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06-17-2013, 01:15 AM | #1 |
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Gas Tank Shut-off Valve
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Last edited by 2rosella; 01-19-2017 at 05:32 PM. |
06-17-2013, 06:12 AM | #2 |
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Location: Eastern Tennessee
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Re: Gas Tank Shut-off Valve
It is likely that it will not be stuck as you say since that is a tapered (pipe) thread. Drain the fuel from the tank, remove the line to the sediment bulb, then "lefty-loosey" spinning will remove the valve. Generally what causes these valves to leak is due to rust sediment from the tank scoring the brass barrel valve & seat. Be sure and flush the tank and then install the stand-pipe screen as a prevention.
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06-17-2013, 06:49 AM | #3 |
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Re: Gas Tank Shut-off Valve
Mine came out just as the man above said - I did not re use it as it was leaking into the foot area, just take it easy and no naked flame !!
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06-17-2013, 08:30 AM | #4 |
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Re: Gas Tank Shut-off Valve
Mine leaked as well, but I was able to fix it. I just took it out and sanded it down with 800 grit papaer. Then I lapped it in with light polishing compound. Was stiff and still leaked inside. At a recomendation here, I took it back out and lapped it in with white tooth paste. Operates smoothly and doesn't leak a drop.
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Bill Worden 1929 Roadster 1929 Briggs Town Sedan 1930 Closed Cab pickup Smith Motor Compressor 1951 Ford F1 High Desert Model A's |
06-17-2013, 08:58 AM | #5 |
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Re: Gas Tank Shut-off Valve
I believe some jewelers would have a fine polishing compound called "Jeweler's rouge", that would do that job.
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06-17-2013, 09:50 AM | #6 |
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Re: Gas Tank Shut-off Valve
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Mike Stitt "A business that make nothing but money is a poor business." -Henry Ford |
06-17-2013, 10:05 AM | #7 |
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Re: Gas Tank Shut-off Valve
Hi 2,
Just in case you cannot "permantly" & "easily" stop your gas shut-off valve from leaking, not everybody is lucky enough to have an "old" shut-off valve that can be repaired. For example: 1. After trying everything from valve grinding compound, to toothpaste, to jeweler's cloth "several" times about 10 years ago, for "temporarily" fixing an old shut-off valve, in later calling for ordering "additional" new gas shut-off valve repair parts, Mr. Rainmaker Ron, a retired wonderful & knowlegeable Model A Parts vendor related to me that he had accumulated almost a hundred (100) old gas shut-off valves at Model A parts swap meets over the years. 2. Later in spending lots of time, he tried earnestly to restore all 100 -- then tested them under water with compressed air. Out of the 100 he had, after trying to repair same, only "three (3)" did not leak & 97% of them leaked. 3. He suggested buying a "new" gas shut-off valve -- I did -- and it still does not leak. 4. Just think: Spending under $40.00, only "one time", for a "new" gas shut-off valve is cheap "one time" insurance & beats eight (8) months of living in a pup tent while your new house is being built to replace the one that burned down because of a Model A gas tank leaking gasoline. 5. Just a sincere humble opinion in trying to offer advice, save you valuable time, and brighten your day -- "without" flames. Last edited by H. L. Chauvin; 06-17-2013 at 10:07 AM. Reason: typo |
06-17-2013, 11:35 AM | #8 |
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Join Date: Oct 2011
Location: Reynolds Sta. Ky.
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Re: Gas Tank Shut-off Valve
On my 28 the shut-off has been leaking thru for some time. I removed it last week, like you I afraid of damage I might cause, but it came loose with no problem. Took the valve apart, cleaned, and lapped the plug and seat using BON-AMA cleanser, chucked the plug into my 3/8" drill and with Bon-Ama and water it done a good job cleaning the plug and seat, use a little fel-pro on the packing, no leaks and valve works fine...
Jim Norris |
06-17-2013, 11:38 AM | #9 |
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Location: Reynolds Sta. Ky.
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Re: Gas Tank Shut-off Valve
I did use a little pipe dope on the threads of the valve...
Jim |
06-17-2013, 11:55 AM | #10 |
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Re: Gas Tank Shut-off Valve
Be sure you disconnect the battery before you mess with the gas line.
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06-17-2013, 03:42 PM | #11 |
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Re: Gas Tank Shut-off Valve
Mine did not leak at the handle but at the gas line. I'm very lazy. I put a touch of seal- all on both sides, the cup and on the valve, let t dry and put it back together. That was last year.
If I remember right Bill W said to use grease. I can see that..
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Mike Stitt "A business that make nothing but money is a poor business." -Henry Ford |
06-17-2013, 11:50 PM | #12 |
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Re: Gas Tank Shut-off Valve
As Mike said, if you use 2 wrenches 180* apart you will not be pulling sideways on the fitting, and your chance of NOT breaking it are greatly improved.
I polished my valve taper on my lathe, using fine crocus cloth, then lapped it with toothpaste. 2 valves and no leaks in 18 years on one and 10 years on the other. |
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