oil pressure SSANGYONG KORANDO 1997 Service Owner's Guide

1F2 -- 98 M161 ENGINE CONTROLS
D AEW OO M Y_2000
YAA1F180
14. Turn the roll over valves counterclockwise at an
angle of 90 degrees.
15. Turn the lock ring counterclockwise.
16. Remove and discard the gasket.
17. Installation should follow the removal procedure in
the reverse order.
YAA1F700
FUEL PRESSURE REGULATOR
Removal and Installation Procedure
1. Disconnect the negative battery cable.
2. Remove the fuel pressure test connector.
Installation Notice
Tightening Torque
25 NSm (18 Ib-ft)
YAA1F720
Caution: The fuel system is under pressure. To
avoid fuel spillage and the risk of personal injury or
fire, it is necessary to relieve the fuel system pres -
sure before disconnecting the fuel lines.
3. Relieve the fuel pressure in fuel supply system by
pressing the service valve.
YAA1F730
4. Disconnect the vacuum hose.
5. Disconnect the circlip and remove the fuel pressure
regulator.
6. Apply the oil to O-ring lightly and then replace it.
7. Perform a leak test of the fuel pressure regulator
with the engine off and the ignition on.
8. Installation should follow the removal procedure in
the reverse order.

1F2 -- 100 M161 ENGINE CONTROLS
D AEW OO M Y_2000
YAA1F770
Notice:Before removal, the fuel rail assembly may be
cleaned with a spray-type cleaner, following package in-
structions. Do not immerse the fuel rails in liquid clean-
ing solvent. Use care in removing the fuel rail assembly
to prevent damage to the electrical connectors and in-
jector spray tips. Prevent dirt and other contaminants
from entering open lines and passages. Fittings should
be capped and holes plugged during service.
Important:If an injector becomes separated from the
rail and remains in the cylinder head, replace the injector
O-ring seals and the retaining clip.
12. Remove the injectors and the fuel rail carefully.
13. Remove the fuel injector retainer clips.
14. Remove the fuel injectors by pulling them down and
out.
15. Discard the fuel injector O-rings.
16. Lubricate the new fuel injector O-rings with engine
oil. Install the new O-rings on the fuel injectors.
17. Perform a leak check of the fuel rail and fuel injec-
tors.
18. Installation should follow the removal procedure in
the reverse order.
YAA1F780
ENGINE COOLANT TEMPERATURE
SENSOR
Removal and Installation Procedure
1. Relieve the coolant system pressure.
2. Disconnect the negative battery cable.
3. Disconnect the engine coolant temperature sensor
connector.
Notice:Take care when handling the engine coolant
temperature sensor. Damage to the sensor will affect
the proper operation of the fuel injection system.
4. Remove the engine coolant temperature sensor
from the pump hosing.
Installation Notice
Tightening Torque
30 NSm (22 Ib-ft)
5. Installation should follow the removal procedure in
the reverse order.

D AEW OO M Y_2000
SECTION 1
ENGINE
SECTION 1A3 (OM600 ENGINE)
GENERAL ENGINE INFORMATION
TABLE OF CONTENTS
Specifications 1A3 -- 1............................
Engine Specifications 1A3-- 1.....................
Sectional View 1A3 -- 3............................
OM662LA Engine 1A3-- 3........................
OM661LA Engine 1A3-- 5........................
Performance Curve 1A3-- 7........................
OM662LA Engine 1A3-- 7........................
OM661LA Engine 1A3-- 8........................
Special Tools 1A3 -- 9.............................Special Tools Table 1A3-- 9.......................
Diagnosis 1A3 -- 10................................
Oil Leak Diagnosis 1A3-- 10.......................
Compression Pressure Test 1A3-- 11..............
Cylinder Pressure Leakage Test 1A3-- 13...........
General Information 1A3 -- 15......................
Cleanliness and Care 1A3 -- 15....................
On-- Engine Service 1A3-- 15......................
SPECIFICATIONS
ENGINE SPECIFICATIONS
ApplicationOM662LAOM661LA
Engine TypeFour -- Stroke DieselFour -- Stroke Diesel
Displacement (CC)28742299
Cylinder (Bore x Stroke)(mm)89 x 92.489 x 92.4
Fuel Injection / Ignition SystemPES 5 M55 C320 RS 168PES 5 M55 C320 RS 167
Compression Ratio22 :122 :1
Number of Cylinders54
Camshaft Valve ArrangementSOHCSOHC
Camshaft Drive TypeChain -- DriveChain-- Drive
Max. Output (ps/rpm)120 / 4000101 / 4000
Max. Torque (kgSm/rpm)25.5 / 400021.5 / 2400
Firing Order1--2--4--5--31--3--4--2
Injection TimingBTDC 18_±10_BTDC 18_±10_
Valve Timing
(t2lift)
IntakeOpen/CloseAT DC 11 . 3 3_/ ABDC 17_AT DC 11 . 3 3_/ ABDC 17_g
(at 2mm lift)ExhaustOpen/CloseBBDC 28_/ BTDC 15.25_BBDC 28_/ BTDC 15.25_
Valve Clearance AdjustmentAutomatic ControlAutomatic Control

