clutch SSANGYONG MUSSO 2003 Service Manual

TRANSFER CASE (TOD) 5D2-27
Defect in speed sensor : fault code 1731, 1732, 1733, 1734, 1735,1736
Phenomenon
1. Upon diagnosis by SCANNER, it displays on fault code
1731, 1732, 1733, 1734, 1735 and 1736.
2. “4WD CHECK ” lamp illuminates continuously when
ignition “ON ”.
Cause
1. Defect of speed sensor (front, rear).
2. Defect of power supply.
4.75-5.25Vdc
Ye sNo
D1
Ye s
No
D2
Ye s
Ye s
Ye sNo
D3 Test Stage / Contents
Result
Stage T est Contents and Procedure Specified Value
/Yes/No Countermeasure
Check power supply of speed sensor.
1. Ignition
“ON ” or driving mode
2. Measure supply voltage between pin 16 (+) and 13 (-) in
TOD control unit connector using digital multi-tester.
- Specified value
- Measured value is within specified range ?
Check connection status of connector.
1. Check connection status of speed sensor/clutch coil connector and TOD control unit connector.
- Does it connect correctly ?
2. In case of bad connection, connect it correctly then perform the follows:
a. Delete the memorized fault code in control unit by
SCANNER.
b. Ignition “OFF ”.
c. Ignition “ON ”.
d. Diagnose by SCANNER.
- It does not display fault code.- It displays one or more fault code among 1731 to1736.
Check output wave of front and rear speed sensor.
1. Upon driving mode.
2. Check output wave of each speed sensor by SCANNER.
3. Is it normal on output wave ? Perform D3 stage Perform D2 stage
Perform D3 stagePerform D2-2 stage Normal system Perform D3 stage Perform D4 stage Replace speed sensor then perform D2-2 stage

TRANSFER CASE (TOD) 5D2-35
Removal & Installation Procedure1. Disconnect (-) cable from battery.
2. Lift on vehicle and make sure on safety. NoticeBe careful for catalytic converter due to high temperature after driving or engine running.
3. Prepare a vessel to drain transfer case and manual transmission oil.
4. Release drain plug and drain transfer case and manual transmission oil. If planar damper is installed, unscrew 4 bolts and remove
the planar damper. NoticeOil drain should be along with whole transfer case
disassembly and assembly.
5. Disconnect transmission extension wiring connector back
side transfer case. Notice
When disconnect connector, make sure on direction of locking tab towards inside.
6. Disconnect shift motor/clutch coil connect (Black 7 pin) connector upper backside.
7. Disconnect front and rear speed sensor connector (white 7 pin).
8. Disconnect speedometer sensor connector right upper side.
9. Disconnect breather tube front upper side transfer case (upper connecting point of transfer case and front propeller).
10. Prepare hydraulic jack and support transfer case assembly.

TRANSFER CASE (TOD) 5D2-37
Replacement of Shift Motor
1. Disconnect (-) cable from battery.
2. Disconnect shift motor/clutch coil connector (black pin7)upper backside.
3. Unscrew 3 units of shift motor mounting bolts (M10).
4. Unscrew 1unit of bracket mounting bolt (M10). Installation Notice
Tightening Torque 9 - 11 Nm
Notice When disconnecting shift motor and mounting bracket, it is required to unscrew 2 units of adjusting bolts (M10) formmotor and bracket.
5. Keep shift motor even then pull rearward.
6. Clean connection surface of transfer case and shift motor.
7. If necessary, make a test by SCANNER with shift motor assembly.Notice
Do not disassemble shift motor. If necessary, replace by shift motor assembly unit.
8. Applying sealant into connecting surface for new shift motor.
9. Installation should follow the removal procedure in the reverse order. Before installation, make sure that motor position match with mode of 4H/4L switch. ReferenceWhen accord position of motor with 4H/4L switch and transfer case match position of the disconnected motor and newone.

5D2-38 TRANSFER CASE (TOD)
SPEED SENSOR IN FRONT AND REAR PROPELLER SHAFT Replacement Procedure
1. Disconnect (-) cable from battery.
2. Detach shift motor assembly.
3. Disconnect front and rear speed sensor connector (white 3pin) upper backside transfer case.
4. Disconnect speed sensor connect from locking sleeve by pushing.
5. Disconnect wire stick cap from the detached connector.
6. Unscrew rear speed sensor mounting bolt (M10) from upper side of rear case flange.
7. Detach sensor from transfer case by lifting up using tool. Notice
When disconnect sensor, make sure on adequate pressure due to sensitiveness with shock.
8. Disconnect taping from both protection tube ends that wrap 3 wires of speed sensor and 1 wire of clutch coil.
9. Disconnect tube.

