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I'm new to Boxsters. When I got my PPI, the mechanic said he thought there was excess oil system pressure caused by an old pressure relief valve. I also have chain clatter on startup. So, it sounds like this is something I need to do.
Just to be sure I understand: The Boxster uses a filter element that inserts into a reusable cannister, and that cannister should be replaced from time-to-time.
Also: Does the engine oil have to be drained to changed the filter? If not, I'll do this myself. If so, I'll have my mechanic change the oil and take care of the cannister/filter at the same time.
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