1A3 -- 2 GENERAL ENGINE INFORMATION
D AEW OO M Y_2000
ENGINE SPECIFICATIONS (Cont’d)
ApplicationOM662LAOM661LA
Idle Speed (rpm)720 -- 820750 -- 850
Fuel Injection Pressure (bar)135 -- 143135 -- 143
Oil Capacity (liter)8.0 -- 9.56.5 -- 8.0
Lubrication TypeForced by Gear PumpForced by Gear Pump
Oil Filter TypeCombined Full-- Flow and Partial
Flow FilterCombined Full-- Flow and Partial
Flow Filter
FuelDieselDiesel

1A3 -- 10 GENERAL ENGINE INFORMATION
D AEW OO M Y_2000
DIAGNOSIS
OIL LEAK DIAGNOSIS
Most fluid oil leaks are easily located and repaired by
visually finding the leak and replacing or repairing the
necessary parts. On some occasions a fluid leak may be
difficult to locate or repair. The following procedures may
help you in locating and repairing most leaks.
Finding the Leak
1. Identify the fluid. Determine whether it is engine oil,
automatic transmission fluid, power steering fluid,
etc.
2. Identify where the fluid is leaking from.
2.1 After running the vehicle at normal operating
temperature, park the vehicle over a large sheet
of paper.
2.2 Wait a few minutes.
2.3 You should be able to find the approximate loca-
tion of the leak by the drippings on the paper.
3. Visually check around the suspected component.
Check around all the gasket mating surfaces for
leaks. A mirror is useful for finding leaks in areas that
are hard to reach.
4. If the leak still cannot be found, it may be necessary
to clean the suspected area with a degreaser, steam
or spray solvent.
4.1 Clean the area well.
4.2 Dry the area.
4.3 Operate the vehicle for several miles at normal
operating temperature and varying speeds.
4.4 After operating the vehicle, visually check the
suspected component.
4.5 If you still cannot locate the leak, try using the
powder or black light and dye method.
Powder Method
1. Clean the suspected area.
2. Apply an aerosol-- type powder (such as foot powder)
to the suspected area.
3. Operate the vehicle under normal operating condi-
tions.
4. Visually inspect the suspected component. You
should be able to trace the leak path over the white
powder surface to the source.
Black Light and Dye Method
A dye and light kit is available for finding leaks, Refer to
the manufacturer ’s directions when using the kit.
1. Pour the specified amount of dye into the engine oil fill
tube.
2. Operate the vehicle normal operating conditions as
directed in the kit.
3. Direct the light toward the suspected area. The dyed
fluid willappear as a yellow path leading to the
source.
Repairing the Leak
Once the origin of the leak has been pinpointed and
traced back to its source, the cause of the leak must be
determined n order for it to be repaired properly. If a gas-
ket is replaced, but the sealing flange is bent, the new
gasket will not repair the leak. Thebent flange must be
repaired also. Before attempting to repair a leak, check
for the following conditions and correct them as they
may cause a leak.
Gaskets
DThe fluid level/pressure is too high.
DThe crankcase ventilation system is malfunctioning.
DThe fasteners are tightened improperly or the threads
are dirty or damaged.
DThe flanges or the sealing surface is warped.
DThere are scratches, burrs or other damage to the
sealing surface.
DThe gasket is damaged or worn.
DThere is cracking or porosity of the component.
DAn improper seal was used (where applicable).
Seals
DThe fluid level/pressure is too high.
DThe crankcase ventilation system is malfunctioning.
DThe seal bore is damaged (scratched, burred or
nicked).
DThe seal is damaged or worn.
DImproper installation is evident.
DThere are cracks in the components.
DThe shaft surface is scratched, nicked or damaged.
DA loose or worn bearing is causing excess seal wear.

