Can someone shed some light on replacing the water pump seals.
Oberdorfer Seals
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I would order the rebuild kit from MMI. It comes with directions and, if I remember correctly, took me about 1.5 hours to complete the job. I was urged to get the kit, which is a little more expensive than just the seals. In my case it was wise advice, as my original spindle was worn and would have worn out the new seals prematurely. Good luck! Not that you'll need it. The procedure is pretty straight-forward...
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Here is my question
My seals do not say oberdorfer, they are not brass, they do not have springs in them, but I did just get them from MMI.
What I do have is a smooth side and an open side, I assume the open sides to both seals face inward but I am not sure. Appreciate the help
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As best I recall the seals are installed so the numbers or writing on the seals each face each other. The first seal is pressed in so you can read the numbers.The last seal is pressed in so you can't read the numbers. This way the numbered sides end up facing each other. If no one comes along and confirms this call MMI and ask Ken about the proper orientation before proceeding. Or search in the forum for proper seal orientation.
If you put the seals in the freezer and carry them to the work area between a couple of cakes of blue ice it will make them easier to start squarely.
TRUE GRIT
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In general, seals are installed so the lip faces the medium (oil or water) they are sealing. That would put the lettering facing each other in the middle of the pump just as John says.
I used my wood vise and a socket to press the seals in. It was an nice controlled and gentle installation.Mike
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One More Thing I Didn't Mention
Originally posted by Golfdad75 View PostMy seals do not say oberdorfer, they are not brass, they do not have springs in them, but I did just get them from MMI.
TRUE GRIT
If the shaft is scored you will have to replace it also
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GD, One other piece of advise (from experience..)...don't (gently) pound the seals in so far that you cover the weep hole in the middle...it is there to allow leaking oil out, or leaking seawater out, before they get thru the other seal.-Shawn
"Holiday" - '89 Alura 35 #109
"Twice Around" - '77 C-30, #511 with original A-4 & MMI manifold - SOLD! (no longer a two boat owner!!)
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