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Old 09-20-2010, 01:47 PM   #18
blue2000s
Porscheectomy
 
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
Quote:
Originally Posted by Fluellen
So, I (2001 S) have this same groan / creak coming from the front when I turn the steering wheel. It's not doing it all the time, so that's what makes it more challenging to diagnose.

However, yesterday I had a diagnostic breakthrough: the noise appeared when I came back from a drive. I jacked up the front of the car, and there was no noise when turning the steering wheel. Back on the ground, the noise was back.

To me, this indicates the noise has nothing to do with the steering rack, or low/high p/s fluid. It must be something in the front suspension that gets stressed when the wheels turn. I am thinking control arms, perhaps struts.

Anyone have an idea based on this information?
It is probably still the pump. The resistance from the tires on the road build pressure in the fluid, which is what stresses the pump, which is what makes it groan.
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