| [ Total Views: 1011 | Total Replies: 9 | Thread Id: 111119 ] |
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 paslow22
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| posted on June 11th, 2016 at 11:18 AM |
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beetle tunnel fuel line
Hi,
I'm getting rust sediment in the carb bowls even after cleaning them out two days ago, it's had the tank treated so I know it's not that, their is
a tube filter in the tank which wouldn't stop the small stuff.
A large metal filter prior to the pump and it's going through that into the bowls,
I fitted a small plastic filter from the pump to the carbs yesterday. only started the motor to see if any leaks.
I am assuming that the metal fuel line up through tunnel is rusted, so I think I will replace it.
Has anyone done this because I think it will be a little difficult.
I spoke to Mick motors and they suggested running it along the tunnel on the passenger side with holes drilled with grommets each end.
Any suggestions
Thanks.
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 Bizarre
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The artist formerly known as blue74l
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| posted on June 11th, 2016 at 11:39 AM |
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There are some good write ups on the net - especially the Samba
Here is one
http://www.thesamba.com/vw/forum/viewtopic.php?t=380724
It is a prick of a job.
Most people do it the easy way and run it clipped to the heater channel underneath or some other method.
Try running rubber fuel line the whole way and see if that fixes your problem
If it does - then plan for doing it right
Futue te ipsum!!!
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hulbyw
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| posted on June 11th, 2016 at 08:34 PM |
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Assumption is the mother of all f ups. Try disconnecting the fuel under the tank and running some into a glass jar. That or running the rubber line as
bizarre suggests is the only way you can be sure the rust is not coming from the tank. If it is the tank, a repro one may be the best value. Hope you
get it sorted soon. Cheers
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hulbyw
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| posted on June 11th, 2016 at 09:45 PM |
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Another thought. Any chance your fuel source is contaminated ? Maybe old crappy tanks at the servo where you fuel up? May be worth draining the beetle
tank and putting in some fuel from a different servo
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psimitar
Son of Jim - Creator of Good
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| posted on June 12th, 2016 at 06:17 PM |
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Is it definitely rust and not black rubber particles from low grade fuel pipe or cheap Brazilian fuel pump diaphragm?
If you use kunifer for the fuel line then it'll be a lot easier to run it through the tunnel. It meets Oz stds and doesn't rust or work harden like
pure copper.
madness is in the eye of the beholder  |
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paslow22
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| posted on June 15th, 2016 at 01:54 PM |
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beetle fuel line
| Quote: | Originally
posted by psimitar
Is it definitely rust and not black rubber particles from low grade fuel pipe or cheap Brazilian fuel pump diaphragm?
If you use kunifer for the fuel line then it'll be a lot easier to run it through the tunnel. It meets Oz stds and doesn't rust or work harden like
pure copper.
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Hi,
Latest information.
I managed to obtain a small sample from the hose from the bottom of the tank. all clear, then I stirred up the fuel and got another sample, all
clear.
Then I disconnected the rubber fuel line at the fuel filter and blew it out with air, there was some small stull in there, very small and not enough
to worry about, so I put some injection cleaner in the length of the pipe and left it overnight, blew it out all clear then run fuel through it 3
times and all clear.
Reconnected all the rubber hoses (all new) up to the filter.
Next step is to check the fuel pump.
Carb pumps are black and the sediment was brown/reddish colour so I don't they will be the cause.
I have also fitted another filter after the fuel pump as more security from dirt etc.
Thanks to all for your help.
Darryl
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adlbeetle66
A.k.a.: Denver
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| posted on June 15th, 2016 at 03:20 PM |
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| Quote: | Originally
posted by paslow22
| Quote: | Originally
posted by psimitar
Is it definitely rust and not black rubber particles from low grade fuel pipe or cheap Brazilian fuel pump diaphragm?
If you use kunifer for the fuel line then it'll be a lot easier to run it through the tunnel. It meets Oz stds and doesn't rust or work harden like
pure copper.
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Hi,
Latest information.
I managed to obtain a small sample from the hose from the bottom of the tank. all clear, then I stirred up the fuel and got another sample, all
clear.
Then I disconnected the rubber fuel line at the fuel filter and blew it out with air, there was some small stull in there, very small and not enough
to worry about, so I put some injection cleaner in the length of the pipe and left it overnight, blew it out all clear then run fuel through it 3
times and all clear.
Reconnected all the rubber hoses (all new) up to the filter.
Next step is to check the fuel pump.
Carb pumps are black and the sediment was brown/reddish colour so I don't they will be the cause.
I have also fitted another filter after the fuel pump as more security from dirt etc.
Thanks to all for your help.
Darryl
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DO NOT ever put a fuel filter between the fuel pump and the carburetor /s. That line is under pressure and if you're unlucky enough for that line to
pop off, that fuel will go straight into your distributor and you'll watch your car glow bright red.. 
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psimitar
Son of Jim - Creator of Good
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| posted on June 15th, 2016 at 06:17 PM |
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Brown reddish colour would be rust from steel for sure. Do you have a steel line from the gearbox connection into the engine bay. These rust a fair
bit quicker than anything else from what I've seen.
A filter in the engine bay is never a good idea just due to fire risk. Those plastic filters have been known to fail quite easily and many a VW owner
left on the side of the road next to a bonfire.
madness is in the eye of the beholder |
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paslow22
Seriously Crusin Dubber
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| posted on June 15th, 2016 at 07:38 PM |
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Beetle tunnel fuel line
Hi all,
Ok , removing other fuel filter tomorrow as soon as I get out of bed, after breakfast.
All fuel lines are new rubber except tunnel, I am confident that the tunnel pipe should be ok, also I replaced the metal fuel filter with a plastic
ome so I can see if it fouls up.
The the guy I purchased it off told me he had the car for about 2 years and only drove it about 150 klms in that time, so I'll check out the pump
for dirt next.
Thanks
Darryl
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adlbeetle66
A.k.a.: Denver
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Under the car.........again!
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| posted on June 15th, 2016 at 08:34 PM |
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I run all my fuel filters just near where they come out on the chassis for your interest 
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