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Since the issue of water pumps is in the air, I thought I would favour the forum with a screed that's been festering in my mind for a while.
Towser used to have an A4 that had been retrofitted with a fresh-water cooling system that included a belt-driven pump for the sea water on the forward end of the block. This pump ate impellers and it was a real hassle to replace them. Accordingly, when I heard about the <a href="http://www.speedseal.com/speedseal.html" target="blank">Speed Seal</a>, I bought one for this pump (I think it was about $70). If you're not familiar with Speed Seals, they are a heavy brass plate with a groove for an o-ring machined in the face. Because the plate is so rigid, they can be held securely with just 4 knurled nuts that you can run up with your finger-tips. Now, instead of a major hassle, it was something I could do without looking at the pump.
So I bought one for the pump on the body of the A4 that pumps the internal coolant. Unfortunately, this one leaked enough to visibly lower the coolant level over 20 minutes running. I tried everything suggested by Speed Seal's owner to remedy the problem. He sent me a second plate to try. Same problem. Same diagnostics, no luck.
Then the A4 died.
Well the new engine has a pump too, so I thought a Speed Seal might be a good idea here. I called the Speed Seal guy and asked him, since the A4 plate never worked despite our best efforts, would he consider replacing it with one for my diesel?
The answer: No. Since I had installed it, he wouldn't be able to sell it to someone else. But it was only by installing it that I was able to find out that it didn't work. Didn't matter - how could he run a company that kept delivering bits of "kit" to people over and over again without getting paid? Forget it. End of discussion.
So if the discussion of impellers now ongoing moves you to consider a fast-change solution, consider this: Speed Seal scored one out of three overall, zero out of two for the A4. And Don Moyer of <a href="http://www.moyermarine.com" target="blank">Moyer Marine</a>, who has always been a friend to A4 owners (when I had a little issue with his A4 alarm kit, he worked on the issue and he solved it), has a similar product. His almost certainly works.
David Weatherston
Towser, Toronto
C&C 27 Mk IV
David Weatherston
Towser, Toronto
C&C 27 Mk IV
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