engine ISUZU KB P190 2007 Workshop Repair Manual

Engine Mechanical – V6 Page 6A1–56

3.2 Oil Filter Cartridge
Replace
NOTE
• The oil filter cartridge should be replaced at
the correct time or distance intervals, refer to
0B Lubrication and Service.
• The oil filter cartridge should also be replaced
whenever the engine oil is suspected to have
been contaminated by foreign material.
1 Remove and discard the oil filter cartridge (1).
2 Install the new oil filter cartridge.

Figure 6A1 – 26

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Engine Mechanical – V6 Page 6A1–57

3.3 Oil Filter Adaptor
Remove

Disconnection of the battery affects certain
vehicle electronic systems, refer to 1.1
WARNING, CAUTION and NOTES before
disconnecting the battery.
1 Disconnect the battery negative terminal.
2 Disconnect the wiring harness connector from the oil pressure sender.

3 Remove the oil filter adaptor attaching bolts (2), four places.
4 Remove the oil filter adaptor and discard the gasket (3).
5 Clean the surfaces of the adaptor and cylinder block.

• Do not use a screwdriver or similar to
prise the oil filter adapter from the engine
as damage to the sealing surface may
occur.
• If required, use a rubber mallet to tap the
oil filter adapter to loosen the
components prior to separating.
Tapping should be done at bends,
corners or reinforced areas to prevent
distortion of parts.
Figure 6A1 – 27
Reinstall
Reinstallation of the oil filter adaptor is the reverse of the removal procedure, noting the following:
1 A new gasket must be used.
2 Loosely install the oil filter adaptor attaching bolts, then tighten all fasteners to the correct torque specification.
Oil filter adaptor attaching bolt
torque specification .................................. 20.0- 26.0 Nm

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–58

3.4 Oil Level Indicator Tube
Remove
1 Remove the oil level indicator from the oil level indicator tube.
2 Remove the bolt (2) attaching the oil level indicator tube (1) and engine wiring harness retaining bracket.
3 W ithdraw the oil level indicator tube from the oil pan.
4 Remove and discard the o-ring at the bottom of the oil level indicator tube.
Figure 6A1 – 28
Reinstall
Reinstallation of the oil level indicator tube is the reverse of the removal procedure, noting the following:
1 Install a new oil level indicator o-ring.
2 Ensure the attaching bolt passes through the engine wiring harness retaining bracket.
3 Tighten bolt to the correct torque specification.
Oil level indicator tube attaching bolt
torque specification ...................................8.0 – 12.0 Nm


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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–59

3.5 Accessory Drive Belt
RWD Vehicle
Remove
1 Remove the air intake duct from between the air flow meter and the throttle body, refer to 6C1-3 Engine
Management – V6 – Service Operations.
2 Note the accessory drive belt (1) routing.
Figure 6A1 – 29
3 Using a suitable ½” drive socket bar (1), rotate the drive belt tensioner (2) clockwise, to reduce belt
tension.
4 W hile holding the tensioner in the reduced tension position, remove the accessory drive belt (3).

NOTE
If required use an assistant to maintain the tensioner in the required position.
CAUTION
If running the engine with the accessory
drive belt removed, the coolant pump will
not be operating and the engine may
overheat if left unsupervised even for a short
period.
Figure 6A1 – 30
Reinstall
1 Install the drive belt over the A/C compressor, idler pulley, power steering pump, coolant pump, generator and tensioner pulleys.
2 Using a suitable ½” drive socket bar (1), rotate the drive belt tensioner (2) clockwise, refer to Figure 6A1 – 30.
3 W ith an assistant holding the tensioner in the required position, feed the accessory drive belt (3) over the crankshaft pulley.
4 Slowly release the drive belt tensioner mechanism.

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–60

NOTE
Ensure the drive belt ribs are correctly aligned
with the grooves in the accessory drive pulleys or
damage to the drive belt and accessory drive
components and pulleys may occur.
5 Reinstall the air intake duct to the air flow meter and the throttle body, refer to 6C1-3 Engine Management – V6 – Service Operations.
6 Run the engine to ensure correct operation.
3.6 Accessory Drive Belt Idler Pulley
Remove
1 Remove the accessory drive belt, refer to 3.5 Accessory Drive Belt.
2 Remove the accessory drive belt idler pulley attaching bolt (1).
3 Remove the dished washer (2) and accessory drive belt idler pulley (3).

