Page 2720 of 6020
Engine Mechanical – V6 Page 6A1–241
2 Install a new front oil gallery expansion plug (1).
Figure 6A1 – 451
3 Install the cylinder block-to-transmission alignment dowels (1).
Figure 6A1 – 452
4 Place RTV sealant on new coolant expansion plugs (1) and install the new coolant expansion plugs.
Figure 6A1 – 453
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Page 2721 of 6020
Engine Mechanical – V6 Page 6A1–242
5 Install the left-hand side M20 oil gallery threaded plug
(1) and tighten to the correct torque specification.
Left-hand side M20 cylinder block
oil gallery threaded plug
torque specification .................................27.0 – 35.0 Nm
Figure 6A1 – 454
6 Install the left-hand side M14 coolant drain threaded plug (1) and tighten to the correct torque specification.
Left-hand side M14 cylinder block
coolant drain threaded plug
torque specification .................................27.0 – 35.0 Nm
Figure 6A1 – 455
7 Install the M14 rear oil gallery threaded plug (1) and tighten to the correct torque specification.
M14 cylinder block rear oil gallery
threaded plug torque specification ..........27.0 – 35.0 Nm
Figure 6A1 – 456
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Page 2722 of 6020
Engine Mechanical – V6 Page 6A1–243
8 Install the right-hand side M14 coolant drain threaded
plug (1) and tighten to the correct torque specification.
Right-hand side M14 cylinder block
coolant drain threaded plug
torque specification .................................27.0 – 35.0 Nm
Figure 6A1 – 457
9 Install the right-hand side M14 oil gallery threaded plug (1) and tighten to the correct torque specification.
Right-hand side M14 cylinder block
oil gallery threaded plug
torque specification .................................27.0 – 35.0 Nm
Figure 6A1 – 458
10 Install the cylinder block-to-oil pan alignment dowels (1).
Figure 6A1 – 459
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Page 2723 of 6020

Engine Mechanical – V6 Page 6A1–244
11 Install the new right-hand front oil pan rail oil gallery
expansion plug (1).
Figure 6A1 – 460
12 Install the oil jet (2), three places.
13 Install the oil jet attaching bolt (1), three places and tighten to the correct torque specification.
Oil jet attaching bolt
torque specification ...................................8.0 – 12.0 Nm
Figure 6A1 – 461
4.8 Thread Repairs
General Information
The thread repair process involves a solid, thin walled, self-locking, carbon steel, bushing type insert. During the insert
installation process, the installation driver tool cold-rolls the bottom internal threads and expands the bottom external
threads of the insert into the base material. This action mechanically locks the insert into place.
This Section describes the recommended method of repairing threads in three specific areas of the engine.
• general thread repair,
• cylinder block main bearing cap bolt hole thread repair, and
• cylinder head bolt hole thread repair.
For detailed descriptions of all thread specifications used refer to 4.9 Thread Repair Specifications.
The drill-bit and counter-bore tool from the thread repair kit, Tool No. J-42385-700 and J-42385-2000 are designed for
use with either a suitable tap wrench or drill motor. Limited access and larger hole repair may process better using a tap
wrench. An extension from Tool J 43965 may also be required to drive the thread repair tooling dependent on access to
the hole being repaired. Use only a tap wrench when tapping the hole and during installation of the insert.
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Page 2728 of 6020
Engine Mechanical – V6 Page 6A1–249
NOTE
Do not allow oil or other foreign material to
contact the outside diameter (OD) of the insert.
10 Lubricate the threads of the driver installation tool (2) with the driver oil (1).
Figure 6A1 – 474
11 Install the insert (2) onto the driver installation tool (1).
Figure 6A1 – 475
12 Apply thread lock sealant (1) such as Loctite 277® or equivalent to the insert OD threads (2).
Figure 6A1 – 476
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ISUZU KB P190 2007
Page 2730 of 6020

Engine Mechanical – V6 Page 6A1–251
17 Inspect the insert for correct installation into the
tapped hole. A correctly installed insert (1) will be
either flush or slightly below flush with the surface of
the base material (2).
Figure 6A1 – 480
18 Any installed insert that restricts or blocks an oil or engine coolant passage (3) will need to have the oil or
engine coolant passage drilled out (4) to the original
size of the oil or engine coolant passage. After drilling
the restriction or blockage, clean out any swarf and
thread the installation driver tool through the insert
again to remove any burrs caused by the drilling of
the oil or engine coolant passage.
Figure 6A1 – 481
Main Bearing Cap Bolt Hole Thread Repair
The crankshaft main bearing bolt hole thread repair tools
are in Tool No. J 42385-2000 and J 42385-700 which
consist of the following:
• Drill (1) for outboard holes J 42385-702
• Tap (2) for outboard holes J 42385-703
• Installation driver (3) for outboard holes J 42385-704
• Bushing (4) for outboard holes J 42385-726
• Alignment pin (5) for outboard holes J 42385-727
• Bolts (6) for outboard holes J 42385-728
• Drill (7) for inboard holes J 42385-720
• Tap (8) for inboard holes J 42385-721
• Installation driver (9) for inboard holes J 42385-722
• Bushing (10) J 42385-713
• Alignment pin (11) J 42385-308
• Bolts (12) J 42385-734
• Fixture plate (13) J 42385-712
Figure 6A1 – 482
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ISUZU KB P190 2007
Page 2734 of 6020
Engine Mechanical – V6 Page 6A1–255
NOTE
All swarf must be removed from the tapped hole
prior to insert installation.
Safety glasses must be worn when using
compressed air.
12 Using compressed air, clean out any swarf.
Figure 6A1 – 491
NOTE
• Do not remove the fixture plate, ensure the
fixture plate is installed during the
installation process of the insert.
• Do not allow oil or other foreign material to
contact the outside diameter (OD) of the
insert.
13 Lubricate the threads of the driver installation tool (2) with the driver oil (1).
Figure 6A1 – 492
14 Install the insert (2) onto the driver installation tool (1).
Figure 6A1 – 493
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ISUZU KB P190 2007
Page 2740 of 6020
Engine Mechanical – V6 Page 6A1–261
NOTE
All swarf must be removed from the tapped hole
prior to insert installation.
Safety glasses must be worn when using
compressed air.
13 Using compressed air, clean out any swarf.
Figure 6A1 – 508
NOTE
Do not allow oil or other foreign material to
contact the outside diameter (OD) of the insert.
14 Lubricate the threads of the driver installation tool (2) with the driver oil (1).
Figure 6A1 – 509
15 Install the insert (2) onto the driver installation tool (1).
Figure 6A1 – 510
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ISUZU KB P190 2007