Power steering moan
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Junior Member
Joined: Jan 2019
Posts: 47
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From: Bavaria
C63 AMG
Power steering moan
I recently purchased a 2014 c63 amg. The car has been awesome minus the power steering noise which has a deep moaning noise that eventually stops. The noise does not influence steering feel whatsoever. The noise starts about 1 minute after a cold start with no steering input, just sitting stationary. I have changed the power steering fluid twice and it has not helped. I have been reading about the problem and I may swap out the reservoir next, any help is appreciated!
Last edited by apoptosis; May 16, 2020 at 11:35 AM.
Thread Starter
Junior Member
Joined: Jan 2019
Posts: 47
Likes: 3
From: Bavaria
C63 AMG
My fluid level remains the same so I pray there isn't a leak. I think I fixed it! The first two times I changed the fluid I just extracted and filled. But last night I lifted the front wheels off the ground after I changed the fluid and turned it lock to lock about 15 times. No more noise!
Last edited by apoptosis; May 16, 2020 at 11:35 AM.
Thread Starter
Junior Member
Joined: Jan 2019
Posts: 47
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From: Bavaria
C63 AMG
The noise was back this morning! I'm going to replace the reservoir next and if that doesn't help I'll bite the bullet and replace the pump.
Last edited by apoptosis; May 16, 2020 at 11:36 AM.
Thread Starter
Junior Member
Joined: Jan 2019
Posts: 47
Likes: 3
From: Bavaria
C63 AMG
Yes I checked multiple times during the process. To be honest the noise is hit or miss and i'm sure the pump is damaged to some degree. The steering feel is great though so i'm going to do the reservoir first to see if it changes anything. This seems like a common problem with this platform, it's a shame considering I bought the car in the middle of December. I guess nothing is perfect though!
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Thread Starter
Junior Member
Joined: Jan 2019
Posts: 47
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From: Bavaria
C63 AMG
So it's been a few weeks since I battled the power steering noise. My steering feel is great, but the noise is still there when cold. I would say after changing the fluid with redline the noise has been reduced about 50%. My next step is to replace the reservoir since I have read the screen can become clogged. Honestly the noise isn't a huge deal for me since it operates fine. Hope this helps anyone with the same problem!
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Junior Member
Joined: Mar 2017
Posts: 50
Likes: 9
From: Toronto, Canada
10' C63
So it's been a few weeks since I battled the power steering noise. My steering feel is great, but the noise is still there when cold. I would say after changing the fluid with redline the noise has been reduced about 50%. My next step is to replace the reservoir since I have read the screen can become clogged. Honestly the noise isn't a huge deal for me since it operates fine. Hope this helps anyone with the same problem!
Regards,
Thread Starter
Junior Member
Joined: Jan 2019
Posts: 47
Likes: 3
From: Bavaria
C63 AMG
So I finally fixed this issue and thought I'd revive a dinosaur. Like everyone has said before, replacing the reservoir did the trick for me. Pulling from the reservoir with a turkey baster of the sorts will only remove like 250ml. I followed the steps outlined in the video and filled with Liqui Moly power steering fluid #20038.
Works like a charm and flushes the entire rack and system. Happy Friday
Works like a charm and flushes the entire rack and system. Happy Friday
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Joined: Jun 2010
Posts: 781
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2000 Acura NSX, 2012 C63 P31 (gone and not forgotten), 2015 C63 507
So I finally fixed this issue and thought I'd revive a dinosaur. Like everyone has said before, replacing the reservoir did the trick for me. Pulling from the reservoir with a turkey baster of the sorts will only remove like 250ml. I followed the steps outlined in the video and filled with Liqui Moly power steering fluid #20038.
Works like a charm and flushes the entire rack and system. Happy Friday
Works like a charm and flushes the entire rack and system. Happy Friday
You changed the reservoir.
And used a turkey baster to drain it before.... Or after replacement to get all of the extra old fluid out?
Thread Starter
Junior Member
Joined: Jan 2019
Posts: 47
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From: Bavaria
C63 AMG
