hub SSANGYONG MUSSO 1998 Workshop Repair Manual

SECTION 1B3
OM600 ENGINE MECHANICAL
CAUTION: Disconnect the negative battery cable before removing or installing any electrical unit or when a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable
will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise
noted.
Specifications . . . . . . . . . . . . . . . . . . . . . . . 1B3-2
Fastener Tightening Specifications . . . . . . . . 1B3-2
Special Tools . . . . . . . . . . . . . . . . . . . . . . . 1B3-4
Special Tools Table . . . . . . . . . . . . . . . . . . . . 1B3-4
Maintenance and Repair . . . . . . . . . . . . . 1B3-12
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . 1B3-12
Engine Assembly . . . . . . . . . . . . . . . . . . . . 1B3-12
Poly V-Belt . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-21
Tensioning Device . . . . . . . . . . . . . . . . . . . . 1B3-23
Poly V-Belt Alignment & Inspection . . . . . . . 1B3-26
Prechamber . . . . . . . . . . . . . . . . . . . . . . . . 1B3-29
Milling of Prechamber Sealing Surface . . . . 1B3-32
TDC (TDC Sensor Bracket) Setting . . . . . . 1B3-35
Cylinder Head . . . . . . . . . . . . . . . . . . . . . . . 1B3-37
Timing Case Cover . . . . . . . . . . . . . . . . . . . 1B3-63
Crankshaft End Cover . . . . . . . . . . . . . . . . 1B3-71
Vibration Damper and Hub . . . . . . . . . . . . . 1B3-74
Crankshaft Front Radial Seal . . . . . . . . . . . 1B3-80
Crankshaft Ball Bearing . . . . . . . . . . . . . . . 1B3-82
Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-83
Flywheel . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-93
Machining of Flywheel . . . . . . . . . . . . . . . . 1B3-97
Flywheel Ring Gear . . . . . . . . . . . . . . . . . . 1B3-98
Hydraulic Valve Clearance Compensation
Element Check . . . . . . . . . . . . . . . . . . . . 1B3-101
Valve Tappets . . . . . . . . . . . . . . . . . . . . . . 1B3-103
Valve Spring Check . . . . . . . . . . . . . . . . . 1B3-105
Valve Springs (Cylinder Head Removed) . 1B3-106
TABLE OF CONTENTS
Valve Springs (Cylinder Head Installed) . . 1B3-109
Valve Stem Seals . . . . . . . . . . . . . . . . . . . 1B3-112
Check and Replacement of
Valve Guides . . . . . . . . . . . . . . . . . . . . . 1B3-116
Valve Seat Rings . . . . . . . . . . . . . . . . . . . 1B3-122
Check and Machining of Valves . . . . . . . . 1B3-127
Machining of Valve Seat . . . . . . . . . . . . . . 1B3-132
Camshaft Timing Test . . . . . . . . . . . . . . . . 1B3-137
Camshaft . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-139
Chain Tensioner . . . . . . . . . . . . . . . . . . . . 1B3-145
Timing Chain . . . . . . . . . . . . . . . . . . . . . . . 1B3-147
Tensioning Rail . . . . . . . . . . . . . . . . . . . . . 1B3-151
Cylinder Head Guide Rail . . . . . . . . . . . . . 1B3-152
Timing Case Cover Guide Rail . . . . . . . . . 1B3-156
Crankshaft Sprocket . . . . . . . . . . . . . . . . . 1B3-158
Piston . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-163
Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-169
Oil Pan . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-171
Oil Spray Nozzle . . . . . . . . . . . . . . . . . . . . 1B3-174
Oil Pump . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-175
Unit Repair . . . . . . . . . . . . . . . . . . . . . . . 1B3-177
Cylinder Head Pressure Leakage Test . . . 1B3-177
Facing Cylinder Head Mating Surface . . . . 1B3-178
Replacement of Crankcase Core Plug . . . 1B3-180
Facing Crankcase Contacting Surface . . . 1B3-182
Oil Gallery Steel Ball . . . . . . . . . . . . . . . . . 1B3-183
Cylinder Bore Measurement . . . . . . . . . . . 1B3-187

OM600 ENGINE MECHANICAL 1B3-35
TDC (TDC SENSOR BRACKET) SETTING
Preceding Work : Removal of No.1 cylinder prechamber
1 Measuring Device
2 Dial Gauge
3 Cylinder Head
4 Piston................................................Set at TDC
Tools Service
001 589 32 21 00 Dial Gauge
601 589 07 21 00 Deqth Gauge
667 589 01 21 00 Fixing Device
Notice
lThe TDC sensor bracket must be adjusted in case of
followings.
lWhen replacing the TDC sensor bracket.
lWhen replacing the crankshaft, the hub or the vibration
damper.
lWhen replacing or installing the timing case cover.
lAfter engine overhauling.
*If the cylinder head is removed, the measuring pin of the
dial gauge can be positioned on the piston crown.
This is done by placing the magnetic dial holder on the
mating surface of the crankcase.

