Quote:
Originally Posted by shertex
You mean to confirm that there's oil entering into the vacuum system?
One thing that didn't make sense to me is that, since the pump produces vacuum and not pressure, how could oil get downstream from the pump?
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Yes and that's a good question. The oil may be coming from other parts of the engine so you have to strategically place the filter to look for the source of the oil.
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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked
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