2007 ISUZU KB P190 Wiring

Engine Mechanical – V6 Page 6A1–95
Page 6A1–95
6 Remove the bolt (1) attaching the ground connector
(2) to the cylinder head.
7 Fro the left-hand side, disconnect the engine coolant temperature (ECT) sensor wiring connector (3).
8 Unclip the engine wiring harness retaining lugs from the side of the camshaft cover.
Figure 6A1 – 63
9 For the right-hand side, remove the engine wiring harness retaining clip (1) from the engine control
module (ECM) bracket (2).
Figure 6A1 – 64
10 Disconnect the camshaft position (CMP) sensor wiring connector (1).
11 Unclip the engine wiring harness retaining lug (3) from the front of the camshaft cover.
12 Remove the ignition coil assemblies; refer to Section 6C1-3 Engine Management – V6 – Service
Operations .
13 Move the engine wiring harness clear of the camshaft cover.



Figure 6A1 – 65

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Engine Mechanical – V6 Page 6A1–99
Page 6A1–99
8 Remove Tool No. EN-46101 (1).
9 Tighten all remaining fasteners to the correct torque specification.




Engine ground connector bolt
torque specificat ion ............................................ 10.0 Nm
Engine wiring harness former attaching
bolt torque specification .......................... 12.0 – 16.0 Nm

Figure 6A1 – 74

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–242
Page 6A1–242

Plug the fuel feed hose after removal to
prevent dirt entering the pipe.
12 Disconnect the fuel pipe connector and injector harness connector.
13 Disconnect the fuel feed hose from the fuel rail (1),
refer to Section 6C Fuel system .
14 Pull out release bar (2) of the fuel injector harness
wiring connector (3).
15 Disconnect the fuel injector harness wiring connector from the fuel injector wiring harness (4).


Figure 6A1 – 411
16 To disconnect the throttle body connector (1) the following procedure must be followed.
17 Retract the throttle body wiring connector lock (3) while pressing the connector la tch in the direction of
the arrow (4).
18 Disconnect the throttle body wiring connector (1).
19 Release the throttle body connector wiring harness from its retaining clip (5).

Take care not to break the barbed retainer
pin (6), when removing the harness. Should
the pin be damaged it is vital that a new
harness retainer be fitted.
20 Remove the main wiring harness retainer pin (6) from the intake manifold by pushing from the front to the
rear using a suitable lengt h of 5mm steel rod or an
allen key.


Figure 6A1 – 412
21 Disconnect the PCV fresh air tube (1) from the upper intake manifold mounting clip (2) and remove the
fixing bolt (3).


Figure 6A1 – 413

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–244
Page 6A1–244
28 Remove the centre exhaust pipe (1), refer to
Section 6F Exhaust System - V6 .


Figure 6A1 – 417
29 Disconnect the two post-catalytic converter oxygen sensor wiring harness connectors, 1 each bank.



Figure 6A1 – 418
30 Disconnect the two pre-catalytic converter oxygen sensor wiring harness connectors, 1 each bank.
31 Remove the front exhaust flange nuts, three each bank.
32 Remove the front left-hand exhaust pipe from the rubber mount.

33 Remove the front exhaust pipes from the vehicle, for further information, refer to Section 6F Exhaust
System - V6 .

Figure 6A1 – 419
34 Remove the transfer case from t he vehicle (4WD Only), refer to Section 7D Transfer Case and Adaptor Housing .

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Engine Mechanical – V6 Page 6A1–247
Page 6A1–247
44 Remove the left-hand side engine mount (1),
(automatic transmission only).


Figure 6A1 – 426
45 Unclip the oil level s ensor harness from the heat
shield (1).
a Remove the heat shield retaining screw (2).
b Remove the lower starter motor attaching bolt (3).
c Remove the heat shield.
d Remove the upper starter motor retaining bolt (3).
46 Remove the starter motor from the engine block and lower the starter motor as far as possible to gain
access to the wiring harness connections.
47 Remove the starter moto r, (automatic transmission
only).

Figure 6A1 – 427
48 Reinstall the left-hand side engine mount (1), (automatic transmission only).
49 Remove the transmission assembly, refer to Section 7C1 Automatic – 4L60E – General
Information .



Figure 6A1 – 428

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Engine Mechanical – V6 Page 6A1–250
Page 6A1–250
57 Unclip and remove the generator wiring harness
connector (1), Remove ba ttery connection attaching
nut (4), and remove the battery harness cable (2)
from the connection stud.


Figure 6A1 – 435
58 Remove the generator attaching bolts (1, 2, and 4) three places, then remove the generator (3) from the
mounting bracket.

Figure 6A1 – 436
59 Remove the idler pulley attaching bolt and remove the idler pulley (1).
60 Remove the generator bracket attaching bolts, five places, and remove the generator mounting bracket
(2).

Figure 6A1 – 437

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Engine Mechanical – V6 Page 6A1–252
Page 6A1–252
65 Remove the engine mount attaching nuts (1), (two
places) on the chassis si de of the left-hand and right-
hand engine mounts.


Figure 6A1 – 441
66 Slowly raise the engine using the engine hoist continue to lift and manoeuvre the engine assembly
clear of the engine compartment.

