1998 ISUZU TROOPER Service Repair Manual

Page 1641 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4JG2-NA/4JG2-TURBO ENGINE 6A2 Ð 39
CRANKSHAFT AND MAIN BEARING

Page 1642 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6A2 Ð 40 4JG2-NA/4JG2-TURBO ENGINE
REMOVAL
1. Engine Assembly
·Refer to ÒEngine AssemblyÓ removal in this
section.
2. Crankshaft Damper Pulley
3. Timing Gear Case Cover
4. Oil Level Gauge and Guid

Page 1643 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4JG2-NA/4JG2-TURBO ENGINE 6A2 Ð 41
19 (1.9/14)N·m(Kg·m/lb·ft)
·After tightening the bolts, make sure that the
crankshaft rotates smoothly.
167 (17.0/123)N·m(Kg·m/lb·ft)
13. Connecting Rod Caps

Page 1644 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6A2 Ð 42 4JG2-NA/4JG2-TURBO ENGINE
8. Camshaft Timing Gear
1) Install the camshaft timing gear to the camshaft.
The timing gear mark ("Y - Y") must be facing out-
ward.
2) Tighten the timing gear to

Page 1645 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4JG2-NA/4JG2-TURBO ENGINE 6A2 Ð 43
7. Injection Pump
1) Install the O-ring 1 to the injection pump flange 2.
2) Install the injection pump to the timing gear case.
Align the idler gear "B" 3 "V - V"

Page 1646 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6A2 Ð 44 4JG2-NA/4JG2-TURBO ENGINE
3. Timing Gear Case Cover
1) Align the gear case with the timing gear case knock
pin and then install the timing gear case cover.
2) Tighten the gear case cover bol

Page 1647 of 3573

ISUZU TROOPER 1998  Service Repair Manual 4JG2-NA/4JG2-TURBO ENGINE 6A2 Ð 45
FRONT OIL SEAL
REMOVAL
1. Crankshaft Damper Pulley
2. Timing Gear Case Cover Assembly
3. Front Oil Seal
·Remove crankshaft front oil seal using suitable size
box w

Page 1648 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6A2 Ð 46 4JG2-NA/4JG2-TURBO ENGINE
REAR OIL SEAL
REMOVAL
1. Transmission Assembly
·Refer to ÒTransmissionÓ removal in section 7.
2. Flywheel
3. Rear Oil Seal
·With the oil seal pushed in deep, in