2007 ISUZU KB P190 oil

Engine Mechanical – V6 Page 6A1–172
Page 6A1–172
2 Using Tool No. EN46111 (1), rotate the crankshaft in
a clockwise direction until the crankshaft sprocket
timing mark (2) is aligned with the indexing mark (3)
on the oil pump housing.

Figure 6A1 – 263
CAUTION
In order to install Tool No. EN 46105 onto the
camshafts, rotate the camshafts. There
should be no need to rotate the camshaft
more than 45 degrees.

Figure 6A1 – 264
3 Install Tool No. EN 46105–1 (1) onto the rear of the right-hand cylinder head camshafts (2).

Figure 6A1 – 265

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–180
Page 6A1–180
3.17 Oil Pump Assembly
Remove
NOTE
Do not remove the left-hand bank idler sprocket.
1 Remove the primary timing chai n and crankshaft sprocket, refer to 3.16 Timing Chains, Tensioners, Shoes and
Guides .
2 Remove the three bolts (1) attaching the oil pump (2).
3 Remove the oil pump assembly.

Figure 6A1 – 286

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–181
Page 6A1–181
Disassemble
CAUTION
There are no serviceable components within
the oil pump. Disassemble the pump only to
diagnose an oil related concern. A
disassembled oil pump must not be reused: it
must be replaced.
1 Remove the two bolts (1) attaching the primary timing chain lower guide (2) and remove the guide.

CAUTION
The primary timing chain lower guide is not
serviced separately and is part of the oil
pump assembly. If it is removed from the
pump assembly, the guide and the pump
must be replaced.

Figure 6A1 – 287
2 Remove the seven bolts (2) attaching the oil pump cover to the oil pump housing (1) and remove the
cover from the housing.


Figure 6A1 – 288

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–182
Page 6A1–182
3 Remove the inner gerotor ring (1).
4 Remove the outer gerotor ring (2).


Figure 6A1 – 289
5 Remove the clip (1), retaining the oil relief valve cap (2).
6 Remove the cap, spring (3) and plunger (4) from the oil pump housing.


Figure 6A1 – 290
Clean
1 Clean the oil pump components with non-corrosive solvent.

Safety glasses must be worn when using
compressed air.
2 Dry the oil pump components with compressed air.

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–183
Page 6A1–183
Inspect
1 Inspect the oil pump housing for damage.

Figure 6A1 – 291
2 Inspect the oil pump cover for damage.


Figure 6A1 – 292
3 Inspect the inner drive gear for damage. If inner surface damage is found, ens ure the crankshaft is
also inspected.


Figure 6A1 – 293

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–184
Page 6A1–184
4 Inspect the outer driven gear for damage.


Figure 6A1 – 294
5 Inspect the oil pump relief valve components for debris or damage.


Figure 6A1 – 295
6 Inspect the primary camshaft chain lower guide for damage. If replacement of t he primary camshaft chain
lower guide is required, r eplace the entire oil pump
assembly as the primary camshaft chain lower guide
is not serviceable separately.
7 If debris or damage is pres ent within the oil pump,
further inspection of all of the engine components is
required.


Figure 6A1 – 296

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–185
Page 6A1–185
Reassemble
CAUTION
As there are no serviceable components
within the oil pump, a disassembled oil pump
must be replaced.
Reinstall
1 Align the oil pump gerotor with the crankshaft flats
and fit the oil pump assembly to the engine block.
2 Align the pump body (2) with the mounting holes in the cylinder block.
3 Install the oil pump bolt (1), three places, and tighten to the correct torque specification.
4 Install the primary timing chain, refer to 3.16 Timing
Chains, Tensioners, Shoes and Guides .


Oil pump attaching bolt torque
specificat ion ............................................ 20.0 – 26.0 Nm


Figure 6A1 – 297

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–208
Page 6A1–208
2 Apply a liberal amount of engine oil to the
camshaft (1) journals and the right-hand cylinder
head camshaft carriers (2).


Figure 6A1 – 345
3 Position the camshafts (1) on the cylinder head and assemble the camshaft spro ckets to the camshafts.



NOTE
Install the camshaft sprocket bolts but do not
tighten at this stage.


Figure 6A1 – 346
4 Ensure the camshaft lobes are in the neutral position with the flats on the back of the camshafts up and
parallel (1) with the right-hand cylinder head camshaft
cover rail.
5 Ensure the marks on the right-hand exhaust camshaft position actuator and timing chain, made prior to the
disassemble operation are aligned.
6 Ensure the marks on the right-hand intake camshaft position actuator and timing chain, made prior to the
disassemble operation are aligned.


Figure 6A1 – 347

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ISUZU KB P190 2007