1998 ISUZU TROOPER Service Repair Manual

Page 1737 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6A – 4 ENGINE MECHANICAL
Engine Cooling
Starting System
Cooling system Coolant forced circulation
Radiator (2 tube in row) Tube type corrugated
Heat radiation capacity J/h (kcal/h) 318 x 10
6(76000)

Page 1738 of 3573

ISUZU TROOPER 1998  Service Repair Manual ENGINE MECHANICAL 6A – 5
Charging System
Model (HITACHI) LR190-750B LR1100 – 731
Rated voltage V 12
Rated output A 90 100
Rotation direction
Clockwise
(As viewed from pulled)
Pulley effective diam

Page 1739 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6A – 6 ENGINE MECHANICAL
SERVICE STANDARD
Enginemm (in)
Parts Items Service standard Service limit Remarks
Cylinder Head
Valve Spring
Valve and
Valve guide
Camshaft0.075 (0.0030) or less
95.0 (3.740

Page 1740 of 3573

ISUZU TROOPER 1998  Service Repair Manual ENGINE MECHANICAL 6A – 7
Parts Items Service standard Service limit Remarks
Tappet
Crankshaft
Piston,
Piston pin,
Piston ring
and
Connecting
rod32.977 – 32.990
(1.2983 – 1.2988)
0.01 – 0.039
(

Page 1741 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6A – 8 ENGINE MECHANICAL
Parts Items Service standard Service limit Remarks
Cylinder 
Block—
95.421 – 95.450
(3.7567 – 3.7579)0.20 (0.0079) Warpage
(Upper surface of the cylinder block)
Cylind

Page 1742 of 3573

ISUZU TROOPER 1998  Service Repair Manual ENGINE MECHANICAL 6A – 9
SERVICING
Servicing refers to general maintenance procedures to
be performed by qualified service personnel.
MODEL IDENTIFICATION
Engine Serial Number
The engine number is s

Page 1743 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6A – 10 ENGINE MECHANICAL
8. Check the engine oil level and replenish to the
specified level if required.
9. Start the engine and check for oil leakage from the
main oil filter.
FUEL SYSTEM
Fuel fil

Page 1744 of 3573

ISUZU TROOPER 1998  Service Repair Manual ENGINE MECHANICAL 6A – 11
Remove the radiator filler cap only when absolutely
necessary.
Always check the coolant level when the engine is cold.
Always refer to the chart at the left to determine th