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Some time ago I started a posting about the weeping fuel pump on my 58 TR3A. The problem was multi-faceted, but I finally narrowed it down to a slow leak in the inlet pipe connection to the fuel pump. Particpants in this Forum had a number of suggestions. I ended up placing a very small fuel resistant o-ring around the pipe where the screw presses against the bulb at the head of the pipe. For a short while, this worked, but then it failed and the leak got worse.
Some suggested using teflin tape, but others warned that pieces of the tape can break off and clog the fuel line (a very difficult and expensive problem to fix).
After doing a little more research on this, I recently put a very little fuel resistant gasket sealant on the pipe where the closing screw slides forward, and I put sealant on the threads of the screw. I made a special effort to keep any of the sealant from getting on the bulb itself where it joins the fuel pump. And it worked... and it is holding. Problem solved (?)
A guy I know in Vermont who has been working on Triumphs for years informed me that a leaking inlet pipe connection is a common problem with replacement pumps: because the original inlet pipe doesn't make a good connection with replacement pumps (which I assume mine is). And, unfortunately, new replacement pipes are no longer avaiaible.
If your inlet or outet pipes are leaking, you might try the gasket sealant solution. But be sure to use very little so none of it gets into the fuel line, although I have been assured that if some escapes into the line that it is not as destructive as pieces of teflon in the line. I have to take this on faith!
Some suggested using teflin tape, but others warned that pieces of the tape can break off and clog the fuel line (a very difficult and expensive problem to fix).
After doing a little more research on this, I recently put a very little fuel resistant gasket sealant on the pipe where the closing screw slides forward, and I put sealant on the threads of the screw. I made a special effort to keep any of the sealant from getting on the bulb itself where it joins the fuel pump. And it worked... and it is holding. Problem solved (?)
A guy I know in Vermont who has been working on Triumphs for years informed me that a leaking inlet pipe connection is a common problem with replacement pumps: because the original inlet pipe doesn't make a good connection with replacement pumps (which I assume mine is). And, unfortunately, new replacement pipes are no longer avaiaible.
If your inlet or outet pipes are leaking, you might try the gasket sealant solution. But be sure to use very little so none of it gets into the fuel line, although I have been assured that if some escapes into the line that it is not as destructive as pieces of teflon in the line. I have to take this on faith!
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