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My water pump experiences... (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by Paul (at Maximill...) on December 12, 2000 at 17:54:54:

In Reply to: Because of the advice on this board... posted by Kenny on December 12, 2000 at 13:10:06:

I replaced a leaking water pump on an M60 540 Sunday (my first M60 experience) - the one I removed was indeed metal impeller type - but looked like some junk aftermarket piece, compared to the one I installed.

The old one had a stamped / welded thin metal impeller (like you'd get at Pep Boys for your Toyota) , and the new OEM one had a thicker cast metal impeller. I believe the one I removed might have been the original (at 94K miles???) - but I was surprised to see how cheap it looked inside - plus the bearings were toast! (It squealed like Mariah Carey!)

New water pump on - so far no leaks or problems - we'll see.

Perhaps the O rings on the horizontal pipes weren't seated properly when yours was installed. (They come pre-installed on the OE units at least and did require careful alignment upon reinstall of the pump).


Paul (learning all about others' E34s these days)
Maximillian Importing Co

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