OM600 ENGINE MECHANICAL 1B3-63
TIMING CASE COVER
Preceding Work : Removal of the cooling fan
Rmoval of the V-belt tensioning device
Removal of the vibration damper and hub
Removal of the alternator
1 Bolt............................................................10Nm
2 Cylinder Head Cover
3 Gasket ................................................... Replace
4 Socket Bolt................................................25Nm
5 Fuel Filter
6 Square Nut
7 Oil Pan
8 Socket Bolt................................................10Nm
9 Bolt.................................................... M6 : 10Nm
M8 : 23Nm
10 Power Steering Pump
11 Bolt
12 Belt Pulley1 3 Bolt............................................................32Nm
14 Timing Case Cover
1 5 Bolt............................................................23Nm
16 Alternator Bracket
1 7 Bolt............................................................45Nm
1 8 Bolt............................................................25Nm
1 9 Bolt............................................................10Nm
20 Closing Cover
21 Socket Bolt................................................23Nm
22 Guide Pulley
2 3 Bolt.............................................................. 9Nm
24 Guide Pulley Bracket
25 Nut .............................................................23Nm

1B3-74 OM600 ENGINE MECHANICAL
VIBRATION DAMPER AND HUB
Preceding Work : Removal of the cooling fan
Removal of poly V-belt
1 Bolt............................................................10Nm
2 Cooling Fan Belt Pulley
3 Socket Bolt................................................23Nm
4 Crankshaft Belt Pulley
5 Vibration Damper6 Bolt................................................200Nm + 90°
7 Washer
8 Straight Pin
9 Hub
10 Oil Pan

OM600 ENGINE MECHANICAL 1B3-75
Sectional View
3 Socket Bolt
4 Crankshaft Belt Pulley
5 Vibration Damper
6 Bolt
7 Washer
8 Straight Pin
Notice
The mounting position of vibration damper is fixed by straight
pin (8).
Tools Required
602 589 00 40 00 Engine Lock
103 589 00 30 00 Puller9 Hub
11 Radial Seal
12 Timing Gear Case Cover
13 Key
14 Crankshaft Sprocket
16 Crankshaft

OM600 ENGINE MECHANICAL 1B3-77
7. Remove the socket bolts (3) and then remove the belt
pulley (4) and vibration damper (5).
8. Remove the washer and bolt.
9. Remove the hub by using a puller.
Puller 103 589 00 33 00
10. Replace the radial seal.

1B3-78 OM600 ENGINE MECHANICAL
Installation Procedure
1. Install the hub.
Notice
Exactly align the woodruff key and the groove of hub (arrow).
2. Install the washer (7) and tighten the bolt (6).
Washer (new) : 1 EA 200 Nm + 90°
3. Install the vibration damper.
Notice
Exactly align and insert onto the straight pin.
4. Install the belt pulley.
Tightening Torque 25 Nm
Notice
Align the alignment marks.

M161 ENGINE CONTROLS 1F2-65
15 Manual Transmission
16 Distributor
Automatic Transmission
A. To Canister
B. To Auto Locking Hub

OM600 ENGINE CONTROLS 1F3-5
VACUUM CONTROL SYSTEM TEST
2 Engine Cut-Off Valve (Ignition Key Switch)
3 Auto-locking Hub Solenoid Valve
4 Engine Stop Valve Unit
5 PLA Vacuum Unit (Idle Speed Adjustment)
6 Engine
7 Vacuum Pump8 30° Thermovalve
9 Fuel Injection Pump
10 Filter with Restriction
11 Check Valve
12 Modulating Pressure Line (Automatic T/M)
Test Data
Idle Speed Increase
Permissible Pressure Drop of SystemAt least 100 rpm at approx. 500mbr
400 - 500mbar approx. 1 min.

OM600 ENGINE CONTROLS 1F3-35
INJECTION TIMING DEVICE
Preceding Work : Removal of injection timing device
1 Cam Sprocket........................................... Check
2 Bushing .................................................... Check
3 Governor Weights4 Segment Flange and Drive Hub
5 Compression Springs