It's not nice but 50% to 70% of the case i see are like that.

It doesn't seem to affect the cooling performance, even if it should.

I can tell you that i a rebuilt, put new pump in engine case more dammage
then yours... works fine

Ben

On Sun, 12 Aug 2007 19:31:17 -0700, Georgios A. Stylianides, PhD
<gstylia@YAHOO.COM> wrote:

>Hi All,
>
>I just finished with some maintenance with the cooling
>system. In the process, I replaced the water pump
>because a drop or so has been dripping from the peep
>hole for a year now. In the process, I found out a
>couple of things:
>
>1) The pump�s propeller somehow (seal went bad?) moved
>towards the crankcase and has done some damage to the
>crankcase body (see picture). It kind of shaved some
>of the crankcase�s metal. I guess it was rubbing on
>the crankcase, I don�t know for how long. Water pump
>was made in Germany.
>
>http://www.esu.edu/~gstylia/vw/WaterPumpDamage1.jpg
>
>2) The water pump itself was really held by only 2 out
>of the 3 nuts. The third one seemed to not have been
>tightened all the way when the pump was replaced.
>Still, there was no leak at that particular point, or
>probably some that I did not notice.
>
>The pump was replaced 8 years ago. We were going on
>vacation driving to Destin, Florida and about 1 mile
>from our hotel, the previous water pump went into
>pieces. What a time! Anyway, we found a place to have
>it fixed. The person who did the job was very nice and
>very helpful. It just turned out that in the midst of
>things, he did not tightened the third nut all the
>way. So, all these years, we may have been driving on
>2 nuts. Is that fun, or what? I am not sure for how
>long the rubbing took place.
>
>QUESTION: Should I be concerned about the damage on
>the crankcase body? Has anybody else had such a
>problem?
>
>During that process, I also noticed that one of  my
>water/coolant long pipes that go under the van needed
>some work. I will share soon.
>
>Thanks,
>
>geo
>Vanagon 86, 2.1
>
>
>
>
>
>
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