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Old 06-22-2007, 08:12 AM   #1 (permalink)
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Question Samurai fuel pump 87

Hi to all my samurai is liking oil for the fuel pump ,the oil is coming out for the rear pipe the one that doesn’t have any house I believe that this is for release vapors ,but is leaking a lot or oil ,the fuel pump is new any idea
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Old 07-04-2007, 09:31 AM   #2 (permalink)
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Sounds like the diaphragm in your fuel pump is fractured in which case you need to replace it. When replacing, be sure to position cam arm correctly.
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Old 03-10-2010, 07:22 PM   #3 (permalink)
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Quote:
Originally Posted by zeke1312 View Post
When replacing, be sure to position cam arm correctly.
Can you elaborate this this a little bit?
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Old 03-10-2010, 10:16 PM   #4 (permalink)
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when you pull the pump off you will see a little metal rod. you need to turn the motor until the rod sits as far into the block as possible.... is anyone able to elaborate why for us?...
that oil coming out of there does mean the diaphragm is broken. which means the pump is pushing fuel into the oil, VERY bad. make sure you change the oil and oil filter when you change the pump. but its an easy job. i have absolutely no mechanical knowledge, and i did it with no problems. But DO NOT DRIVE IT until its done. fuel diluting the oil means its not lubricating properly.

quick question, has anyone else noticed how many people are reporting that their fuel pumps are breaking in the last 2 or 3 months?...
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Old 03-10-2010, 10:54 PM   #5 (permalink)
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That's exactly what I've done.

Did you see my thread on this issue? I have a brand-new fuel pump and it's not seating on the head- leaking oil from the lowest part of the pump's mating surface in spite of RTV and a gasket. Something's warped, but the pump that I took off didn't leak, so I don't know what's up- I'm still working on it.

If I don't get this whipped pretty soon I'm think I'll just convert to electric.
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Old 03-11-2010, 02:56 AM   #6 (permalink)
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i did it about a month or so ago too. but i think mine was broken for quite a while before i realised, because i was very stupid when it came to cars (still am, just to a lesser degree because of this forum). I changed the oil 4 times and the filter twice, and the oil still has a light petrol smell to it. so changing those is a must
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Old 03-11-2010, 08:52 AM   #7 (permalink)
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Quote:
Originally Posted by whincup View Post
when you pull the pump off you will see a little metal rod. you need to turn the motor until the rod sits as far into the block as possible.... is anyone able to elaborate why for us?...
The less pressure you have on the pump when you install it, the better chance you will seat it correctly. Why fight the spring pressure if you don't have to. i have done it bothways, but with the rod all the way in was easier.
How's that?
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Old 03-11-2010, 09:54 PM   #8 (permalink)
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gives me peace of mind, because i didnt do that... it was most of the way out. just sat the pump in place and did both bolts up at a fairly equal rate... couple of turns on one bolt, couple of turns on the other...
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Old 03-12-2010, 12:07 AM   #9 (permalink)
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I found it easier to turn the engine by hand until the rod was as in as far as it could go... then put on the pump.
that said, I would think about yanken the thing off and going electric.
has many advantages and never a chance to mix gas in the oil again.
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Old 03-12-2010, 04:03 AM   #10 (permalink)
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i considered it, but no idea what i was doing... how do you go about that? obviously need a pump, but need some way to regulate pressure depending on engine speed and throttle percentage?? and (im assuming) some sort of metal plate to go over the hole where the fuel pump sat...
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