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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Help!! Active Steering Noise



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      12-01-2012, 05:26 AM   #1
aantar
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Exclamation Help!! Active Steering Noise

ok, so as the topic says , a noise is coming out of my active steering pump

it has the same noise as what a low fluid pump does... something spinning at the same engine speed/RPM + engine sounds like a very awful 4 cyl while revving

but the confusing part is that my fluid level is topped to the marker, no active steering fault on instrument cluster (or any other faults) and the system works so fine while driving ... no noises while turning, except a normal noise when the car is stationary.. or i dunno if it should make this sound either !

so any idea about what might be the problem ?

note: from time to time the system requires some additional fluid (very small amount). although i can't find any visible leak.
i use CHF 11S
the car is E90 330i 2007, around 126k km (78k miles)
and engine belt was changed like 10 months ago.

Thank you
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      12-02-2012, 01:50 AM   #2
zshortyz
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is it like a high pitched squeel?
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      12-02-2012, 08:43 AM   #3
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I have same already more than one year and don't know what to do... Not sure if replacing steering pump would help. Though I am even not sure is it really pump or other pulley.
So if you find out what is wrong please share.
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      12-02-2012, 09:19 AM   #4
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Quote:
Originally Posted by zshortyz View Post
is it like a high pitched squeel?
yep it is

Quote:
Originally Posted by RimasRS View Post
I have same already more than one year and don't know what to do... Not sure if replacing steering pump would help. Though I am even not sure is it really pump or other pulley.
So if you find out what is wrong please share.
Sure I will
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