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Repairing Pin Holes in Carburator Float

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AWB

02-07-2003 05:02:41

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Is there something other than solder that I can use to repair a pinhole leak in a carburator float? What is a safe way to get the gasoline out of the float? Thanks, AWB

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gary in colorado

02-18-2003 17:02:28

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Re: Repairing Pin Holes in Carburator Float in reply to AWB, 02-07-2003 05:02:41

I would J. B. Weld it

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Don LC

02-17-2003 04:25:59

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Re: Repairing Pin Holes in Carburator Float in reply to AWB, 02-07-2003 05:02:41

Drill a very small hole at the fracture 0n the float.....drain the gas out ....lay the float in the sun 2 - 3 hrs. Soder with sodering iron (no flame).....I have been doing this way for years in the shop....

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Pappy

02-07-2003 22:34:45

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Re: Repairing Pin Holes in Carburator Float in reply to AWB, 02-07-2003 05:02:41

I have repaired a couple using solder/flux/heat from pencil tip soldering iron. The easiest way to get the gas out is to drill a hole in the float. 1/16 Inch is enough. If the float only has a small crack, drill two holes in the float, 1/16 inch, and use air to evacuate the float.

Once it is clear, solder the crack (leak) normally after cleaning it thoroughly with steel wool. Apply flux and solder it. No problem. Now, solder the drilled hole or holes. If you have drilled two holes, clean as above and solder one hole. Now for the tricky part. When soldering the final hole, you must solder it carefully, then move the solder iron away from the hole while dragging it on the float. Just hold the solder iron long enough for the solder to cool in the last hole drilled. Now remove the iron. If you remove the solder iron immediately after the last hole is soldered, the cooling will probably suck the solder into the float before it has cooled.

It is not a big job. Clean it! Clean it! And make sure it is clean.

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Pappy

02-07-2003 22:34:31

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Re: Repairing Pin Holes in Carburator Float in reply to AWB, 02-07-2003 05:02:41

It is not a big job. Clean it! Clean it! And make sure it is clean.

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Jim

02-07-2003 18:24:38

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Re: Repairing Pin Holes in Carburator Float in reply to AWB, 02-07-2003 05:02:41

To get gasoline out of floats with pin holes, immerse the float in hot water. As the heat warms the inside of the float (and the gas), the gasoline will then evaporate out. Then check for any sloshing. Repeat if necessary.

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Peabody

02-07-2003 07:03:33

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Re: Repairing Pin Holes in Carburator Float in reply to AWB, 02-07-2003 05:02:41

I've read about this stuff, but never used it:

Link

Good luck!

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Red Dave

02-07-2003 06:57:50

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Re: Repairing Pin Holes in Carburator Float in reply to AWB, 02-07-2003 05:02:41

I've heard of guys coating them with the same stuff that is used to coat the insides of rusty gas tanks.
I haven't tried it myself though, so I don't know first hand how it works out.

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poorerbut

02-07-2003 06:51:59

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Re: Repairing Pin Holes in Carburator Float in reply to AWB, 02-07-2003 05:02:41

AWB- I've never tried anything other than 50/50
tin and flux. As far as the gas, I usually wash
the float in warm soapy water, then air dry it
with a hair drier; then clean with steel wool
and flux/solder. Usually have decent luck 1st
time around. (Usually submerge it back in water
overnight to make sure, too)
pb

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Chester

02-07-2003 12:37:22

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Re: Re: Repairing Pin Holes in Carburator Float in reply to poorerbut, 02-07-2003 06:51:59

You could try Seal-all, glue that comes in a yellow tube and sets up in contact with gas. Have used it to repair minor gas tank leaks.

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