Isuzu KB P190. Manual - part 805

Fuel System – V6 

Page 6C – 18 

 

4.4 

Fuel Tank Assembly 

 

Figure 6C –  17 

Legend 

1 

Front Fuel Tank Strap Bolt 

2 

Front Fuel Tank Strap 

3 

Rear Side Shield 

4 Fuel 

Tank 

5 Evaporative 

Line 

6 

Fuel Filler Hose 

7 

Rear Under Shield Plastic Strap 

8 

Rear Fuel Tank Strap Bolt 

9 

Rear Fuel Tank Strap 

10 Under 

Shield 

11 

Front Under Shield Plastic Strap 

12 

Evaporative Line and Quick 
Connector 

13 

Fuel Lines and Quick Connector 

14 

Main Fuel Supply Line 

15 Fuel 

Filter 

16 Side 

Shield 

17 Retainer 

 

Fuel System – V6 

Page 6C – 19 

 

Remove 

 

•  A depressurised fuel system contains fuel 

in the fuel filter and fuel lines that can be 
spilled during service operations. 

•  Fuel vapour remains in the fuel tank even 

when completely empty. Seal all openings 
in the fuel tank using suitable material or a 
plastic plug. Ensure no naked flames or 
other ignition sources are nearby. Ensure 
all cellular phones (and transmission 
devices that may cause any metal objects 
to become unintentional receiving 
antennas) are switched off. 

•  Place a dry chemical (Class 

B) fire 

extinguisher nearby before performing any 
on-vehicle service procedures. Failure to 
follow these precautions may result in 
personal injury. 

1 

Remove the fuel pump relay, refer to 8A Electrical Body and Chassis. 

2 

Depressurise the fuel system, refer to 3.4 

Fuel System Depressurisation. 

 

Never drain or store fuel into an open 
container, due to the possibility of fire or 
explosion. 

3 

Siphon the fuel tank, using commercially-available equipment. 

 

Before proceeding, clean all traces of dirt and 
other foreign material from the top of the fuel 
tank, near the modular fuel pump and sender 
assembly. 

7 

Place a drain tray under the fuel filter area. 

 

Fuel can spill from the disconnected filter. 

Fuel System – V6 

Page 6C – 20 

 

8 

From behind the fuel filler door (1), unscrew the fuel 
filler cap (4) and cover the end of the fuel filler neck 
with a suitable material to prevent foreign objects from 
entering the fuel tank. 

9 

Remove the screw (2) securing the fuel filler neck (3) 
to the fuel filler pocket. 

10 

Remove the front half of the right-hand rear 
wheelhouse liner, refer to 10 Cab. 

 

Fuel filler neck attaching screw 
torque specification ..............................................5.0 Nm 

Figure 6C –  18 

11 

Unclip the fuel filler door release cable (1) from the 
retainer on the fuel filler neck (2). 

Figure 6C –  19 

12 

Lower the fuel filler neck and breather hose assembly.

13 

Loosen the clamp (2) and disconnect the fuel tank 
breather hose (3) from the fuel filler neck (1). 

Figure 6C –  20 

Fuel System – V6 

Page 6C – 21 

 

14 

Remove the clamp (1) from the fuel filler neck and 
disconnect from the rubber fuel tank inlet hose (2), 
place the removed filler neck (3) in a safe location. 

15 

Raise the vehicle, preferably on a hoist, refer to 
0A General Information. 

Figure 6C –  21 

 

Wear safety glasses when using compressed 
air. Do not blow compressed air onto any 
body part. 

16 

Use compressed air to ensure that all dirt and foreign 
materials are removed from all fuel connections before 
the parts are disconnected. 

17 

Disconnect the quick-connect fitting from the fuel 
supply line at the front of the fuel tank (1) and the 
evaporative line quick-connect fitting at the rear of the 
fuel tank (2), refer to 4.1 

Fuel Lines And Quick 

Connect Fittings. 

Figure 6C –  22 

 

18 

Remove the bolt securing the front fuel tank strap (1) to the crossmember and remove the strap (2), refer to Figure 
6C –  17. 

 

Support the fuel tank with stands or have an 
assistant on hand to help in the fuel tank 
removal. 

19 

Remove the bolt from the rear fuel tank strap (8) then remove the strap (9) refer to Figure 6C –  17. 

20 

Lower the rear of the fuel tank enough to allow access to the fuel pump electrical connector, release the connector 
clip and remove the connector from the socket. 

21 

Lower the fuel tank from the vehicle, ensuring the fuel tank inlet and breather hoses do not foul on any obstruction 
during the process. 

22 

Remove the fuel tank from the vehicle.