Update on my fuel leak fix. My fuel sender gasket started leaking after
15 years so I ordered new gaskets. I'm assuming that was the source of
the leak as all fittings looked dry. I removed the probe (7 feet long)
and installed the new gasket. In tightening down the five bolts one did
not tighten. D*#n !!!!, now what? See photo of mounting plate.
https://www.dropbox.com/s/7oomdcvvj7uo40r/image000000-1%20copy.jpg?dl=0
I removed the sender unit and sure enough, the threads came out as a
spiral tale on the end of one bolt. Thats just GREAT !!! The mounting
plate is only 1/8" thick. How do I get new threads on that. Enlarge to
1/4"? No, then I'd have to drill the holes through the sender to 1/4"
and I don't like that idea. Riv-nuts? I don't like the thick head on
the gasket side as it may not seal. A bit of research turned up "KLIK
POLY-NUTS. Much thinner head. Local auto parts store had them so I
picked up a pack of 50 for $14. I measured the head thickness and it
turns out they are .020 max with some a bit thinner. Gasket should
seal easily over that. I found a puller at MENARDS for $15 that has 5
different thread size pullers. I'll test one or two on a scrap piece
before I attack the wing. Here is a statement form the supplier site.
"Klik Poly-Nuts provide a nearly flush appearance and once in place, the
internal threads are ready for a screw or bolt." If this works out I'll
probably do all five holes. Here is one supplier with lots of good
info.
http://www.duncanbolt.com/suppliers/marson/additional-products/klik-poly-nuts
I got mine from NAPA auto store.
These look like a great answer to adding threads to sheet metal,
instrument panel, and the like. Much thinner head than RIV-NUTS. I
think they are available in aluminum or steel, not sure. I went with
steel as that was available without ordering.
I'll give an update when I see how they work.
In this case, my results may vary..........
Larry Flesner
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