5D2-42 TRANSFER CASE (TOD)1 Bearing
2 Bushing
3 Carrier Assembly
4 Sun Gear
5 Thrust Plate
6 Input Shaft
7 Output Shaft Thrust Washer
8 Bearing
9 Retaining Ring
10 Snap Ring
11 High-low Collar
12 Rear Output Shaft
13 Oil Strainer
14 Coupling Hose
15 Hose Clamp
16 Pump Assembly
17 Thrust Washer
18 Sprocket, Drive (24T)
19 Clutch Pack Assembly
20 Insulator Washer
21 Armature
22 Snap Ring
23 Wave Washer
24 Apply Cam
2 5 Ball
26 Cam and Coil Assembly
27 Nut, Metric
28 Output Shaft Yoke Washer
29 Oil Seal
30 Case Flange
31 Bolt
32 Upper Speed Sensor (Rear)
33 Nut
34 Washer
37 Bolt
38 Tag, Identification
39 Thrust Bearing
40 Clutch Coil Assembly
41 Fork, Reduction Shift 42 Shift Rail
43 Shaft, Shift
44 Spacer
45 Torsion Spring
46 Shift Cam
47 Transfer Case Shift Motor
48 Bolt
49 J-clip
50 Connector Retainer
51 Bolt
52 Support Stud
53 Lower Speed Sensor (Front)
54 Plug
55 Identification Decal
56 Cover
57 Tone Wheel, Lower
58 Chain, Drive
59 Sprocket, Driven (24T)
61 Magnet
62 Case
63 Case Flange and Output Shaft
64 Barb, Breather
68 Spiral Pin
69 Oil Seal
70 Pin, Dowel
71 Ring Gear
72 Retaining Ring
73 Snap Ring
74 Bearing
75 Snap Ring
76 Bearing
77 Speedometer Drive Gear
78 Facing, Shift Fork
79 Upper Tone Wheel
80 Oil Seal
81 Bearing Sleeve
82 Bearing

TRANSFER CASE (TOD) 5D2-43
Disassembly Procedure
1. Disconnect transfer case from vehicle
2. Using a 30mm thin-wall socket, first remove the rear outputnut, output shaft yoke washer, oil seal then the case flange.Installation Notice
27 Nut
28 Washer
30 Case Flange
Tightening Torque 137 - 196 Nm
3. Disconnect shift motor/clutch coil connector and speed sensor connector from upper bracket of transfer case. Notice
When disconnect connector, pull forwards grasping connector housing.
4. Remove outer tube on speed sensor connector.
5. Remove wire supporting cape back side of speed sensor connector.
6. Disconnect pin of clutch coil wire (yellow) from speed sensor connector (white 7 pin) using long-nose plier.
7. Remove shift motor.
Notice
When remove shift motor, pay attention to the location of
triangular slot and shaft in transfer case inside motor.
8. Disconnect front and rear speed sensor.

5D2-44 TRANSFER CASE (TOD)
9. Remove the bolts that retain the front case to therear case. Make sure that the front case is facing downward so that the rear cover is facing upwards. Pry on the bosses and separate the front case fromthe rear case. Remove all traces of gasket sealantfrom the mating surfaces of the front case and rearcase.
10. If the speedometer drive gear is to be replaced, first remove the flange seal by prying and pulling thecurved-up lip of the flange seal. Do not damage thebearing, bearing cage or case. Remove and discardthe flange seal. Remove the speedometer drive gearand upper tone wheel.
69 Yoke to Flange Seal
75 Snap Ring
76 Bearing
77 Speedometer Drive Gear
79 Upper Tone Wheel
40 Clutch Coil
40a Clutch Coil Retaining Bolts
40b Wire
11. If the rear output shaft bearing requires replacing, removethe internal snap ring that retains the bearing in the bore. From the outside of the case, drive out the bearing.
12. Remove the three nuts and washers retaining the clutch coil assembly to the rear case. Pull the assembly, alongwith the O-ring and wire, from the case.
13. Remove bearing assembly from output shaft. Remove the clutch housing from the output shaft. Remove the balls and apply cam and wave washer from the output shaft. Remove snap ring from output shaft. Remove clutch pack assembly from output shaft.
25 Ball
26 Cam and Coil Assembly