1A3 -- 14 GENERAL ENGINE INFORMATION
D AEW OO M Y_2000
Leakage Test
1. Run the engine to be the coolant temperature 80_C.
2. Remove the fuel injection nozzle.
3. Open the coolant subtank cap.
4. Check the coolant level and replenish if necessary.
5. Open the oil filler cap.
6. Remove the air cleaner cover and element.
7. Position the piston at TDC.
8. Install the connector (1) and connection piece (2).
9. Calibrate the tester and connect the connection
hose (3)
10. Pressurize with compressed air and compare the
pressure changes with permissible pressure leak-
age.
11. If permissible pressure leakage is out of standard,
check followings :
-- Intake and exhaust lines.
-- Sounds in oil filler area.
-- Air bubbles in radiator coolant.
12. Do pressure leakage test for the remaining cylinders
according to the firing order.
DOM 662LA Engine : 1-- 2-- 4-- 5-- 3
DOM 661LA Engine : 1-- 3-- 4-- 2
13. Remove the tester.
14. Close the coolant pressure cap and oil filler cap.
15. Install the air cleaner element and cover.
16. Install the fuel injection nozzle.

D AEW OO M Y_2000
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.
TABLE OF CONTENTS
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..
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.............

1B3 -- 92 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
24. Insert the new connecting rod bearing shells into the
connecting rod and connecting rod bearing cap and
tighten the 12--sided stretch bolts (11).
Tightening Torque40 N∙m (30 lb-ft) + 90_
25. Measure inner diameter of connecting rod bearing.
26. Measure connecting rod bearing journal diameter
(K).
Notice
Refer to measurement of the crankshaft bearing
journal diameter.
27. Measure the radial clearance (L) of the connecting
rod bearing.
Example) Measured value ’J’ = 47.700mm
Measured value ’K’ = 47.653mm
——————————————
Clearance ’L’ = 0.047mm
Radial Clearance ’L’0.026 -- 0.068mm
Notice
If the clearance is out of standard, adjust the radial
clearance of connecting rod bearing by replacing the
connecting rod bearing shells.
28. Remove the connecting rod bearing cap.
29. Install the piston.
30. Rotate the crankshaft by hand and check whether it
rotates smoothly.
31. If the bearings are damaged,
-- replace the oil presser relief valve.
-- clean the oil pump and oil filter housing carefully
and replace the hose if necessary.
Notice
After assembling the engine, check the camshaft
timing, adjust the start of fuel injection and check the
TDC sensor bracket setting.
32. Fill oil and run the engine and then check the oil
pressure and oil level.
Notice
Install the original oil filter element and then change
the engine oil and oil filter element after 1,000 --
1,500km.

OM600 ENGINE MECHANICAL 1B3 -- 169
D AEW OO M Y_2000
OIL FILTER
1 Nut 25 N∙m (18 lb-ft) ......................
2 Oil Filter Cover...........................
3 O -- Ring Replace..........................
4 Oil Filter Element Replace If necessary.....
5 Oil Filter Housing6 Bolt (M8) 10 N∙m(89lb-in) ................
7 Oil Pressure Switch
8 Gasket
9Bolt 25N∙m (18 lb-ft) .....................

1B3 -- 170 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
Remeval & Installation Procedure
1. Remove the oil filter cover and then drain the oil.
2. Remove the oil pressure switch line.
3. Remove the oil filter housing.
4. Clean the sealing surface.
5. Installation should follow the removal procedure in
the reverse order.