check engine SSANGYONG MUSSO 1998 Workshop Service Manual

1B2-24 M161 ENGINE MECHANICAL
5. Disconnect the vent hose from the A/C bracket.
6. Unscrew all the mounting bolts (arrows) and remove the
A/C bracket and the gasket.
Installation Notice
7. Clean the sealing surface.
8. Replace the gasket with new one.
9. Installation should follow the removal procedure in the
reverse order.
10. Check the oil leakage by operating the engine after
installation.
Tightening Torque 22.5 - 27.5 Nm

1B2-28 M161 ENGINE MECHANICAL
POLY V-BELT
Preceding Work : Removal of cooling fan
1 Poly V-belt (2,155 mm)
2 Belt Tensioning Pulley
Removal & Installation Procedure
1. Release the belt tension by turning the stud on the cap with
12 sided wrench or spanner counterclockwise.
2. Remove the poly v-belt.
Notice
Check the belt for damage and tensioning pulley bearing
point for wear and replace them if necessary.
3. Install the belt after prying the tensioning pulley.
3 Belt Tensioner

1B2-32 M161 ENGINE MECHANICAL
3. Pointed rib.
4. Belt cord visible in the base of rib.
POLY V-BELT INSPECTION
lMake marks on the belt with chalk.
lRotate the engine and check the belt for damage.
Notice
If one of the following types of damages is found, replace
the belt.
1. Rubber lumps in the base of rib.
2. Dirt or grit ingrained.

1B2-42 M161 ENGINE MECHANICAL
10. Remove the cylinder head bolts in the reverse order of
the numerics (No.10 ® No.1).
Installation Notice
Tighten the bolts as numerical order with specified torque
(No.1 ® No.10).
Holder 104 589 00 40 00
1 Cylinder Head Bolt
2 M8 X 35 Bolt & Washer
3 Bearing Cap
4 Engine Hoist
5 Gasket
6 Hanger Bracket
Tightening Torque1st step 55 ± 5 Nm
2nd step + 90°
3rd step + 90°
11. Remove the No. 1 bearing cap of the exhaust camshaft.
Installation Notice
Tightening Torque 22.5 - 27.5 Nm
12. Install the special tool (05) on the bearing cap removed
place and hook the engine hoist into them and remove
the cylinder head carefully.
13. Check the cylinder head mating surface and clean the
crankcase head bolt mounting hole.
14. Replace the cylind head gasket with new one.Notice
Operate during engine cooling.

M161 ENGINE MECHANICAL 1B2-43
15. Check the length of the cylinder head bolt.
Tightening TorqueWhen New 100 mm
Max. Length 105 mm
Notice
Replace the bolt if the measured length exceed the max.
length.
16. Installation should follow the removal procedure in the
reverse order.

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

1B2-52 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.

M161 ENGINE MECHANICAL 1B2-57
Installation Notice
lMake sure the crankshaft bearing cap properly seated
in place in the crankcase side. When perfectly
installed, the projected part (arrow) locates in the left
side (intake manifold side).
lAssemble so that the projected part of the cap and
crankcase face the same direction.
Removal & Installation Procedure
1. Unscrew the connecting rod bearing cap bolt and remove
the bearing cap.
Installation Notice
2. Unscrew the crankshaft bearing cap bolts and separate
the upper and lower bearing shells and thrust washers.
Installation Notice
lRemove the bearing cap from front (pulley side) to
rear.
lMake sure that the upper and lower bearing shells do
not change each other and coat with engine oil.
lThe oil grooves (arrows) in the thrust washers must
face outward and insert the thrust bearing into the
bearing cap.
lThere are five kinds of thrust washers by thickness.
Select the proper washer when repaired.
3. Remove the crankshaft.
4. Installation should follow the removal procedure in the
reverse order.
5. After completion of the installation, check for the rotating
condition of the crankshaft.
lMake sure that the upper and lower bearing shells do
not change each other.
lCoat the bearing shell with engine oil.
lInstall the bearing cap according to the consecutive
number.
Part No. : 601 030 00 622.15 mm
Part No. : 601 030 01 622.20 mm
Part No. : 601 030 02 622.25 mm
Part No. : 601 030 03 622.30 mm
Part No. : 601 030 04 622.40 mm
Tightening Torque 40 Nm + 90°
Tightening Torque 55 Nm + 90°