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What Fails On An Intank Fuel Pump ? |
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FREEDGUY
Orange Level Access Joined: 15 Apr 2017 Location: South West Mich Points: 5391 |
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Posted: 30 Dec 2020 at 5:22pm |
Is it electrical connections ? Motor fail ? Impeller ( not sure how the pumps function ) fail or something else ?? Thanks
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77890 |
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if your talking about a car/ truck... It is the bushings on the end of the motor.. Bushing wears a little and rotor runs off center. When you stop, the rotor is laying aginst the windings ( no air gap) and will not start back up.... That is why if you SLAM the door or BUMP the truck, it will sometimes take off and run for a while... temporary fix.
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Like them all, but love the "B"s.
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Dakota Dave
Orange Level Joined: 12 Sep 2009 Location: ND Points: 3894 |
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The motor that is cooled by the gasoline bearings get loose. The shaft runs a little off and the armature sticks to the field magnets. If you get a car that's been run low on fuel the fuel pumps go out on a regular basis. If your going to change one out get the module instead of just the pump. Changing the pump only is a little Cheeper but you'll be doing it again soon.
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FREEDGUY
Orange Level Access Joined: 15 Apr 2017 Location: South West Mich Points: 5391 |
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Yes, I was asking about a "gas engine/fuel injected engine of NO brand in particular . DD, you speak of a "shaft" (so did Steve), but what does the shaft "drive" ?? is it an impeller like a water pump or a different mechanism ?? Thanks to both of your replies and have a safe and happy New Year !!
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77890 |
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shaft / rotor = same thing... Just a vertical motor with a little pump/ check valve on the end of it.. bushing on each end of the motor... .. lubed and cooled by gasoline as Dave said.... the bushings / brushes , wear due to heat and runs off center.
Edited by steve(ill) - 31 Dec 2020 at 9:04pm |
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Like them all, but love the "B"s.
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shameless dude
Orange Level Joined: 10 Apr 2017 Location: east NE Points: 13611 |
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i had a conversion van that the pipe inside the tank broke off away from the pump, pump still pumped, but it wasn't going into the tube that carries it to the engine. was a simple fix by the dealer, think it cost me around $60. to have fixed.
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DougG
Orange Level Joined: 20 Sep 2009 Location: Mo Points: 7946 |
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Still wonder about electric motor in gasoline- but it's trued and true!
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DMiller
Orange Level Access Joined: 14 Sep 2009 Location: Hermann, Mo Points: 29589 |
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So long as liquid in the pump no BOOOM!!! Vapors are what burn or explode.
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jaybmiller
Orange Level Access Joined: 12 Sep 2009 Location: Greensville,Ont Points: 21505 |
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You can toss lit matches into a pail FULL of gasoline all day long..... just don't do that when 1/2 full !!!
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
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FREEDGUY
Orange Level Access Joined: 15 Apr 2017 Location: South West Mich Points: 5391 |
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Now wait a minute, half or full, those buckets (pails) are putting off vapors !!
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shameless dude
Orange Level Joined: 10 Apr 2017 Location: east NE Points: 13611 |
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i've also throwed lit matches into gasoline and had them go out. was winter time tho.
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Tbone95
Orange Level Access Joined: 31 Aug 2012 Location: Michigan Points: 11398 |
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I wouldn’t trust it on a dead calm day. Could very easily get a flash of the vapors over the bucket. It all makes sense, but conditions make the difference.
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tadams(OH)
Orange Level Access Joined: 17 Sep 2009 Location: Jeromesville, O Points: 9670 |
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Especially with this great gas we have now, it'll probably put the match out, no fumes
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