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yellowdog60
New User
Apr 28, 2012, 5:08 PM
Post #1 of 6
(1649 views)
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fuel pump failures
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1996 GMC pickup ,5 litre 92000 KM-I have been burning fuel pumps , i am on my third in the last year . Been flat bedded in twice .
Any help would be appreciated
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Discretesignals
Ultimate Carjunky
/ Moderator
Apr 28, 2012, 6:04 PM
Post #2 of 6
(1637 views)
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Re: fuel pump failures
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Burning fuel pumps?
You might want to check out the bottom of the tank. Contamination can kill a new pump. If necessary, have the tank cleaned out before installing your new pump. That's if the pump you been putting in there have been mechanically failing.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Apr 28, 2012, 6:47 PM
Post #3 of 6
(1628 views)
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Re: fuel pump failures
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Done with biz but still check things out and do work with a friend's shop. Seems GMs in particular don't do well with aftermarket stuff so pay for a real GM whole unit. Hope at least the parts are under warranty for you.
Other thing is they don't like running low on fuel as nasty as it is to keep things on the full side it cools them. Still had one family vehicle (you can bet I get called when things go wrong) from all around the US and didn't my aging Mother's Suburban (96 also) w a 42 full tank of gas go south but still ran. I noticed it as I always drive it and noticed one day it took a couple tries to start up?! Bought new so full history and these things start first crack in any weather or temperature.
Took me a while to catch low pressure but finally did which condemned it. Hardest part is what to do with the gas but actually could pump out almost all but enough to do it with the friends shop and didn't need perhaps 300 lbs of a tank to deal with!
If your area uses alcohol in the gas mandated here that doesn't help anything either. Here it's mandated that it contain 10% which so nicely lowers your fuel mileage by about the same so it's just filler really. What a rip
T
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yellowdog60
New User
Apr 28, 2012, 7:23 PM
Post #4 of 6
(1606 views)
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Re: fuel pump failures
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Thanks for the replys :Parts are under warrenty , labour and flatbed costs are killing me -last bill under warrenty was $237 --the shop said do not take it out of town--We use ethanol , can't even get them to guarantee high test is pure
So keep the gas above a quarter above a half-what ? -almost takes a loan to fill it up
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yellowdog60
New User
Apr 28, 2012, 7:26 PM
Post #5 of 6
(1601 views)
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Re: fuel pump failures
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Thanks for the reply : the pumps have been burning out ,no warning no chance to get off the road just dead
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Discretesignals
Ultimate Carjunky
/ Moderator
Apr 28, 2012, 7:41 PM
Post #6 of 6
(1595 views)
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Re: fuel pump failures
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Like I typed before a majority of mechanical failures of fuel pumps is due to debris sitting in the fuel tank. The screen on the bottom of the pump doesn't filter everything. You get metal fragments or any other garbage sucked into the pump vane and it will take out a pump in no time.
Some of these companies want you to send in the defective pump and the pickup screen when you return for a defect. If they find the pump failed from foreign object damage, they might not warranty the pump or allow a labor claim and the shop will have to eat it.
As long as the fuel pump has fuel moving though it when it is running, it will be cooled and lubricated. The fuel level in the tank really isn't a concern unless the tank is empty and the pump isn't picking any fuel up.
Another thing to make sure of is the pump isn't shutting off because of a power or ground problem. Make sure they voltage drop the pump circuits to make sure there isn't some type of resistance going on.
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 Apr 28, 2012, 8:11 PM)
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