1998 SSANGYONG MUSSO engine

GENERAL ENGINE INFORMATION 1A2-13
Leakage Test
1. Warm the engine up to normal operating temperature.
2. Disconnect the negative battery cable.
3. Remove the spark plugs.
4. Check the coolant level by opening the coolant surge tank
cap and replenish if insufficient.
5. Open the engine oil filler cap.
6. Connect the tester to air pressure line and adjust the scale
of tester.
7. Install the connecting hose to spark plug hole.
9. Connect the connecting hose to tester and measure the
leakage volume after blowing up 5bar of compressed air.
Notice
Measure the leakage volume in the completely opening
condition of throttle valve by pulling the acceleration cable.
10. Perform the pressure test according to the firing order.
Notice
Firing Order : 1 - 3 - 4 - 2
11. Compare the leakage pressure with the specifications.8. Position the piston of No.1 cylinder at TDC by rotating the
crankshaft.

1A2-14 GENERAL ENGINE INFORMATION
GENERAL INFORMATION
CLEANLINESS AND CARE
An automobile engine is a combination of many
machined, honed, polished and lapped surfaces with
tolerances that are measured in the ten-thousanths of
an inch. When any internal engine parts are serviced,
care and cleanliness are important. A liberal coating of
enigne oil should be applied to friction areas during
assembly, to protect and lubricate the surfaces on initial
operation. Proper cleaning and protection of machined
surfaces and friction areas is part of the repair
procedure. This is considered standard shop practice
even if not specifically stated.
Whenever valve train components are removed for
service, they should be kept in order. They should be
installed in the same locations, and with the same mating
surfaces, as when they were removed.
Battery cables should be disconnected before any major
work is performed on the engine. Failure to disconnect
cables may result in damage to wire harness or other
electrical parts.
ON-ENGINE SERVICE
Caution: Disconnect the negative battery cable be-
fore removing or installing any electrical unit, or
when a tool or equipment could easily come in con-
tact with exposed electrical terminals. Disconnect-
ing this cable will help prevent personal injury and
damage to the vehicle. The ignition must also be in
LOCK unless otherwise noted.
Notice: Any time the air cleaner is removed, the intake
opening should be covered. This will protect against
accidental entrance of foreign material, which could
follow the intake passage into the cylinder and cause
extensive damage when the engine is started.

Application
Engine Type
Displacement (CC)
Cylinder (Bore x Stroke) (mm)
Fuel Injection / Ignition System
Compression Ratio
Number of Cylinders
Camshaft Valve Arrangement
Camshaft Drive Type
Max. Output (ps/rpm)
Max. Torque (kg•m/rpm)
Firing Order
Injection Timing
Valve Timing Intake Open/Close
(at 2mm lift) ExhaustOpen/Close
Valve Clearance Adjustment
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
SPECIFICATIONS
ENGINE SPECIFICATIONS
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
OM662LA
Four-Stroke Diesel
2874
89 x 92.4
PES 5 M55 C320 RS 168
22:1
5
SOHC
Chain-Drive
120 / 4000
25.5 / 4000
1-2-4-5-3
BTDC 18°± 10°
ATDC 11.33° / ABDC 17°
BBDC 28° / BTDC 15.25°
Automatic ControlOM661LA
Four-Stroke Diesel
2299
89 x 92.4
PES 5 M55 C320 RS 167
22:1
4
SOHC
Chain-Drive
101 / 4000
21.5 / 2400
1-3-4-2
BTDC 18°± 10°
ATDC 11.33° / ABDC 17°
BBDC 28° / BTDC 15.25°
Automatic Control

1A3-2 GENERAL ENGINE INFORMATION
OM 662 LA
720 - 820
135 - 143
8.0 - 9.5
Forced by Gear Pump
Combined Full-Flow and Partial Flow
Filter
Diesel Application
Idle Speed (rpm)
Fuel Injection Pressure (bar)
Oil Capacity (liter)
Lubrication Type
Oil Filter Type
Fuel
ENGINE SPECIFICATIONS (Cont'd)
OM661LA
750 - 850
135 - 143
6.5 - 8.0
Forced by Gear Pump
Combined Full-Flow and Partial Flow
Filter
Diesel

GENERAL ENGINE INFORMATION 1A3-3
SECTIONAL VIEW
OM662LA ENGINE
Front View

1A3-4 GENERAL ENGINE INFORMATION
Side View

GENERAL ENGINE INFORMATION 1A3-5
OM661LA ENGINE
Front View

1A3-6 GENERAL ENGINE INFORMATION
Side View