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carcrazed
Samba Member
Joined: November 15, 2007
Posts: 957
Location: Ohio
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 Posted: Tue Mar 22, 2016 8:36 am Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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I know there are a lot of people who will disagree, but try an electric pump. I replaced my stock fuel pump about 12 years ago with an electric pump and never had one ounce of trouble. The only thing I did was add a fuel pressure regulator.
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1965 Herbie Replica. 1776cc dual Kads.
1961 Beetle 33,000 Original Miles
"Just When you think you are getting ahead, you're always wrong." |
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Bret2094
Samba Member
Joined: March 22, 2012
Posts: 665
Location: Linden, Texas or College Station Texas
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| Posted: Tue Mar 22, 2016 8:39 am Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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Did you put the hoses on in the right order? I've gotten them backwards before and kicked myself in the ass for hours. Just a thought
Bret
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1959 baja beetle ragtop( going back to Full body)
1959 beetle
1960 Beetle frame Custom buggy
1962 Karmann Ghia
1967 beetle( august 66, first car)
1967 beetle (parts car)
1977 Westfalia Camper
1972 Plymouth Duster
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Krmnnghia
Samba Member
Joined: March 28, 2005
Posts: 797
Location: Michigan, Land of salty roads!
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| Posted: Tue Mar 22, 2016 8:40 am Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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| EVfun wrote: |
So if you loosen the fuel pump on the block and then tighten it again it works for a while? If that is the case I suspect the Bakelite base is compressing a little and that can bind the push rod in some situations. I suspect the pushrod is not perfectly round or not perfectly strait.
You should blow the line out between the tank and the pump. It is just a good check to make and basically free to do. A plugged line is hard on the fuel pump.
I was thinking it could be a pump without a spring on one of the check valves. They often work most of the time but every so often the check valves gets cocked a little and won't seal. You replacement pump should have ruled that out.
The electric fuel pump solution introduces more trouble. It needs a proper controlled relay so if the engine dies the pump shuts off without the key being shut off. This is important for accident safety. |
Thanks...I believe the bakelite piece is the only piece in the system I have not replaced. It has been shaved a bit to ensure it doesn't swell and lock on to the rod but since loosening the pump allows the system to start working again, it may still be locking. |
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Krmnnghia
Samba Member
Joined: March 28, 2005
Posts: 797
Location: Michigan, Land of salty roads!
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| Posted: Tue Mar 22, 2016 8:42 am Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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| Bret2094 wrote: |
Did you put the hoses on in the right order? I've gotten them backwards before and kicked myself in the ass for hours. Just a thought
Bret |
Nope...since the car runs great and then just does not restart, can't be crossed hoses.  |
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arizonabuckeye
Samba Member
Joined: November 10, 2013
Posts: 544
Location: SLC
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| Posted: Tue Mar 22, 2016 10:31 am Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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I'm a little surprised that no one has suggested making sure the tank is clean. Could it be that you are just getting little chunks of crap that is stopping everything up? Have you done the check with the line disconnected from the carb and cranking the motor to see a strong stream?
If the filter gets obstructed and makes the pump work too hard...
I could see that happening sporadically as clumps of crap break loose inside your tank - then fall to the bottom of the filter after sitting. Meaning flow is obstructed when pressurized but once it has dropped and crap clears a bit flow is back to normal. |
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Krmnnghia
Samba Member
Joined: March 28, 2005
Posts: 797
Location: Michigan, Land of salty roads!
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| Posted: Tue Mar 22, 2016 10:40 am Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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| Tank is very very clean. No chunks inside. I have disconnected and blown through the lines and the line out of the tank pours out fast. |
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bugheadred
Samba Member
Joined: January 23, 2003
Posts: 666
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| Posted: Tue Mar 22, 2016 1:36 pm Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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| take the hoses of the fuel line and push a piece of weed trimmer line through the metal line and see what comes out |
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wcfvw69 
Samba Purist
Joined: June 10, 2004
Posts: 13389
Location: Arizona
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| Posted: Tue Mar 22, 2016 3:00 pm Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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There's a mesh screen screwed into the tank nipple at the bottom. Have you un-screwed it to see if there's garbage or something blocking fuel flow? Many times, this is the problem.
I personally wouldn't run a Euromax anything. It's pure Chinese garbage. I'd prefer a Brazilian made part over it. The best fuel pumps are original Pierburg German made fuel pumps. There are some folks that sell them rebuilt. I run them on my VW's. I've rebuilt them with NOS diaphragms and they are awesome.
If it was me, I'd unscrew that tank screen/filter under the tank. If it was clean, I'd reinstall it with a new piece of rubber fuel line to connect it to the steel line running into the tunnel AFTER I blew thru the steel line to insure it was clear to the back of the pan. I've seen the rubber hoses under there that were 20 years old and were collapsing internally. I'd also change the rubber fuel line that connects to the steel line coming out the back of the pan to the steel line into the engine compartment.
If you are sure the steel line is clear and you install the all new (good) rubber fuel hoses to the fuel pump, you need to suspect the POS pump, IF you're sure your bakelite stand isn't binding up the push rod.
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consvws
Samba Member
Joined: April 07, 2009
Posts: 950
Location: Roseburg, OR
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| Posted: Thu Mar 24, 2016 8:45 pm Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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| EVfun wrote: |
| You should blow the line out between the tank and the pump |
Agreed ^^^^ and while your at it pull the fuel screen out of your tank & check it out |
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zabo
Samba Member
Joined: May 24, 2005
Posts: 1195
Location: ATL
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| Posted: Fri Mar 25, 2016 4:46 am Post subject: Re: New Fuel Pump. Ran for 30 min and died. |
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I recently went through this same thing. mine did end up being crap in the tank. but before I figured it out i got to test the crappy fuel pump rebuild kits and an euromax pump. both failed quickly. i ended up springing for a rebuild from ed fall. He does extremely nice work and is great to deal with. vintagewerks.com
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