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tank sender seal question

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Old Sep 17, 2014 | 07:46 PM
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Default tank sender seal question

installing tank sender in 70 tank, what can i use on the rubber seal that will seal any inperfections between seal, sender and tank....thanks
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Old Sep 17, 2014 | 08:20 PM
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Originally Posted by LT1driver
installing tank sender in 70 tank, what can i use on the rubber seal that will seal any inperfections between seal, sender and tank....thanks
Unless there are imperfections, bent parts, scratches, etc. you should not need any other sealant than the rubber seal.
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Old Sep 17, 2014 | 08:24 PM
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has some scratches so want to be sure no leaks.
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Old Sep 17, 2014 | 09:05 PM
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Originally Posted by LT1driver
has some scratches so want to be sure no leaks.
Try blending the scratches with medium then fine sandpaper first. Give the rubber seal a smooth surface even if not perfectly flat. Not sure what sealant would be gas proof though I'm sure you can find one at the parts store
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Old Sep 17, 2014 | 10:20 PM
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The locking ring normally requires effort to compress a new oring.....I had to make a spacer ring out of 1/32" thick Teflon/nylon sheet material because of previous scratches/slight tank warpage.....get a lock ring tool to make the job much easier less chance of cocking or damaging lock ring.

Install......

O ring.....then tank sending assembly......then Teflon spacer ring......then Lock Ring. Then it took effort to rotate the lock ring until it reached it's turning limit......no more drips of gasoline after doing that.
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Old Sep 18, 2014 | 09:58 AM
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Originally Posted by flyeri
Not sure what sealant would be gas proof though I'm sure you can find one at the parts store
I used Permatex 3H Aviation Form-A-Gasket sealant part number 80019.
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Old Sep 18, 2014 | 07:55 PM
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street rat, I have some of that but couldn't read the label, thanks will use if for extra protection just in case....thanks all...
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