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post #1 of (permalink) Old 09-23-2002, 12:11 AM
Urai
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Oil in Fuel Filter???

Today I replaced my fuel filter on the samurai. After emptying out all of the gas I looked into the filter to see what was in there. To my surprise I saw droplets of what looked like oil. It was really dark and did not mix with the gas (like oil in water). At first I thought this was oil but... how would oil be in the fuel filter unless it is in my fuel tank? Could this be part of the fuel filter itself that dissolved? The filter appeared to be VERY old (I just bought the samurai a month ago). I have heard that you can get fuel in your oil if the fuel pump goes but I don’t see how this can be the other way around. Wouldn’t the oil be combusted and shot out through the exhaust if this were the case? My sami is an 87 with 115,000 miles on it. Do you think I should just replace the fuel pump to be safe? Thank you for your time.
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post #2 of (permalink) Old 09-23-2002, 06:11 AM
 
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Re: Oil in Fuel Filter???

Are you sure it's not just water??
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post #3 of (permalink) Old 09-23-2002, 06:50 AM
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Re: Oil in Fuel Filter???

It was water. once it is in the filter it collects the rest of the gunk in there and turns into some nasty stuff.
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post #4 of (permalink) Old 09-23-2002, 08:07 AM
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Re: Oil in Fuel Filter???

Urai:

If you can, I'd replace the mechanical fuel pump. Since they seem to have a history of going bad at just over 110k -- especially if the truck has sat unused for several months -- you might want to do this just to be safe.

Remember, if you do it yourself, DO NOT touch or press on the pump arm as you may damage the diaphragm on your new pump. Don't ask why I know this...

Also, check and change your oil, if you haven't already. Keeping a close eye on the oil (raises in level, sudden thinness and an unpleasant increase in engine noise) until you can change the fuel pump might be a good idea if replacing the pump cannot be done right now. Hey, if it is okay, why screw with it?
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