Figure 6A1 – 442
Disassemble
1 Remove the wiring harness connectors and ground connec tions from the engine and transmission assembly and
carefully set the wiring harness to one side, refer to Section 8A Electrical Body & Chassis.
2 Remove the engine control module (ECM) and mounting bracket, refer to Section 6C1-3 Engine Management – V6
– Service Operations .
3 Mount the engine assembly on a suitable engine stand.
5 Drain the engine oil into a suitable, clean container.
6 Remove the following components: a Oil filter adaptor, refer to 3.3 Oil Filter Adaptor.
b Engine coolant inlet pipe, refer to Section 6B1 Engine Cooling – V6.
c Heater pipe assembly, refer to Section 6B1 Engine Cooling – V6.
d Thermostat assembly, refer to Section 6B1 Engine Cooling – V6.
e Exhaust manifold a ssemblies, refer to 3.11 Exhaust Manifold Assembly .
f Engine coolant outlet pipe, refer to Section 6B1 Engine Cooling – V6.
g Crankshaft position sensor, refer to Section 6C1-3 Engine Management – V6 – Service Operations.
h Knock sensors, refer to Section 6C1-3 Engine Management – V6 – Service Operations.
i Engine mounts and brackets, refer to 3.23 Engine Mounts and Brackets.
j Flexplate assemblies, refer to 4.3 Flexplate Assembly.

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Engine Mechanical – V6 Page 6A1–351
Page 6A1–351
6 Torque Wrench Specifications
ATTENTION
„ Fasteners must be replaced after loosening.
Fasteners either have micro encapsulated sealant a pplied or incorporate a mechanical thread lock and
should only be re-used once. If in doubt, replacement is recommended.

Oil Pan Drain Plug ................................................................................ 25.0 Nm
Oil Filter Adaptor Attach ing Bolt................................................ 20.0 – 26.0 Nm
Oil Level Indicator Tube Atta ching Bolt........................................ 8.0 – 12.0 Nm
Accessory Drive Belt Idler Pu lley Attaching Bolt................................... 50.0 Nm
Accessory Drive Belt Tensio ner Attaching Bolt .................................... 50.0 Nm
Power Steering Reserv oir Bracket Attaching Screw.............................. 9.0 Nm
Power Steering Pump Bracket A ttaching Bolt ........................... 49. 0 – 67.0 Nm
Upper Intake Manifold to Lower Intake Manifold Attaching Bolt ........... 23.0 Nm
Upper Intake Manifold to Cylinder Head Attaching Bolt........................ 23.0 Nm
Lower Intake Manifold to Cylind er Head Attaching Bolt........................ 23.0 Nm
Fuel Injector Wiring Harness Br acket Attaching bolt .............................. 9. 0 Nm
Exhaust Manifold to Cylinder He ad Attaching Bolt..................... 17.0 - 23.0 Nm
Exhaust Manifold Heat Shield Attaching Bolt ............................... 8.0 - 12.0 Nm
Battery Harness Ground Terminal Attaching Nut ................................. 13. 0 Nm
Camshaft Cover Attachi ng Bolt................................................... 8.0 – 12.0 Nm
Engine Ground Connec tor Bolt............................................................. 10.0 Nm
Engine Wiring Harness Former A ttaching Bolt .......................... 12.0 – 16.0 Nm
„ Crankshaft Balancer A ssembly Attaching Bolt:
Stage 1 ..................................................................................... 90.0 –110.0 Nm
Stage 2 ....................................................................................................... 150 °
Engine Front Cover Assembly A ttaching Bolt ............................ 20. 0 – 26.0 Nm
Camshaft Intermediate Sprocket Attaching Bolt ........................ 58. 0 – 72.0 Nm
Secondary Timing Chai n Guide Attaching Bolt.......................... 20.0 – 26.0 Nm
Secondary Timing Chai n Shoe Attaching Bolt ........................... 20.0 – 26.0 Nm
Secondary Timing Chain Tensioner Attachi ng Bolt ................... 20.0 – 26.0 Nm
Primary Timing Chain Upper Gui de Attaching Bolt.................... 20.0 – 26.0 Nm
Primary Timing Chain Tensioner Attaching Bolt........................ 20. 0 – 26.0 Nm
Oil Pump Assembly Attach ing Bolt............................................ 20.0 – 26.0 Nm
Camshaft Sprocket Attachi ng Bolt............................................. 49.0 – 67.0 Nm
Exhaust Camshaft Sprocket Atta ching Bolt............................... 49.0 – 67.0 Nm
Camshaft Bearing Cap Attach ing Bolt......................................... 8.0 – 12.0 Nm
Cylinder Head Thr eaded Plug.............................................................. 31.0 Nm
„ Cylinder Head M11 Attaching Bolt:
Stage 1 ...................................................................................... 40.0 – 50.0 Nm
Stage 2 ....................................................................................................... 120 °
„ Cylinder Head M8 Attaching Bolt:
Stage 1 ...................................................................................... 12.0 – 18.0 Nm
Stage 2 ......................................................................................................... 60 °
Engine Mount Bracket to Cylinder Bl ock Attaching Bolt............ 43.0 – 57.0 Nm
Engine Mount to Bracket Atta ching Nut..................................... 70.0 – 90.0 Nm
Engine Mount to Frame Atta ching Nut...................................... 44.0 – 60.0 Nm
Engine Lift Bracket Attachi ng Bolt.......................................... 58.0 – 72.0.0 Nm
Knock Sensor Attach ing Nut................................................................. 23.0 Nm

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ISUZU KB P190 2007