TRANSFER CASE (TOD) 5D2-45
19 Clutch Pack Assembly
22 Snap Ring
23 Wave Washer
24 Apply Cam
14. Remove the chain, driven sprocket and drive sprocketas an assembly.
15. Remove thrust washer from output shaft.
16. Remove the magnet from the slot in the front of the case bottom. Remove the output shaft and oil pump as an
assembly. NoticeIf there is removal resistance, do not pound or use force to disassemble the pump.
17. If required, to remove the pump from the output shaft, rotate the pump to align.
18. Pull out the shift rail.
18 Drive Sprocket
58 Drive Chain
59 Driven Sprocket
12 Rear Output Shaft
16 Oil Pump
6 1 Magnet
19. Remove the helical cam from the front case. If required,
remove the helical cam, torsion spring and sleeve from the shaft.
20. Remove the high-low range shift fork and collar as an assembly.
21. Expand the tangs of the large snap ring in the case. With the input shaft against a bench, push the case down and slide the main drive gear bearing retainer off the bearing.Lift the input shaft and front planet from the case.
22. If required, remove the oil seal from the case by prying and pulling on the curved-up lip of the oil seal. Do not damage the bearing, bearing cage or case.

TRANSFER CASE (TOD) 5D2-49
12. Install the output shaft and oil pump in the input shaft.Make sure that the internal splines of the ouput shaft
engage the internal splines of the high-low shift collar. Make sure that the oil pump retainer arm and oil filter leg are inthe groove and slot of the front case.
13. Install the magnet in the slot in the front case just above the oil filter leg.
14. Install the front output shaft in the front case.
15. Install the thrust washer on the rear output shaft. Install the chain, drive sprocket and driven sprocket as an assembly over the output shaft. Notice
The driven sprocket (on the front output shaft) must
be installed with the marking REAR facing toward the rear case, if so marked.
Drive sprocket has a bushing pressed into it.
16. Install tone wheel onto the front output shaft. Make sure the spline on the tone wheel engages the spline on thefront output shaft.
17. Install clutch pack assembly onto the rear output shaft. Make sure the spline of the clutch pack engages to the spline of the sprocket.
18. Install snap ring onto the rear output shaft. Start the snap
ring over the spline and use the wave spring to seat the snap ring in the snap ring groove. If the snap ring will notinstall, the thrust washer inside the clutch pack may not
be seated properly. 1 2 Rear Output Shaft
1 6 Oil Pump
6 1 Magnet
1 2 Rear Output Shaft
1 3 Oil Strainer
1 6 Oil Pump
1 6 a Pump Retainer

5D2-50 TRANSFER CASE (TOD)
19. Install wave spring, insulator washer and armature. (Threeoffset slots must align with housing to be installed) NoticeThree slots on the thrust washer must be aligned with the three tabs on the clutch pack housing.
20. Install apply cam onto the rear output shaft, install three balls into the apply cam, install cam and coil housing assembly onto rear output shaft. Install thrust bearing assembly onto output shaft.
21. If removed, drive the front output shaft ball bearing into
the rear cover bore with Front Shaft Needle Bearing Replacer and Driver Handle.
22. If removed, install the rear output bearing in the rear case bore. Drive the bearing into the rear case bore with OutputShaft Bearing Replacer and Driver Handle. Make sure thatthe bearing is not cocked in the bore. Install the internalsnap ring that retains the bearing to the rear case.
23. Install the clutch coil from inside the rear case until the wire and studs extend through the cover. Install the washersand nuts and tighten. CAUTIONDo not kink or trap the wire while seating the clutch coil to the case.
24. Slide the spring spacer on the camshaft and position it beneath the drive tang. Place the torsion spring on thecamshaft. Position the first spring tang to the left of thecamshaft drive tang(View A). Wind the second spring tang clockwise past the drive tang(View B). Push the torsion spring and sleeve in as far as it will go (View C). This willseat the second spring tang on the right side of the drivetang. Install the helical cam and slide the drive tang betweenthe torsion spring tangs as far as it will go.