1998 ISUZU TROOPER Service Repair Manual

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Page 1801 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6A – 68 ENGINE MECHANICAL
3. Determine the thickness of the adjuster as follows.
1) Measure the thickness of the removed adjuster
with a micrometer.
2) Calculate the thickness of a new adjuster.
Cal

Page 1802 of 3573

ISUZU TROOPER 1998 Service Repair Manual ENGINE MECHANICAL 6A – 69
OIL RAIL AND INJECTOR
REMOVAL
Prior to removal, be sure to confirm and record the
group code of the injector installed using Tech2.
1. Disconnect battery ground cable.
2. R

Page 1803 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6A – 70 ENGINE MECHANICAL
(For example)
If you find identification marking “A”, “RA” and “2”
on the injector, you can use injector grade “A”. (The
“RA” is sometimes printed, but

Page 1804 of 3573

ISUZU TROOPER 1998 Service Repair Manual ENGINE MECHANICAL 6A – 71
12. Immediately install high pressure oil pipe and
tighten to specified torque.
Torque: 80 N·m (8.1 kg·m / 57.9 lb ft)
13. Install cylinder head noise insulator cover.
Re

Page 1805 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6A – 72 ENGINE MECHANICAL
CRANK CASE
REMOVAL
1. Drain engine oil.
2. Remove transmission assembly.
3. Remove crankshaft damper pulley.
4. Remove timing belt cover, timing belt, pulley and
front plat

Page 1806 of 3573

ISUZU TROOPER 1998 Service Repair Manual ENGINE MECHANICAL 6A – 73
INSTALLATION
1. Install relief valve (if it was removed).
Torque: 30 N·m (3.1 kg·m / 22 lb ft)
2. Insert O-ring to strainer, install strainer and tighten
to specified tor

ENGINE MECHANICAL 6A – 73
INSTALLATION
1. Install relief valve (if it was removed).
Torque: 30 N·m (3.1 kg·m / 22 lb ft)
2. Insert O-ring to strainer, install strainer and tighten
to specified torque.
Torque: 20 N·m (2.0 kg·m / 14.5 lb ft)
3. Apply liquid gasket (TB1207B or equivalent) to
surface of oil pan and tighten bolt to the specified
torque.
Torque: 19 N·m (1.9 kg·m / 13.7 lb ft)
4. Apply engine oil to the balance shaft and insert it
into crank case.
NOTE:
•Do not damage bearing when inserting the balance
shaft.
•Make sure it rotates smoothly.
5. Tighten thrust plate of balance shaft LH.
Torque: 25 N·m (2.5 kg·m / 18 lb ft)
6. Set O-ring port of oil gallery on the cylinder block.
7. Apply liquid gasket (TB1207C or equivalent) to
crankcase fixing surface then tighten bolts to the
specified torque.
Torque: 25 N·m (2.5 kg·m / 18 lb ft)
NOTE: Make sure there is no oil, dust or scratches on
the surface coated with liquid gasket and mount within
five minutes of gasket application.8. Install retainer with oil seal.
9. Install rear plate (A/T) or flywheel housing (MT),
tighten bolt to the specified torque.
Torque: 97 N·m 9.9 kg·m / 72 lb ft)
10. Install flywheel assembly with applied engine oil to
the bolt, tighten the bolt using angular tightening
method.
1st step: 59 N·m (6.0 kg·m / 43 lb ft)
2nd step: 60° to 90°
11. Install oil level gauge guide assembly.
12. Install timing gear case.
Torque: 20 N·m (2.5 kg·m / 14.5 lb ft)
13. Install timing gears
Refer to “Timing Gear” in this manual.
14. Remove lock bolt from idle gear A and remove lock
pin from idle gear C.
15. Install timing gear case cover.
Torque: 20 N·m (2.5 kg·m / 14.5 lb ft)
16. Install oil pump pulley.
Torque: 10 N·m (1.0 kg·m / 7.2 lb ft)
17. Install camshaft pulley tighten bolt with angular
tightening method.
Torque:
1st step: 40 N·m (4.0 kg·m / 29 lb ft)
2nd step: 75°
18. Install timing belt and belt tensioner.
Refer to “Timing Gear” in this manual.
19. Install crankshaft damper pulley.
Torque: 220 N·m (22 kg·m / 159 lb ft)
20. Fill engine oil.
2
2~2.5mm
2~2.5mm
Apply liquid gasket around inside
of the bolt hole
Bolt hole
Inside
Outside
F06HX00001
2
2~2.5mm
2~2.5mm
Apply liquid gasket around inside
of the bolt hole
Bolt hole
Inside
Outside
F06HX00001

Page 1807 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6A – 74 ENGINE MECHANICAL
CRANKSHAFT
1
15
14
13
8
11
16
17
10
9
72
12
3
465
18
012RW023
Legend
(1) Cylinder Head
(2) Cylinder Head Gasket
(3) Flywheel
(4) Cylinder Block Rear Plate (for A/T) or Flyw

Page 1808 of 3573

ISUZU TROOPER 1998 Service Repair Manual ENGINE MECHANICAL 6A – 75
DISASSEMBLY
1. Cylinder Head
1) Refer to “Cylinder head” in this manual.
2. Crankshaft Front Oil Seal
1) Use a plastic hammer and a screwdriver to tap
around the oil se

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