1998 ISUZU TROOPER Service Repair Manual

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Page 2137 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6G – 6 ENGINE LUBRICATION
OIL COOLER ASSEMBLY
REMOVAL
1. Disconnect battery ground cable.
2. Drain engine coolant.
3. Remove front exhaust pipe.
4. Remove heat protector.
5. Remove exhaust valve ass

6G – 6 ENGINE LUBRICATION
OIL COOLER ASSEMBLY
REMOVAL
1. Disconnect battery ground cable.
2. Drain engine coolant.
3. Remove front exhaust pipe.
4. Remove heat protector.
5. Remove exhaust valve assembly.
6. Oil cooler assembly.
1) Remove water hose from water inlet and outlet
side.
2) Cloth should be put under the oil cooler to
prevent oil from flowing out.
3) Loosen fixing bolt then remove oil cooler
assembly.
Legend
(1) Oil cooler assembly
(2) Oil filter assembly
INSPECTION AND REPAIR
1. Inspect for corrosion, wear, and breaks on the oil
cooler core.
2. If a problem is found on the oil cooler core, the oil
cooler assembly must be replaced.
INSTALLATION
1. Oil cooler assembly
1) Tighten oil cooler fixing bolt to the specified
torque and install water hoses.
Torque: 29 N·m (3.0 kg·m / 21.7 lb ft)
2. Install exhaust valve assembly to turbocharger
assembly and tighten to the specified torque.
Torque: 27 N·m (2.7 kg·m / 19.5 lb ft)3. Install front exhaust pipe to the exhaust valve.
Torque:
67 N·m (6.8 kg·.m / 49.2 lb ft)
(At exhaust valve side)
43 N·m (4.4 kg·m / 32 lb ft)
(At center exhaust pipe side)
4. Install heater protector.
5. Fill engine coolant.
6. Connect battery ground cable.
7. Start engine and carefully check for leakage of oil
and coolant.
OIL COOLER SPECIFICATIONS
Cooling methodWater cooled
Multi plate type
Heat exchange Area 0.323 m
2
Heat exchange capacity >11,300 kcl/h
Relief Valve opening
245 Kpa (2.5 kg/cm2/36 psi)pressure
OIL FILTER
REMOVAL
1. Put container under the oil filter to prevent oil from
the oil filter from flowing out.
2. Use filter wrench to remove oil filter.
Filter wrench: 5-8840-0203-0
INSTALLATION
1. Apply engine oil thinly to oil filter O-ring.
2. Tighten oil filter by hand until O-ring comes in
contact with the sealing surface.
3. Use filter wrench to tighten oil filter one turn and 1/8
turn.
4. Start engine and carefully check for oil leakage from
oil filter.
SUB OIL FILTER
The sub oil filter requires no servicing until the
replacement interval is reached.
The element is designed to provide special filtering
efficiency until it becomes due for replacement.
It is recommended to check and replace the sub oil filter
when the engine is being overhauled or if it is broken
inside the engine.
For Europe1
2
050R200001

Page 2138 of 3573

ISUZU TROOPER 1998 Service Repair Manual ENGINE SPEED CONTROL 6H – 1
ENGINE SPEED CONTROL
CONTENTS
General Description . . . . . . . . . . . . . . . . . . 6H–2 Accelerator Pedal . . . . . . . . . . . . . . . . . . . . 6H–3

Page 2139 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6H – 2 ENGINE SPEED CONTROL
GENERAL DESCRIPTION
�
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101R200006
Engine control has been changed from the control
cable system to an electronically controlled TP (Throttle
Position) sensor.
The TP

Page 2140 of 3573

ISUZU TROOPER 1998 Service Repair Manual ENGINE SPEED CONTROL 6H – 3
REMOVAL
1. Remove harness connector from accel position
(AP) sensor.
2. Remove accelerator pedal assembly from chassis.
INSPECTION AND REPAIR
1. Check moving condition of

Page 2141 of 3573

ISUZU TROOPER 1998 Service Repair Manual MEMO

Page 2142 of 3573

ISUZU TROOPER 1998 Service Repair Manual INDUCTION 6J – 1
INDUCTION
CONTENTS
General Description . . . . . . . . . . . . . . . . . . 6J–2
Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . 6J–3
Turbocharger . . . . . . .

Page 2143 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6J – 2 INDUCTION
There is a large intake silencer provided at the entrance
of the air cleaner. Air cleaner element is a viscous type
which features high filtration efficiency.
A resonator is used al

Page 2144 of 3573

ISUZU TROOPER 1998 Service Repair Manual INDUCTION 6J – 3
REMOVAL
1. Remove air cleaner cover with air duct.
2. Remove air cleaner element.
INSPECTION
Check air cleaner element for clogs, chokes and
breaks, and if any problem is found dur

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