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Godsbug
Samba Member
Joined: April 29, 2006
Posts: 996
Location: Renton, WA
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 Posted: Sun May 14, 2006 7:15 pm Post subject: Carb fuel line question |
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I have a PICT 34 carb on my 1600 DP. I was driving this morning and the fuel line that goes into the top of the carb came out and sprayed fuel everywhere. The thing is that the line was still attached the the brass piece that is part of the carb, but the brass piece came out of the carb itself. Has this happened to anyone else? I tapped it back in with a rubber mallet and it seems to be snug, but I'm concerned that it will happen again. Any thoughts, advice, suggestions?
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2017 Golf Alltrack
2011 Fit
1968 Fastback |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 76948
Location: Sneaking up behind you
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67jason
Samba Member
Joined: August 28, 2005
Posts: 4741
Location: behind my back feet - Pittsburg CA
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| Posted: Sun May 14, 2006 7:25 pm Post subject: |
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| try to ream out the end that goes into the carb a little bit and put a dab of locktite on it and tap it back in. should hold for a while. but since it came out once, you might want to use the wire method like in the pic above. |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 76948
Location: Sneaking up behind you
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| Posted: Sun May 14, 2006 7:26 pm Post subject: |
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JB Weld will work also.
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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"
Member #1009
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KantDriveFast
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Joined: January 08, 2005
Posts: 4293
Location: Caldwell, Id.
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| Posted: Sun May 14, 2006 7:30 pm Post subject: |
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| Try any of the methods above, just do SOMETHING...you are VERY lucky you aren't staring at a new "charcoal" paint job!!! Most are not as fortunate. |
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Godsbug
Samba Member
Joined: April 29, 2006
Posts: 996
Location: Renton, WA
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| Posted: Sun May 14, 2006 7:33 pm Post subject: |
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Thanks. Sorry to duplicate.
I couldn't figure out why the engine wasn't running right and parked the car (Leaving it running) and went back to investigate only to see a huge pool of gas expanding on the ground and a line of gas following me. I shut that thing down as fast as I could. It stripped the paint off my engine, but thank God that's all I lost.
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2017 Golf Alltrack
2011 Fit
1968 Fastback
Last edited by Godsbug on Sun May 14, 2006 7:36 pm; edited 1 time in total |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 76948
Location: Sneaking up behind you
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| Posted: Sun May 14, 2006 7:34 pm Post subject: |
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| All 3 wrote: |
| Thanks. Sorry to duplicate. |
The search feature is your friend. And if that fails... ask. 
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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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KTPhil
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Joined: April 06, 2006
Posts: 34022
Location: Conejo Valley, CA
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| Posted: Sun May 14, 2006 8:11 pm Post subject: |
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| I have seen a recommendation to use a tight zip tie instead of a steel worm clamp, because the steel clamp absorbs heat and can cause it to loosen. I can't verify the claim, but it makes some sense. |
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Godsbug
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Joined: April 29, 2006
Posts: 996
Location: Renton, WA
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| Posted: Sun May 14, 2006 8:30 pm Post subject: |
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Standard zip ties loosen and tighten as heat rises and cools, but they don't necessarily shrink back to their previous size. Unless you buy aircraft grade. I would think that wire would be a better bet.
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2017 Golf Alltrack
2011 Fit
1968 Fastback |
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MedicTed
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Joined: August 12, 2005
Posts: 2110
Location: King of Prussia, PA
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| Posted: Mon May 15, 2006 4:51 am Post subject: |
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| KTPhil wrote: |
| I have seen a recommendation to use a tight zip tie instead of a steel worm clamp, because the steel clamp absorbs heat and can cause it to loosen. I can't verify the claim, but it makes some sense. |
A steel clamp is not going to loosen enough from temperature expansion to cause a problem, UNLESS IT IS TOO LOOSE IN THE FIRST PLACE. Remeber that the line inside of the rubber hose is also going to expand.
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Ted Wojton
70 VW Bus Westfalia camper
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 76948
Location: Sneaking up behind you
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| Posted: Mon May 15, 2006 6:05 am Post subject: |
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The problem is not the clamp. It that the brass tube is one tapped into the carb and falls out with the hose still attached.
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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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KTPhil
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Joined: April 06, 2006
Posts: 34022
Location: Conejo Valley, CA
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| Posted: Mon May 15, 2006 9:12 am Post subject: |
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The claim was not that the steel clamp loosesned with heat. It was that since the steel worm clamp absorbs heat, it then both hardens the rubber hose (increasing the likelilhood of cracking), and causes the carb fitting to heat up, allowing the brass tube to pull out more easily.
Tie wire is more work, but should work well.
How many burnt deck lids have you seen? Too many to count. I replaces hoses every year and didn't worry. Too much heat and smog in LA to take a chance. PITA for EFI--so many more hoses and connections. |
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bill may
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Location: san diego,ca
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