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milling machine
User
May 5, 2013, 5:32 PM
Post #1 of 9
(2001 views)
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I have a 1995 Chevy Van 350 engine the fuel pump went bad it was only a year old the rubber hose extension that is part of the fuel pump actually melted or mushed up--the van is rarely ever driven the same fuel has been in the tank for over a year-the part store guy said he never seen anything like this and thought the stale fuel caused it to happen--has anyone ever heard of something like this-- I never have
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milling machine
User
May 5, 2013, 6:21 PM
Post #3 of 9
(1973 views)
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The rubber hose came with the fuel pump-it was an aftermarket fuel pump ( cheap one ) I am not certain of the brand at this time but have you ever heard of stale fuel causing the rubber to disinegrate or turn to mush because this is what happened--I am going to have to put another fuel pump in and it will most likely sit in stale fuel also--do you think this caused the problem
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Discretesignals
Ultimate Carjunky
/ Moderator
May 5, 2013, 6:30 PM
Post #4 of 9
(1972 views)
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Don't know. Don't know what kind of hose was in the box with the pump. Don't know what kind of chemical activity goes on between rubber and stale fuel.
Just make sure the hose is rated for submersion as stated above. You do know that when gasoline (e10,e85) sits like that the ethanol will eventually go through phase separation. Then you'll have water in the tank which causes corrosion, screws the pump up, and messes up your injectors.
Why does it sit so long to let the gasoline go bad?
Make sure that you clean out the tank and change the fuel filter before you stick your new pump in or the new pump won't last very long.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on May 5, 2013, 6:32 PM)
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milling machine
User
May 5, 2013, 6:38 PM
Post #5 of 9
(1968 views)
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It is a medical van that does not get used often-less than twice a year I guess I am just going to have to keep the tank dry
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Discretesignals
Ultimate Carjunky
/ Moderator
May 5, 2013, 6:46 PM
Post #6 of 9
(1966 views)
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That's even worse. An empty tank will condensate inside. Then you have water and rust.
Best thing to do would be to fill it all the way up and put some type of stabilizer in it.
It doesn't hurt to drive it more often either.
I hope this isn't an ambulance....LOL
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on May 5, 2013, 6:48 PM)
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milling machine
User
May 5, 2013, 7:04 PM
Post #7 of 9
(1960 views)
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No it is not an ambulance I guess I will have to put some kind of stabilizer in it as you suggested--Thanks for the answer
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nickwarner
Veteran
/ Moderator
May 5, 2013, 9:05 PM
Post #8 of 9
(1946 views)
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Get ethanol free fuel. Lot of gas stations have their premium without it. Seafoam and Sta-Bil both make good products to keep it from going to crap. Put ethanol in anything but a daily driver and it degrades at 4 times the rate of gasoline.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
May 6, 2013, 2:52 AM
Post #9 of 9
(1935 views)
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So right Nick. Ethanol is junk and hard on systems. Wish here they would say exactly how much is in what. Pumps just say "may contain up to 10%" and that's it. Dang, even I buy tons of stabil, happen to use Techron a lot with low use stuff. Drain tanks of seasonal stuff etc.
Back to top. Cheap pump or not I'm surprised even if the hose was just old stock regular fuel line that it went to mush in a year. It's hard to get the straight scoop on what we are buying out there,
T
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