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Old 08-04-2004, 12:41 PM
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MikeTangas MikeTangas is offline
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Join Date: Apr 2000
Location: So. Cal
Posts: 4,430
The vacuum pump is not a part of the oil pump, it is the pump that provides vacuum on a diesel engine. It is block mounted, just about over the oil pump I believe. If the vacuum pump grenades it can take out an engine. Are those pieces from your vacuum pump? I don't know, simply spectulating there.

Just recently there were pictures posted of the pan reminants after a vacuum pump was caught before it grenaded. The pump bearing went bad, started knocking and was replaced. In the pan were a handfull of ball bearings and a few shards. There is nothing in your picture to gauge size, but based on the number of ballbearings that ring looks like it should have, I'm guessing if could be the vacuum pump bearing.

Any one of those balls could have possibly wiped out the oil pump chain I suspect. If only the oil pump chain was wiped out, the timing chain would still rotate the cam shaft.

All speculation on my part...anyone else care to chime in?
Mike Tangas
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72

'02 CLK320 Cabriolet - wifey's mid-life crisis

2012 VW Jetta Sportwagon least its a diesel

Non illegitemae carborundum.
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