ISUZU KB P190 2007 Workshop Repair Manual

Engine Mechanical – V6 Page 6A1–174
Page 6A1–174
7 Wrap the secondary timing chain around both right-
hand camshaft drive sprockets.

Figure 6A1 – 269
CAUTION
Ensure that when aligning the right-hand
secondary timing chain to the right-hand
camshaft sprockets, th at the triangular
timing marks (1) on the sprocket are used,
NOT the circular mark.
8 Align the bright plated timing chain link (2) with the exhaust sprocket alignment triangle mark or circular
mark.

Figure 6A1 – 270
9 Align the bright plated timing chain link (1) with the intake sprocket alignment triangle mark (2).

Figure 6A1 – 271

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–175
Page 6A1–175
CAUTION
Ensure that the right-hand secondary timing
chain guide is used when installing to the
right-hand side in this procedure.
10 Ensure that the right -hand secondary timing chain
guide is selected and orientated correctly.

Figure 6A1 – 272
11 Position the chain guide (2).
12 Install the secondary timing chain guide bolts (1) and tighten to the correct torque specification.




Secondary timing chain guide
attaching bolt torque spec ification ........... 20.0 – 26.0 Nm

Figure 6A1 – 273
13 Ensure the right-hand secondary timing chain shoe is selected and orientated correctly.

CAUTION
The right-hand secondary camshaft drive
shoe is marked with th e letters ‘RH’. Ensure
that the right-hand drive shoe is used when
installing to the right-hand side in this
procedure and that the letters ‘RH” are
facing the front of the vehicle when installed.

Figure 6A1 – 274

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Engine Mechanical – V6 Page 6A1–176
Page 6A1–176
14 Position the right-hand secondary timing chain shoe
(1).


Figure 6A1 – 275
15 Install the secondary timing chain shoe bolt (1) and tighten to the correct torque specification.




Secondary timing chain shoe
attaching bolt torque spec ification ........... 20.0 – 26.0 Nm


Figure 6A1 – 276
16 Ensure the right-hand secondary timing chain tensioner is selected and orientated correctly.


Figure 6A1 – 277

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–177
Page 6A1–177
17 Reset the right-hand secondary timing chain
tensioner.


NOTE
To reset the tensioner, use a suitably sized flat
blade screwdriver (1) or Tool No. J 45027 to
wind the plunger in a clockwise direction, into
the tensioner shaft (2).


Figure 6A1 – 278
18 Install the tensioner s haft (1) into the right-hand
secondary timing chain tensioner body (2).


Figure 6A1 – 279
19 Compress the tensioner shaft into the body and lock the tensioner by inserting Tool No. EN 46112 into the
access hole in the side of the tensioner body.
20 Slowly release pressure on the right-hand secondary timing chain tensioner. The tensioner should remain
compressed.

Figure 6A1 – 280

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Engine Mechanical – V6 Page 6A1–178
Page 6A1–178
21 Install a new right-hand secondary timing chain
tensioner gasket (1) to the tensioner (2).
22 Install the right-hand secondary timing chain tensioner bolts (3) through the tensioner and gasket.
23 Ensure the right-hand secondary timing chain tensioner mounting surfac e on the right-hand cylinder
head does not have any burrs or defects that would
affect the sealing of the new tensioner gasket.


Figure 6A1 – 281
24 Place the right-hand secondar y timing chain tensioner
(2) into position and loosely install the bolts (1) to the
engine block.


Figure 6A1 – 282
25 Verify the proper plac ement of the right-hand
secondary timing chain tensioner gasket tab (1).
26 Tighten the right-hand secondary timing chain tensioner bolts (2) to the co rrect torque specification.




Secondary timing chain tensioner
attaching bolt torque spec ification ........... 20.0 – 26.0 Nm


Figure 6A1 – 283

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Engine Mechanical – V6 Page 6A1–179
Page 6A1–179
27 Release the right-hand timing chain tensioner (1) by
pulling out Tool No. EN 46112 (2) and unlocking the
tensioner plunger.


Figure 6A1 – 284
28 Verify all primary and secondary timing chain timing mark alignments (1 to 18).
29 Remove Tool No. EN 46105–1 and EN 46105-2 from the left and right-hand cylinder head camshafts.
30 Reinstall the spark plugs. Refer to Section 6C1-3
Engine Management – V6 – Service Operations.
31 Reinstall the engine front cover assembly, refer to 3.15 Front Cover Assembly .

Figure 6A1 – 285

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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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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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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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