Isuzu Trooper (1998-2002 year). Manual - part 248

6A–66

ENGINE MECHANICAL

Limit : 0.12 mm (0.0047 mm)

014RW035

Reassembly

1. Install camshaft drive gear assembly and tighten

three bolts to specified torque.

Torque: 10 N·m (1.0 Kg·m/89 lb in)

2. Tighten sub gear setting bolt.

1. Use 5–8840–2443–0 to turn sub gear to right

direction until the M5 bolt hole aligns between
camshaft driven gear and sub gear.

2. Tighten M5 bolt suitable torque for prevent

moving the sub gear.

014RW041

3. Install camshaft assembly and camshaft brackets,

tighten twenty bolts on one side bank to the specified
torque.
1. Apply engine oil to camshaft journal and bearing

surface of camshaft bracket.

2. Align timing mark on intake camshaft (one dot for

right bank, two dots for left bank) and exhaust
camshaft (one dot for right bank, two dots for left
bank) to timing mark on camshaft drive gear (one
dot).

014RW020

Legend

(1) Intake Camshaft Timing Gear for Right Bank
(2) Intake Camshaft Timing Gear for Left Bank
(3) Exhaust Camshaft Timing Gear
(4) Discerning Mark

LI: Left Bank Intake

RI: Right Bank Intake

LE: Left Bank Exhaust

RE: Right Bank Exhaust

6A–67

ENGINE MECHANICAL

014RW023

Legend

(1) Right Bank Camshaft Drive Gear
(2) Left Bank Camshaft Drive Gear
(3) Timing Mark on Drive Gear
(4) Dowel Pin

014RW024

Legend

(1) Right Bank
(2) Left Bank

(3) Alignment Mark on Camshaft Drive Gear
(4) Alignment Mark on Camshaft
(5) Alignment Mark on Retainer

3. Tighten twenty bolts in numerical order on one

side bank as shown in the illustration.

Torque: 10 N·m (1.0 Kg·m/89 lb in)

6A–68

ENGINE MECHANICAL

014RW031

4. If the oil seal requires replacement, use the

5–8840–2445–0 to install the oil seal.

014RW034

5. Tighten bolt for camshaft drive gear pulley to the

specified torque using the 5–8840–2447–0 universal
holder.

Torque: 98 N·m (10.0 Kg·m/72 lb ft)

014RW060

6A–69

ENGINE MECHANICAL

Crankshaft

Crankshaft and Associated Parts

013RW009

Legend

(1) Cylinder Head Assembly
(2) Crankcase with Oil Pan
(3) Oil Pipe and O-Ring
(4) Oil Strainer and O-Ring
(5) Oil Pump Assembly
(6) Cylinder Block Side  Bolts
(7) Oil Gallery

(8) Piston and Connecting Rod Assembly
(9) Flywheel

(10) Rear Oil Seal Retainer and Oil Seal

(11) Main Bearing Cap

(12) Crankshaft
(13) Main Bearing Cap Fixing Bolts
(14) Oil Gallery Fixing Bolts

Disassembly

1. Remove cylinder head assembly (1). Refer to

“Cylinder Head” in this manual.

2. Remove crankcase with oil pan (2). Refer to “Oil Pan

and Crankcase” in this manual.

CAUTION: Take care not to damage or deform the
sealing flange surface of crankcase.

3. Remove oil pipe and O-ring (3).
4. Remove oil strainer and O-ring (4).
5. Remove oil pump assembly (5).
6. Remove crankcase side bolts (6).