Fuel problems in Deisel Jackaroo

Submitted: Wednesday, Jun 18, 2003 at 16:06
ThreadID: 5522 Views:2723 Replies:5 FollowUps:2
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G,day All,
I have recently had some problems with water in the Deisel of my Jackaroo. I have discussed installing an additional fuel filter in the system with various experts and have come up with some conflicting information.
Holden suggest that there is no problem in fitting an additional filter, although I have reservations re the qualifications of the fellow I spoke to.
Diesel Specialists say that installing an additional filter will affect the pump and fuel pressure overall thus altering the performance of the system.
Has anyone got any suggestions re this?
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Reply By: Darian - Wednesday, Jun 18, 2003 at 16:47

Wednesday, Jun 18, 2003 at 16:47
How did this water get in ?Love the bush - stuck in the city - help.
AnswerID: 22898

Follow Up By: howesy - Wednesday, Jun 18, 2003 at 17:42

Wednesday, Jun 18, 2003 at 17:42
There is no doubt that an extra filter will provide extra resistance , but as to whether it will affect the pump or not I would not think overly so but i would talk to a diesel pump specialist, someone who earns his living from nothing but pumps would know them inside out.
As for myself, I ripped out the factory filter and replaced it with the after market item. The filterts are 6 to 9 dollars each as opposed to 40 for the OEM. If you have a filter with the prime pump you can even buy a conversion one to still utilise the primer. Cost in average is around 80 to 120 dollars for a quality unit ready to go with filter and all.
FollowupID: 15124

Reply By: Derek - Wednesday, Jun 18, 2003 at 20:20

Wednesday, Jun 18, 2003 at 20:20
As a diesel fitter, I agree that the fitting of an extra filter can have a detrimental effect on the performance of your pump and subsequently, your engine performance. You won't know until you actually fit one or meet someone who has been through the exercise. I would be looking for the source of the problem rather than the cure, as Isuzu in my opinion make a very high quality product that will be difficult to 'better' by fitting an additional filter.
AnswerID: 22925

Reply By: Eric - Wednesday, Jun 18, 2003 at 21:50

Wednesday, Jun 18, 2003 at 21:50
Keeping the water out is a better plan than using an extra filter, if the water is in the fuel use a fine mesh funel, a common cause of water in fuel is cracks around the spot welds on the top of the tank, when a tank is made some baffels are welded to the top half and some are welded to the bottom half, when driving on rough roads the baffels are flexing the tank at the welds and this makes them leak water into the fuel, test with a blower and soapy water. Eric.
AnswerID: 22936

Reply By: Yarn - Wednesday, Jun 18, 2003 at 23:36

Wednesday, Jun 18, 2003 at 23:36
Thanks people for the reply's.
As to how the water got there, I can only put it down to a bad batch of fuel.
I have tested the tank and it is 100% sealed so that eliminates that one.
I'll follow up with a pump specialist, can anyone recommend somebody in the Parramatta/Baulkham Hills area of Sydney.
AnswerID: 22953

Follow Up By: Rod - Thursday, Jun 19, 2003 at 00:07

Thursday, Jun 19, 2003 at 00:07
Try "West End Diesel"
26 Davis rd, Wetherill Park
(02) 9757 2100.
Top people to deal with and extremely knowledgeable.
FollowupID: 15153

Reply By: Martyn (WA) - Thursday, Jun 19, 2003 at 22:37

Thursday, Jun 19, 2003 at 22:37
For what it's worth I fitted an extra filter to my GQ Nissan, the filter is made by Lucas, the filter has a water trap underneath the filter, works well for me and was easy to fit, I don't seem to have had any adverse reactions to fitting it and it's been in for about two and a half years, the filters have caught some debris and a bit of water whilst installed, the water I got came from a station somewhere near Mt Augustus. New filters cost less than $10, the Nissan filter costs around the $50 mark.Keep the shiny side up
AnswerID: 23038

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