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Rob H
 
Join Date: Aug 2011
Location: Adelaide, Australia
Posts: 34
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Noise from Power Steering

My 2004 Cayenne S has starting making noises like a goat when turning the steering wheel. It sounds funny at the moment but I am worried it's going to progress to sounds like a cash register makes.
All it takes is a slight touch on the steering wheel and it starts it's bleeting groan.
Anyone have any ideas?
Old 06-20-2017, 02:27 AM
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Dmitry at Pelican Parts's Avatar
 
Join Date: Aug 2016
Location: Los Angeles, CA
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Hi Rob - other than the noise, have you noticed a change in the overall performance? Does it seem like the wheel is harder to turn? Are the power steering fluid levels proper?
Old 06-20-2017, 01:31 PM
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I would check the fluid level, but no other ideas
Old 06-20-2017, 07:48 PM
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I just cured this problem. The noise I had was most noticeable during initial cold start. The problem turned out to be a combination of me adding the wrong fluid and a clogged filter in the reservoir. The filter is attached to the reservoir so the reservoir needs to be replaced. When the filter is clogged the pump starves for fluid when it needs to draw from the reservoir.

Also the fluid is very particular. Ordinary power steering fluid will not work correctly and could damage the seals. The correct fluid is Pentosin CHF 202.
Old 07-17-2017, 10:00 AM
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I had the same problem and mine was low fluid, I did a flush and it works + sounds perfect now.
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Old 07-18-2017, 03:11 AM
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wanna buy Porsche .. that is my favorite car .
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Old 07-24-2017, 02:51 AM
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Check also the heat shield if it is rubbing against the steering shaft.
Old 10-03-2017, 02:01 AM
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