Isuzu KB P190. Manual — part 666

Engine Mechanical – V6

Page 6A1–185

Remove

1

Remove the skid plate.

2

Drain the radiator coolant, refer to 6B1 Engine Cooling – V6.

3

Disconnect the battery negative and positive terminal, refer to 8A Electrical Body & Chassis.

4

Remove the battery from the vehicle.

5

Depressurise the fuel system pressure, refer to 6C Fuel System – V6.

6

Make alignment marks on the bonnet and hinges in order to return the bonnet to the exact original position.

7

Remove the bonnet, refer to 2B Sheet Metal.

8

Remove the rubber hose (2) and air duct (1).

Figure 6A1 – 317

9

Disconnect the barometric sensor connector (1).

Figure 6A1 – 318

Engine Mechanical – V6

Page 6A1–186

10

Disconnect the vacuum booster hose (1).

Figure 6A1 – 319

11

Disconnect the EVAP purge solenoid connector (1).

Figure 6A1 – 320

Engine Mechanical – V6

Page 6A1–187

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 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 – 321

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 latch 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 length of 5mm steel rod or an
allen key.

Figure 6A1 – 322

21

Disconnect the PCV fresh air tube (1) from the upper
intake manifold mounting clip (2) and remove the
fixing bolt (3).

Figure 6A1 – 323

Engine Mechanical – V6

Page 6A1–188

22

Disconnect the EVAP valve outlet tube, (1) from the
upper intake manifold (2).

23

Remove the four long bolts, (3) attaching the upper
intake manifold, (2) to the cylinder heads and lower
intake manifold.

Figure 6A1 – 324

23

Remove the six bolts, (1) attaching the lower intake
manifold (2), then remove the manifold from the
engine.

24

Remove the following from the engine and engine
compartment :

•

Lower intake manifold to cylinder head gasket

•

The Heater hose

•

The Air Cleaner assembly

Figure 6A1 – 325

25

Remove the transmission support (1).

26

Remove the front and rear propeller shafts, (4WD
Only), refer to 4C1 Front Wheel Drive and 4C2 Drive
Line (For 4WD Vehicles).

27

Remove the front torsion bar springs, refer to 3C
Suspension.

Figure 6A1 – 326