Quote:
Originally Posted by werminghausen
Weird thing is that I have not lost a drop of coolant today and I was driving like 80 miles. I am confused.
Does the seal be able to repair itself ...if there was a small damage by a metal part which got stuck there for instance?
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Martin,
It is most likely a mechanical seal. In other words, it has an integral spring that pushes the seal against a face. This pic shows a typical seal (but on MB, the bearing is integral unlike the one in pic)
It is possible that dirt would affect such a seal. It is also possible that if the bearings have slight wear, that the seal self aligns as it gets up to speed. On my car, it seems to leak when started up cold, but not much while driving. then it leaks again when parked. But I no doubt have a much smaller leak.
Cardon charge less than $40 to rebuild the pump, so I suspect that there is a standard commercial seal available. To find one, I think you would need to take a sample to a company selling mechanical pump seals.
__________________
Graham
85 300D
,72 350SL, 98 E320, Outback 2.5