Figure 6A1 – 31
Reinstall
Reinstallation of the accessory drive belt idler pulley is the reverse of the removal procedure. Tighten the bolt to the
correct torque specification.
Accessory drive belt idler pulley
attaching bolt torque specification ......................50.0 Nm


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Engine Mechanical – V6 Page 6A1–61

3.7 Accessory Drive Belt Tensioner
Assembly
Remove
1 Remove the accessory drive belt, refer to 3.5 Accessory Drive Belt.
2 Remove the three bolts (2) attaching accessory drive belt tensioner assembly (1).
3 Remove the accessory drive belt tensioner assembly.
NOTE
The accessory drive belt tensioner pulley is not
serviced separately. If the pulley is found to be
faulty, the entire tensioner assembly must be
replaced.

Repairing a damaged accessory drive belt
pulley should not be attempted under any
circumstances.

Figure 6A1 – 32
Reinstall
Reinstallation of the accessory drive belt tensioner assembly is the reverse of the removal procedure. Tighten the bolts to
the correct torque specification.
Accessory drive belt tensioner
attaching bolt torque specification ......................50.0 Nm



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Engine Mechanical – V6 Page 6A1–62

3.8 Power Steering Pump Bracket
Remove
1 Remove the power steering pump and reservoir, refer to 3B_Steering.
2 Remove the three bolts (1), (3) and (4) attaching the power steering pump bracket (5) to the engine block.
3 Remove the power steering pump bracket.

Figure 6A1 – 33
Reinstall
Reinstallation of the power steering pump and pump bracket is the reverse of the removal procedure, noting the
following:
1 Hand start the bolts before tightening.
2 Tighten the bolts to the correct torque specification.
Power steering pump bracket
attaching bolt torque specification ......................22.0 Nm


3.9 Upper Intake Manifold
The intake manifold comprises of an upper and lower section. Some service procedures only require the removal of the
upper intake manifold (e.g. fuel injector/spark plug servicing), while other service procedures require the removal of both
the upper and lower manifold as a complete assembly (e.g. cylinder head/s). If the complete assembly needs to be
removed, refer to 3.10 Intake Manifold Assembly – Complete.


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Engine Mechanical – V6 Page 6A1–63

Remove

Disconnection of the battery affects certain
vehicle electronic systems. Refer to 1.1
WARNING, CAUTION and NOTES before
disconnecting the battery.



1 Disconnect the battery negative terminal.
2 Remove the air intake duct (1) and hose (2), refer to 6C1-3 Engine Management – V6 – Service
Operations.

Figure 6A1 – 34

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Engine Mechanical – V6 Page 6A1–64

3 Retract the throttle body wiring connector lock (3).
4 W hile pressing the connector latch in the direction of the arrow (4), disconnect the throttle body wiring
connector.
5 Disconnect the throttle body connector wiring harness from its retaining clip (5).
6 Remove the main wiring harness retainer pin (6) from the intake manifold by pushing from the front to the
rear using a suitable piece of 5 mm steel rod (or an
Allen key).

The following precautions must be followed
when disconnecting the throttle body wiring
connector:
• Do not use any mechanical device such
as a screwdriver to disengage the
harness connector (1) from the throttle
body (2).
• When retracting the throttle wiring
connector lock (3), take care not to
disengage the lock from the connector.
• Do not pull on the connector wires.
• Take care not to break the barbed
harness retainer pin (6) while removing
the harness retainer from the intake
manifold.
• Should the pin be broken, then it is
vital that a new harness retainer is
fitted to the wiring harness shield. If
not, the harness will foul the engine
drive belt.

Figure 6A1 – 35
7 Disconnect the brake booster hoses from the upper intake manifold:

Figure 6A1 – 36

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Engine Mechanical – V6 Page 6A1–65

8 Disconnect the wiring harness connector from the
barometric (BARO) pressure sensor (1).

Figure 6A1 – 37
9 Disconnect the PCV tube connector (1) from the upper intake manifold assembly.

Figure 6A1 – 38
10 Remove the bolt (3) attaching the EVAP valve and the fuel injector wiring harness connector mounting
bracket to the upper intake manifold assembly.
11 Move the EVAP valve and the fuel injector wiring harness connector mounting bracket clear of the upper
intake manifold assembly.
12 Disconnect the PCV fresh air tube (1) from its upper intake manifold mounting clip (2).

Figure 6A1 – 39

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