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Ace 100 petcock leak
Posted: Thu Jul 24, 2014 5:55 am
by megawat
Took pet cocks apart, checked, cleaned and reinstalled with new gaskets, still leak, any suggestions appreciated.
Don
Re: Ace 100 petcock leak
Posted: Thu Jul 24, 2014 8:41 am
by RichardMott
Some have posted that using low abrasive valve lapping compound was a good way to get them to stop leaking. New ones from SH are not that expensive.
Re: Ace 100 petcock leak
Posted: Mon Jul 28, 2014 7:31 am
by Zyx
Are they leaking into the fuel line, or out the face of the valve, or between tank and petcock?
Re: Ace 100 petcock leak
Posted: Mon Jul 28, 2014 11:14 am
by MTRob
On one of my tanks I ordered new petcocks from Paul and cleaned the hole and installed them one was leaking so I tightened it tighter to no help still leaked. I finally put JB weld all around it and it hasn't leaked at all. Don't know how long it will last put so far so good.
MTRob
Re: Ace 100 petcock leak
Posted: Tue Jul 29, 2014 2:39 am
by Dale
To avoid seepage from the threads, apply a little soft set thread sealant made for fuels. I have a tube called Gasoila. It really works.
Dale
Re: Ace 100 petcock leak
Posted: Wed Jul 30, 2014 10:45 am
by MTRob
I did that to. Put a sealant on the treads, it still leaked. It was leaking from around the nut welded to the tank. Either get it re welded or use JB weld.
I have 3 more tanks I got cleaned up put don't know if they will leak until gas in the tank.
MTRob
Re: Ace 100 petcock leak
Posted: Wed Jul 30, 2014 2:38 pm
by RHall1972
I had the same issue with a tank a couple of years ago. Applied JB Weld around the circular perimeter and the repair is still holding fine.