1998 SSANGYONG MUSSO oil

1B2-46 M161 ENGINE MECHANICAL
8. Unscrew the bolts (A).
Installation Notice
Tightening Torque 22.5 - 27.5 Nm
9. Remove the belt pulley and vibration damper.
Installation Notice (Center Bolt)
Tightening Torque1st step 180 - 220 Nm
2nd step 80° - 100°
10. Unscrew the bolts (1, 2) on timing gear case cover and
remove the timing gear case cover.
Installation Notice
Tightening Torque 22.5 - 27.5 Nm
Notice
Be careful not to damage the cylinder head gasket.
11. Remove the radial shaft seal
Notice
Installation note replace the seal with new one.
12. Clean the timing gear case cover and crankcase sealing
surface.
13. Replace the O-ring with new one and apply the sealant on
the sealing surface.
Notice
Be careful not to stain the oil chamber of chain tensioner
with the sealant.
14. Installation should follow the removal precedure in the
reverse order.
15. Warm up the engine and check for oil leaks.

1B2-48 M161 ENGINE MECHANICAL
Tools Required
601 589 03 43 00 Sleeve
Removal & Installation Procedure
1. Unscrew the bolts (1) and (5) and remove the closing cover
by pulling the rear cover lug (arrows).
Notice
Be careful not to damage the oil pan gasket.
2. Clean the sealing surface of the crankcase and the rear
sealing cover.
3. Check the radial shaft seal and replace it if necessary.
4. Apply the Loctite 573 to the rear cover sealing surface.
5. Apply the engine oil to the dust lip of the radial shaft seal.
Notice
Do not use the grease.
6. Using the special tool, press the radial shaft seal and the
rear cover.
7. Tighten the rear cover bolt (1) and then tighten the oil pan
bolt (5) as specified and remove the special tool.
Installation Notice
Seal Assembler 601 589 03 43 00
Tightening Torque(Bolt 1,5) 9 - 11 Nm

1B2-50 M161 ENGINE MECHANICAL
Components
Service Data Standard
Permissble Deviation of The Vibration DamperRadial Runout
Axial Runout0.6 mm
0.6 mm
Tools Required
103 589 00 33 00 Puller
001 589 65 09 00 Socket Wrench Insert
001 589 74 21 00 Puller
000 589 88 33 00 Torque Wrench
602 589 00 40 00 Engine Lock
Removal & Installation Procedure
1. Adjust the piston of number 1 cylinder to the TDC.
1 Center Bolt (M18 x 50)
2 Center Bolt Washer
3 Vibration Damper and Pulley Assembly
4 Key
5 Crankshaft Front Seal
6 Timing Gear Case Cover
7 Crankshaft Sprocket (Camshaft Driven)
8 Crankshaft Sprocket (Oil pump Driven)
9 Crankshaft
10 Oil Pan
11 Oil Pan Gasket
12 Oil Pan Mounting Bolt (M6 x 22)

1B2-52 M161 ENGINE MECHANICAL
CRANKSHAFT FRONT RADIAL SEAL
Preceding Work : Removal of belt pulley and vibration damper
1 Center Bolt (M18 x 50)
............................... 1st step 200-220 Nm
2nd step 90° +10°
2 Center Bolt Washer
3 Sleeve (Special Tool)
4 Crankshaft Front Seal
5 Key
Tools Required
601 589 03 14 00 Sleeve
Replacement Procedure
1. Remove the radial seal with a screw driver.
Notice
Use a clean cloth not to damage the radial seal mounting
hole and the crankshaft.
5. Remove the sleeve and install the belt pulley and the
vibration damper.
6. Check for leaks while operating the engine.2. Coat the radial sealing lip with engine oil.
3. Using the sleeve, assemble the radial seal .
4. Align the sleeve groove and the woodruff key and tighten
the center bolt until the center bolt and the damper disk
stop in the movement.
Installation Notice
Tightening Torque1st step 200 - 220Nm
2nd step 90° + 10°

M161 ENGINE MECHANICAL 1B2-53
CRANKSHAFT REAR RADIAL SEAL
Preceding Work : Removal of flywheel or drive plate
1 Special Tool
2 Special Tool3 Crankshaft Rear Seal
Tools Required
601 589 03 43 00 Sleeve
Replacement Proceudre
1. Remove the radial seal with a screw driver.
Notice
Use a clean cloth not to damage the radial seal mounting
hole and the crankshaft.
2. Install the special tool (2) to the crankshaft.
3. Apply the engine oil on the special tool (2).
Notice
Do not use the grease.
4. Install the radial seal on the inner parts assembler.
5. Press in the special tool (1) until the radial seal is stopped.
6. Check for leaks while operating the engine.

1B2-54 M161 ENGINE MECHANICAL
CRANKSHAFT
Preceding Work : Removal of engine
Removal of cylinder head
Removal of timing gear case cover
Removal of crankcase sealing rear cover
Removal of oil pan
Removal of baffle plate
Removal of oil pump
1 Bearing Cap Bolt
(M8 X 55-10 pieces) ............ 1st step 50-60 Nm
2nd step 90°+5° rotation added
2 Bearing Cap
3 Upper Main Bearing
4 Lower Main Bearing
5 Upper Thrust Bearing
6 Lower Thrust Bearing
8 Crank Shaft

M161 ENGINE MECHANICAL 1B2-55
Arrangement of the Thrust Bearing and the Main Bearing
1 - 8 Weight Balance/Color Marking Point
j1 - j5 Journal Main Bearing #1 - #5
lColor Dot Marking
The color dot marking are put on the 1 , 2 , 4 , 6
, 8 , and it indicates the diameter of crankshaft journal
by color as below.A Crankcase Side
B Bearing Cap Side (Oil Pan Side)
1 Upper Main Bearing
2 Upper Thrust Bearing
3 Crankshaft
4 Lower Main Bearing
5 Lower Thrust Bearing

1B2-56 M161 ENGINE MECHANICAL
Selection of Crankshaft Main Bearing
1. Crankcase Side
There are seven punching marks on the mating surface
to oil pan. This mark is correspondent to the bearing
distinguished by color. Select the relevant bearing
according to the punching mark when repaired.
2. Crankshaft Bearing Cap Side
Select the crankshaft main bearing according to the
marking letter on the crankshaft main journal when
repaired.
Color Dot Marking
Blue
Yellow
Red
White
VioletCrankshaft Journal Diameter (mm)
57.960 - 57.965
57.955 - 57.960
57.950 - 57.955
57.945 - 57.950
57.940 - 57.945
Punching Mark
·
··
···
Bearing Color Selected
Blue
Yellow
Red
Marking Letter
B
Y
R
W
VBearing Color Selected
Blue
Yellow
Red
White
Violet
Service DataUnit : mm
Crankshaft
Bearing Jour-
nal DiameterCrankshaft
Bearing
DiameterCrankshaft
Journal Width
at fit bearingConnecting Rod
Bearing Journal
DiameterConnecting
Rod Bearing
Jourmal Width
Standard size
1st repair size
2nd repair size
3rd repair size
4th repair size57.950-57.965
57.700-57.715
57.450-57.465
57.200-57.215
56.950-56.96558 24.50-24.533 47.94-47.96
47.75
47.50
47.25
47.0027.958-28.042 Crankshaft Standard
and Repair Size
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