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djkeev
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Location: Reading Pennsylvania
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MarkWard
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Joined: February 09, 2005
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Location: Retired South Florida
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 Posted: Wed Mar 17, 2021 9:31 am Post subject: Re: Storing a used fuel pump |
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Kerosene or diesel fuel. ATF would work too. Then bag it. Sometimes you can jump start a seized fuel pump with 24 volts. I'd not recommend doing that on the vehicle.
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djkeev
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DanHoug
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Location: Bemidji, MN
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| Posted: Wed Mar 17, 2021 9:49 am Post subject: Re: Storing a used fuel pump |
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there's a filter screen and check valves in the pump so after pouring some ATF in, give a couple shots of 12v until the red stuff gooshes out. have the muzzle pointing in a safe direction of course.
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-dan
60% of what you find on the internet is wrong, including this post.
'87 Westy & '89 Westy both 2.1 4spd
Past projects can be found at--
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DanHoug
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Location: Bemidji, MN
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| Posted: Wed Mar 17, 2021 9:54 am Post subject: Re: Storing a used fuel pump |
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since the locked up pump is trash anyway, soak it submerged for a week or two in Coleman fuel in a metal or glass container. essentially inexpensive naptha, the magic ingredient in Sea Foam. or maybe use Xylene.
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-dan
60% of what you find on the internet is wrong, including this post.
'87 Westy & '89 Westy both 2.1 4spd
Past projects can be found at--
www.thefixitworkshop.com |
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djkeev
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Location: Reading Pennsylvania
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DanHoug
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Joined: December 05, 2016
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Location: Bemidji, MN
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| Posted: Wed Mar 17, 2021 10:28 am Post subject: Re: Storing a used fuel pump |
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| djkeev wrote: |
What if I wire it backwards and run the atf through it thus flushing out the intake screen?
Or is there a check valve preventing such a thing?
Dave |
there is a check valve. that's what holds your fuel pressure up in the rails when the engine is stopped.
but rocking backwards and forwards can help try to free the armature. this design runs the armature in gasoline for lubrication and cooling. let's say it holds a cup total, it's probably not that much. if you evaporate a cup of gasoline, the amount of schmoo left isn't that much. i bet it might free up with a long solvent soak. nothing to lose.
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-dan
60% of what you find on the internet is wrong, including this post.
'87 Westy & '89 Westy both 2.1 4spd
Past projects can be found at--
www.thefixitworkshop.com |
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Mikesarge
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Joined: September 25, 2008
Posts: 222
Location: PNW
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| Posted: Wed Mar 17, 2021 10:48 am Post subject: Re: Storing a used fuel pump |
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| djkeev wrote: |
What if I wire it backwards and run the atf through it thus flushing out the intake screen?
Or is there a check valve preventing such a thing?
Dave |
This worked for me one time on a Type 3 (late FI squareback) fuel pump. I hung the pump using some wire, and barely submerged it in a small pot of diesel with jumper leads and just switched polarity back and forth on it a few times. It eventually expelled a bunch of gunk, then worked normally for several months (before I ultimately tore the ICE engine out and replaced with an EV drivetrain).
I think I was 19 at the time. Looking back, that seems extremely dangerous for a number of reasons, and I would not do it that way again.
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1986 Syncro westfauxlia EJ22
1980 911 SC 3.1 |
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djkeev
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Location: Reading Pennsylvania
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Howesight
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Joined: July 02, 2008
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Location: Vancouver, B.C.
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| Posted: Wed Mar 17, 2021 2:26 pm Post subject: Re: Storing a used fuel pump |
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Hey Dave:
Why store that pump when it can be used as an air compressor? 
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'86 Syncro Westy SVX |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 76947
Location: Sneaking up behind you
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| Posted: Wed Mar 17, 2021 2:38 pm Post subject: Re: Storing a used fuel pump |
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| Howesight wrote: |
Hey Dave:
Why store that pump when it can be used as an air compressor? |
Bad idea, the fuel cools and lubricates the internal parts. 
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
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MarkWard
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Joined: February 09, 2005
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Location: Retired South Florida
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| Posted: Wed Mar 17, 2021 2:48 pm Post subject: Re: Storing a used fuel pump |
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Glenn, it was a joke. Need to read Dave’s other thread why he now owns a spare
fuel pump.
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djkeev
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danfromsyr
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Joined: March 01, 2004
Posts: 15144
Location: Syracuse, NY
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| Posted: Wed Mar 17, 2021 6:53 pm Post subject: Re: Storing a used fuel pump |
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ME, I've learned that the hard way on a dirty parking lot. with a nice spray of fuel in my face as it backwashed on me for removing the line.
| djkeev wrote: |
| MarkWard wrote: |
Glenn, it was a joke. Need to read Dave’s other thread why he now owns a spare
fuel pump. |
I had a spare NEW fuel pump......
Now?
I have a spare USED fuel pump.
Live and learn, who knew a Bosch pump can compress air to 26 psi?
Not me for sure!
At least I can cash in on the warranty if this new Bosch pukesl
My last new Bosch made it from Jersey to Southern Idaho where it died over night!
A friend from Boise picked one up and brought it to me, we were headed to her house anyway.....
Now? I carry a spare pump with me.
This assures that it will never happen again!
Dave |
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