Quote:
Originally Posted by professorman
That’s crazy to have such a fickle part on the car.
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The part isn't as "fickle" as you might imagine; by far, its biggest problem is over filling the oil system in these engines. Several years ago, Porsche NA issued a tech bulletin recommending lowering the oil levels two to three bars below the full mark on the dash display, and even released recalibrated dip sticks for cars still equipped with one.
Those of us out in the field that see these cars everyday had begun lowering the oil levels slightly because we found it addressed two common problems:
- The occasional "smokey startup" was dramatically reduced and even eliminated.
- The life span of the AOS increased significantly.
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