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3L injector pump? fuel leak

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3L injector pump? fuel leak

g'day i have a 2.8l 3L in my lux and it has sprung a diesel leak from somewhere around the injector pump. i thought (well hoped) it was just a dodgy fuel hose clamps but after fitting new clamps it hasnt helped. i have looked from as many angles as possible but i cannot find the source of the leak.

so what i would like to know has anyone had an injector pump o/hauled if so what was the $$$damage?

also does anyone recommend fitting (if i can find one) a second hand pump from a wreck? obviously i will look for sings of previous leakage before taking:o


any help would be great

and i did do a search but didnt find what i was looking for

Unread postby solidute » February 1st, 2010, 5:35 pm


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i replaced one not long ago for a customer. (2.8lt) was leaking from both side plates, most of the time they leak from the top housing, its not cheap think it cost around $900 just to over haul the pump. i also had to get my patrols pump done a second time in 4 years, got some doddgy fuel which stuffed the o'rings inside the pump. i wouldn't fit a second hand pump unless it had been over hauled already.

Unread postby danvdh » February 1st, 2010, 6:04 pm


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Depends upon the location of the leak. Simple top cover O rings can be done cheaply but a general overhaul of the Hilux pump will set you back approx $900 to $1400 depending upon whats wrong internally (mine cost $1000 a few months ago). These costs are only if you pull the pump out hence saving labour charges.

Would also pay to get the injectors reconditioned/ swapped at the same time !
I originally went 2nd hand and 2 pumps later I gave up and got my original pump reconditioned and havent looked back. As the diesel specialist told me that wreckers don't store nor drain the pumps properly and the diesel gums up internally. That is what happened to the 1st one I bought from a wrecker and the time to fit then remove it just pee'd me off.

Unread postby SimHilux » February 1st, 2010, 6:38 pm


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i found the leak and used this pic to show what the problem is.

does anyone know if it is an easy fix to do at home or if i have to get it done by a specialist?

open the pic and look where the arrow is pointing
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Unread postby solidute » February 6th, 2010, 8:19 pm


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Hey i got a pump listed on ebay Schedule to start tomorrow at 8pm maybe that's an easier option than repairing yours. i put a low start price on it.
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Unread postby 80gus » February 6th, 2010, 8:32 pm


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is it off of a turbo model? if not i'd have to spend the same money setting it up so fixing it would just be easier i think. cheers anyway

Unread postby solidute » February 6th, 2010, 8:35 pm


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solidute wrote:is it off of a turbo model? if not i'd have to spend the same money setting it up so fixing it would just be easier i think. cheers anyway

Na its not bud sorry.
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Unread postby 80gus » February 6th, 2010, 8:42 pm


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Strip the little side housing off,get an 'o' ring and fit it up,what have you got two loose!
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Unread postby andyjim243 » February 6th, 2010, 8:49 pm


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hey solidute my 60 is a 2f but my daily driver(work supplied cheapy) had this problem and was not worth spending the money on but a m8 from work who's mechanicaly minded got a kit for it(under $200) and he did it for me . he said it was a challenge but the old 440,000 k navara went from a guttless smokey old slug to a smokeless slow old slug. so if your clever this might work 4 u.
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Unread postby mudshark » February 6th, 2010, 8:54 pm


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hi andy,

thats what im thinking. genuine parts are only $10.40 if they r still available so not worried about that i just dont wanna cause bigger headaches if it shouldnt be done

Unread postby solidute » February 6th, 2010, 8:57 pm


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Mate, it could be as easy as two $9 orings or may be much worse.I had an 80 series through the workshop leaking from there, fitted in new orings but didnt stop the leak.Talking to a pump specialest, they believed there may have been a hairline crack in the pump body.We will be removing the pump in a few weeks for a full rebuild so will know the outcome then.
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Unread postby Moto Mech » February 6th, 2010, 8:59 pm


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[quote=" so if your clever this might work 4 u.[/QUOTE"]


i am a mechanic (no longer in the industry tho) but we didnt do that stuff in house it was all removed and sent to specialists. thats the prob these days mechanics turn into parts fitters which is why i got out

Unread postby solidute » February 6th, 2010, 9:00 pm


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this one only leaks when cold. i think the heat swells the orings and fixes the leak. if it was a crack i think the problem would be in reverse and leak when hot

Unread postby solidute » February 6th, 2010, 9:01 pm


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solidute wrote:this one only leaks when cold. i think the heat swells the orings and fixes the leak. if it was a crack i think the problem would be in reverse and leak when hot


Not sure, Its been in the workshop a few times for other things, some times its leaking, others times it dosnt.Has been like it for over a year, finally getting it done soon.
FZJ105 GXL Cruiser Lifted,33 MTR's,ARB Bar,Rear wheel carrier, Draws, Front & Rear Locker, Lots more ARB goodies
FZJ80 GXL Cruiser OME Lifted, Safari Snorkel, Kaymar Rear Bar
FJ40 1976 Rear Locker, Spotties

Unread postby Moto Mech » February 6th, 2010, 9:09 pm


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do it brother,new 'o' ring or two,if if seals you will smile,if it won't seal then you still have to go with the overhaul.Go slow,no nicks and install with snow white grease (fine film)
Hilux and a Landcruiser that's all you need....oh and beer of course

Unread postby andyjim243 » February 6th, 2010, 9:10 pm


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