Separate the electric shift cam from the shift shaft.
3. Holding the shift shaft in a vise, remove the torsion spring
and spacer from the shift shaft using a screw driver.
100 Electric Shift Cam
101 Torsion Spring
102 Spacer
103 Shift Shaft
111 Case
105 Transfer Case Assembly
106 Oil Seal
107 Retaining Ring
108 Ball Bearing
119 Pin
110 Ring Gear
111 Case

1. Remove the oil seal.
2. Remove the retaining ring and bearing.
3. Remove the pin from the transfer case.
Notice
Be careful not to damage the pin.
4. Using a press, remove the ring gear from the case.

5D1-22 TRANSFER CASE (PART TIME 4408)
Cleaning Procedure
Notice
Before cleaning, check the magnet for the
presence of metal particles which indicate internal
chipping of the transfer case.
1. Using cleaning solvent, clean the residual oil and dirt
deposits.
Notice
During cleaning, be careful not to damage the metal
surfaces.
2. After cleaning, dry the parts with low pressure (Max. 20 psi)
compressed air.
3. Lubricate the ball bearings and needle bearings with transfer
case oil after cleaning.
Notice
Protect the lubricated bearings from dust.
Inspection Procedure
1. Visually check the all removed parts.
Notice
Always replace the hose coupling, O-ring and oil seal with
new parts.
2. Inspection Terms
lBurr : Local rise of material forming protruding sharp
edge
lChip : An area from which a small fragment has been
broken off or cut
lCrack : Surface break of line nature indicating partial or
complete separation of material.
lExcessive wear : Heavy or obvious wear beyond
expectations considering conditions of operation.
lIndentation : Displacement of material caused by localized
heavy contact.
lGalling : Breakdown of metal surface due to excessive
friction between parts. Particles of the softer material
are torn loose and welded to the harder material.
lNick : Local break or notch, usually displacement of
material rather than loss.
lScoring : Tear or break in metal surface from contact
under abnormal pressure.
lStep wear : Heavy wear that produces a step that can
be seen or felt between adjacent contact and noncontact
surfaces.
lUneven wear : Condition of localized, unevenly distributed
wear Includes hollows, shiny spots, uneven polish and
other visual indications.

TRANSFER CASE (PART TIME 4408) 5D1-25
Electric Shift Cam Parts
1. Insert the spacer into torsion spring.
2. Insert the end of the shift shaft into the spacer smoothly.
100 Electric Shift Cam
101 Torsion Spring
102 Spacer
103 Shift Shaft
Assembly Procedure
General Information
1. Use special tools during assembly of oil seals and bearings.
2. Lubricate bearings, oil seals and bushings before assembly.
105 Case Assembly
106 Oil Seal
107 Retaining Ring
108 Ball Bearing
109 Pin
110 Ring Gear
111 Case
106 Oil Seal
109 Pin
110 Ring Gear
111 Case
Transfer Case
1. If the ring gear was removed, align the outer diameter of
the new replaced ring gear with transfer case and assemble
it.
2. Insert the pin.
3. Insert the ball bearing to the case and install the retaining
ring.
4. Install the new oil seal by pressing into the case.
5. Make sure that all parts are correctly and firmly installed
into the case.

TRANSFER CASE (PART TIME 4408) 5D1-27
Adapter, Input Shaft and Carrier
72 Breather
73 Bolt
74 Adapter Assembly
75 Snap Ring
76 Oil Seal
77 Spiral Pin
78 Front Adapter
79 Retaining Ring
80 Bearing
81 Input Shaft Assembly 1. Place the planet carrier assembly on work bench to be the
retaining ring mounting groove upward.
2. Install the sun gear with the hub end up into the planet
carrier assembly and rotate the sun gear to make sure that
gears are fully engaged.
3. Align the tabs and install the thrust plate into the planet
carrier assembly.
4. Install the retaining ring to the planet carrier assembly.
5. Press the needle bearing into the input shaft and press the
new sleeve bearing into the input shaft assembly.
82 Sleeve Bearing
83 Needle Bearing
84 Input Shaft
85 Thrust Washer
86 Carrier Gear Assembly
87 Retaining Ring
88 Thrust Plate
89 Sun Gear
90 Planet Carrier Assembly
111 Case

5D1-28 TRANSFER CASE (PART TIME 4408)
6. Install the planet carrier assembly onto the input shaft
and install the thrust washer. Press the bearing over
input shaft.
7. After pressing the bearing, install the retaining ring.
8. Press the pin into the front adapter.
9. Slowly press the oil seal into the front adapter.
10. Install the front adapter assembly.
Notice
After installation, make sure that snap ring is correctly
installed into the groove.
11. Position the input shaft assembly over front cover and
engage into the bearing groove by expanding the ends of
snap ring.
12. Apply 1.6mm bead of sealant on the mounting face for
the transfer case and tighten the 6 bolts.
13. Install the breather.
75 Snap Ring
76 Oil Seal
77 Spiral Pin
78 Front Adapter
82 Sleeve Bearing
83 Needle Bearing
8 4 Input Shaft
Item
6 Bolts
BreatherTightening Torque
28 - 48 Nm
8 - 20 Nm

