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Old Mar 4, 2013 | 04:27 PM
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Bosnia1992
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2018 C63s Coupe 2016 C450 DAILY
Power steering
I've noticed when turning barely when driving it is a very loud noticeable whining noise, or even when I accelerate sometimes the car will whine . if I turn toouch it sound like a popping whining noise. I checked the fluid and its fine. Any idea ?


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Old Mar 4, 2013 | 11:34 PM
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Bosnia1992
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No one has any idea ?


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Old Mar 5, 2013 | 03:57 AM
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Jack up the front end & try to replicate the noise turning the wheel with the engine running , bonnet open & your head inside.
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Old Mar 5, 2013 | 07:42 PM
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I did replicate it. same thing even on Jacks . anyone have any idea ? pump might be going out ? transfer case ? torque converter whining ?


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Old Mar 5, 2013 | 08:48 PM
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I think I remember Glyn mentioning something about this (don't quote me on this). The power steering is really sensitive to even a slight decrease in fluid. Try topping off and turn your wheels left and right 5-10 times to remove any trapped air.
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Old Mar 5, 2013 | 09:11 PM
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Thanks domm,

I've done that and no luck, pump is probably going out or the bushings or whatever they're called. Anyone expierence a whine when accelerating? I know its not normal to be very loud.


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Old Mar 5, 2013 | 10:15 PM
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Could not be the belts??
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Old Mar 5, 2013 | 10:29 PM
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I've had all my belts and pulleys replaced due to a squeak. its a whine now.


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I have a Toyota 4Runner that had this constant whine and it was the alternator. I believe something to do with bearings.
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Old Mar 6, 2013 | 01:09 AM
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Time to pull out the old stethoscope. Just be sure you do not catch it in the belt & pullieys.
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