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Topic: Recommendations for shops to fix fuel line  (Read 3997 times)

Offline MattB

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Recommendations for shops to fix fuel line

« on: December 04, 2012, 08:31:35 PM »
After not driving my bug for many months, I decided to drive it to work today. It got there fine, then spewed out most of the gas tank onto the parking lot.

Looks like the joint between the rubber hose coming up from the center channel to the metal line that goes to the fuel pump is bad. Now that R&M doesn't do aircooled and I don't have time to fix it myself, does anyone have any recommendations for a good shop (near downtown or Brainerd) that can fix this for me?

Offline vdubluv

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Re: Recommendations for shops to fix fuel line

« Reply #1 on: December 04, 2012, 08:46:17 PM »
You have no hose to make it run right now?

Offline vdubluv

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Re: Recommendations for shops to fix fuel line

« Reply #2 on: December 04, 2012, 08:49:21 PM »
Is the metal line broke? You are not talking about the tunnel line are you? The line between the tunnel line and hose to the pump, right?

Mark

Offline MattB

  • Joined: Oct 2008
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Re: Recommendations for shops to fix fuel line

« Reply #3 on: December 05, 2012, 07:56:30 AM »
Well the line that goes through the firewall appears to be braided rubber and the gas is leaking at this point. There is no clamp between the metal line and rubber line and I'm not sure if putting a clamp on it would be sufficient so was hoping for a professional opinion.

Offline Ret.Bugtech

Re: Recommendations for shops to fix fuel line

« Reply #4 on: December 05, 2012, 08:18:36 AM »
OOP's.  That metal line is suppose to go through the engine tin about 2 inch or so with a rubber grommet . The braided hose then comes up from the left "wish bone" to the metal line. You need to make sure that the metal hasn't been sawn in half by the engine tin. The hose is "toast".  You are looking for a fire if not corrected right.

Offline travisyoung

Re: Recommendations for shops to fix fuel line

« Reply #5 on: December 05, 2012, 08:21:07 AM »
No way!,  this would be a good time to replace all the braided fuel lines in the car,  under the fuel tank and in the engine compartment

Offline MattB

  • Joined: Oct 2008
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Re: Recommendations for shops to fix fuel line

« Reply #6 on: December 05, 2012, 08:26:55 AM »
Yep, when I saw the hose I thought it wasn't right ;) So... is there a shop round here that can do this for me?

Offline Ret.Bugtech

Re: Recommendations for shops to fix fuel line

« Reply #7 on: December 05, 2012, 09:38:15 AM »
I don't know what to tell you. Its a shame that we don't have anyone anymore. I wish some of you young Guys would step up to help out but I know everybody has to make a living and its not in Air-cool VW's around here anymore. All I can offer now is "Tips and How To" due to my health issues .

Offline volksnick

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Re: Recommendations for shops to fix fuel line

« Reply #8 on: December 05, 2012, 12:28:09 PM »
I don't readily know of anyone who would do it. The two sections of hose that are slightly difficult to get to are the one from the bottom of the tank to the metal line in the frame and the piece from the metal line in frame to the metal line in the firewall/tin.

The other two pieces to the fuel pump and then to the carb are REALLY EASY to swap.

If your tank is already empty... I wouldn't hassle with trying to get it somewhere. I'd buy ~5ft of the braided hose and then remove a front wheel and access the front hose. Then I'd remove the back left wheel and replace the second piece of hose. The other two are right there in plain sight on the engine- do them too!

Put the fuel filter in the piece under the tank OR in the piece next to transaxle.

Use good hose clamps that fit well. Poor fitting ones or ones that really struggle to get small enough will cut the fuel line.

Offline volksnick

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Re: Recommendations for shops to fix fuel line

« Reply #9 on: December 05, 2012, 12:45:48 PM »
This photo shows the metal line coming out of the frame horn on the left.


Hook it up to the metal line in the tin like this:


and this photo is kind of weird, but its one of the only ones I found on thesamba's gallery. It shows the gas tank (white, top of picture) tilted up to show how clean this car is. At the bottom of the tank, you see the fuel outlet (looks like a tube coming out of a large nut) and the hose is all "S"ed out of the way and has a fuel filter in it. That hose attaches to the metal tube coming out of the frame right behind the tie-rods (you can barely make out the clamp.



better shot of the top of the frame underneath the gas tank.


You can do it in less time than it would require to take it to a mechanic (leaking the whole way) and you could do it all for less than $20 worth of fuel hose.

Offline MattB

  • Joined: Oct 2008
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Re: Recommendations for shops to fix fuel line

« Reply #10 on: December 05, 2012, 01:51:41 PM »
Thanks everyone! I think the most difficult thing I have to contend with is that the previous owner cut short the metal line that goes through the firewall, so it's not actually getting to the firewall. Is that metal line easily available locally and bendable so I can create a new piece fro the pump through the firewall?

Offline ASBug

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Re: Recommendations for shops to fix fuel line

« Reply #11 on: December 05, 2012, 03:07:20 PM »
In one of Nick's photos you can see that there is a piece of rubber from the frame horn exit to the 1/4" copper tube that someone has used, it sounds like you just have a small piece of steel extended just through the firewall.  I wouldn't use copper for the line, too soft for that sawing that might occur, I would use a piece of 1/4 or ?? mm brake line that is easily available at any auto parts in straight pieces that you could cut the ends off with a hack saw and bend to whatever shape you need.
my $0.02,
KC

Offline volksnick

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Re: Recommendations for shops to fix fuel line

« Reply #12 on: December 05, 2012, 03:53:03 PM »
Check out Bob Hoovers TULZ series in this section. http://www.volksfolks.org/forums/air-cooled-vw-tech/bob-hoover's-tulz-(tools)-series-tons-of-great-advice!/

Specifically Part Siz: FIRE

Quote
The other common cause of engine fires is due to your failure to replace
the grommet isolating the fuel pipe where it passes through the forward
breast tin. 

Back in the good old days, whenever that was, every time you took your
Volkswagen in for service they'd check the grommet.  (You check it with
your thumbnail.)  If it was hard, they'd replace it.  And it got hard pretty
quick since it's only inches away from the #3 exhaust stack, which runs
red hot at highway speed.  The rubber grommet soaks up the radiant
heat from the cherry-red steel and cooks itself harder than a bride's
biscuits in no time at all. 

Once the grommet gets hard it cracks into pieces and falls out, leaving
your fuel pipe to rub against the .025 edge of the sheet metal of the
forward breast tin.  Now, you wouldn't think a piece of sheet metal would
make a very good saw but remember, it only has to cut far enough to let
the fuel spray out.  And that don't take long at all.  So now you got raw
gasoline dribbling out the fuel pipe just inches from the #3 exhaust stack. 


Keep reading for his recommendation on the BEST possible solution (remember he was an airplane mechanic or something, so he takes things like this very seriously).

Offline vdubluv

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Re: Recommendations for shops to fix fuel line

« Reply #13 on: December 05, 2012, 04:08:36 PM »
Thanks everyone! I think the most difficult thing I have to contend with is that the previous owner cut short the metal line that goes through the firewall, so it's not actually getting to the firewall. Is that metal line easily available locally and bendable so I can create a new piece fro the pump through the firewall?
I pm'd you...

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