TRANSFER CASE (PART TIME 4408) 5D1-29
Front Output Shaft
1. Position the output shaft in transfer case and install the
companion flange assembly, oil seal, washer and nut.
2. Holding the companion flange, tighten the nut.
65 Nut
66 Washer
67 Oil Seal
70 Companion Flange
71 Output Shaft (Front)
111 Case
55 Output Shaft
57 Reduction Hub
58 Shift Fork Facing
59 Reduction Shift Fork Assembly
60 Roller, Pin and Retainer Assembly
61 Retainer
62 Pin
63 Roller Cam
64 Reduction Shift Fork
Reduction Shift Parts
1. Install the new pin, roller and retainer into the reduction
shift fork.
2. Press the pin, roller and retainer into the reduction spilt fork
bore completely.
Notice
Make sure that the cam roller turns freely.
3. Install the 2 fork facing on the reduction shift fork assembly.
4. Install the reduction shift fork onto the previously installed
reduction hub in the transfer case.
5. Install the output shaft spline into the reduction hub and
engage the output shaft end with input shaft bearing.
Notice
For installation of the output shaft, assemble
the oil pump temporarily.

5D1-30 TRANSFER CASE (PART TIME 4408)
Oil Pump
1. Install the pump front cover to be the ‘TOP’ mark down and
turn the cover to be the ‘TOP’ mark up when installed in
vehicle.
2. Install the 2 pump pins and spring to the output shaft.
Notice
Flat surface of the pins must point out and align the center
line of pins and spring.
3. Connect the hose coupling to the strainer coupling and
install the strainer foot into the transfer case slot.
Notice
The hose coupling must face the pump assembly.
4. Install the pump housing to be the 'REAR' mark up and seat
the 2 pump pins inside of the pump housing by moving
pump pins inward and compressing the spring.
5. Tighten the hose to pump housing by hose clamp.
6. Position the pump rear cover to be the ‘TOP REAR’ mark
up and located at the top of transfer case when installed in
vehicle. Position the pump retainer on the cover so that tab
on the retainer is in notch in the transfer case. Apply Loctite
to the bolts and tighten the bolts with turning the output
shaft by hand to make the pump pins move freely.
45 Shaft and Pump Assembly
46 Bolt
47 Pump Retainer
48 Rear Pump Cover
49 Hose Clamp
50 Hose Coupling
54 Pump Housing
52 Pump Pin
53 Spring
54 Front Pump Cover
55 Output Shaft
56 Strainer
40 Snap Ring
41 Spacer
42 Drive Sprocket
43 Driven Sprocket
44 Drive Chain
55 Output Shaft (Rear)
71 Output Shaft (Front)
Drive Chain
1. Position the drive sprocket to the rear output shaft end and
driven sprocket to the front output shaft end.
2. Install the drive chain onto the sprocket.
3. Holding each sprocket to be the drive chain tight and parallel
with transfer case, install the drive chain assembly to the
output shafts.
4. Rotate the driven sprocket slightly to engage splines on
the front output shaft.
5. Install the spacer to the front output shaft and insert the
snap ring into the shaft groove over spacer.
Tightening Torque 4 - 8.5 Nm

5D1-32 TRANSFER CASE (PART TIME 4408)
Cover
1. Position the cover to be the open end up on the work table.
2. Position the end of needle bearing to be identification mark
up and press into the cover until upper end of bearing is
40.47 - 40.97mm below cover face that contacts with transfer
case.
3. Press the ball bearing into the cover and install the snap
ring .
4. Install remaining parts as follows.
lInstall the 4 O-rings on the stud bolts of the clutch coil
assembly.
lInstall the clutch coil assembly inside the cover and
tighten 3 nuts.
18 Oil Seal
19 Bushing
20 Nut
21 Clutch Coil Assembly
22 Snap Ring
23 Ball Bearing
24 Needle Bearing
25 Cover
Tightening Torque 8 - 11 Nm
lInstall the bearing and motor bearing into the cover.

TRANSFER CASE (PART TIME 4408) 5D1-33
4. Install the cover onto the transfer case as follows :
lAlign the cover bores with transfer case pins.
lAlign the cover bearings with output shafts.
lAlign the cover blind hole with rail shaft and make sure
that return spring is not cocked.
29 Return Spring
38 Rail Shaft
55 Output Shaft
71 Front Output Shaft
103 Shift Shaft
109 Dowel Pin
Cover Assembly
14 Bolt
15 Wiring Clip
16 Identification Tag
17 Cover Assembly
26 Magnet
27 Speed Gear
28 Oil Seal
29 Return Spring
38 Rail Shaft
111 Case
1. Install the return spring over rail shaft in the transfer case.
2. Insert the magnet into the transfer case slot.
3. Apply 1.6mm bead of Loctite RTV 598 to the transfer case
mounting surface.
Notice
For installation of cover, align the transfer case with cover
not to use excessive force.
13 Motor Assembly
14 Bolt
15 Wiring Clip
16 Identification Tag
5. Tighten 9 bolts positioning identification tag and wiring clip.
6. Install the speed gear over output shaft spline in the cover
assembly.
7. Press the new oil seal into the cover assembly.
Tightening Torque 28 - 48 Nm