ML55 AMG, ML63 AMG (W163, W164) 1999 - 2011 Two Generations

2009 ml63 power steering pump

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Old 05-26-2016, 02:26 PM
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ML63 AMG 13 SLK 55 SLK350 AMG kit 07
2009 ml63 power steering pump

As above any tips on changing the pump, its one job I have to do on mine as it wines.
Old 05-27-2016, 09:31 AM
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Yes detach AC compressor, remove left front fender liner, detach high pressure lines from oil pan---if this is done in the front yard you are crazy!!

Then there are loads of bleeding and filling instructions for install!!
Old 05-27-2016, 12:26 PM
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2008 ml63
try changing the fluid.... get steering oil from merecedes, get a fluid pump and remove old fluid, and add new fluid. repeat process in a week, again.

mine used to whine heavy. i just changed the fluid and no more whine.
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Old 05-27-2016, 02:13 PM
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ML63 AMG 13 SLK 55 SLK350 AMG kit 07
Originally Posted by Plutoe
Yes detach AC compressor, remove left front fender liner, detach high pressure lines from oil pan---if this is done in the front yard you are crazy!!

Then there are loads of bleeding and filling instructions for install!!
Its not a problem, I have my own workshop and mercedes Star and wis etc.
Working on mercedes for the last 15 years.
Old 06-10-2016, 06:52 PM
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ML63 AMG 13 SLK 55 SLK350 AMG kit 07
Done the pump but it still makes a noise! I will try bleeding tomorrow but does seem odd as I did what was advised in wis 30 time back and forth without the engine running to get the oil round.
Any tips?
Old 06-11-2016, 01:27 PM
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ML63 AMG 13 SLK 55 SLK350 AMG kit 07
Its very quiet over here!
Its done anyway with pumping fluid round a few times sucking it out until its just clean and green.
Old 07-19-2016, 10:55 AM
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2008 ml63
great that it worked out zenman63, sorry i was away and didnt read your post!
Old 07-19-2016, 10:58 AM
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ML63 AMG 13 SLK 55 SLK350 AMG kit 07
It does still make some noise, I have sucked out the fluid again a couple of times and it improves but its should be silent ?
Old 07-19-2016, 12:15 PM
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2008 ml63
it should be silent are you using MBenz Steering fluid??? the the filter might not be regurgitating properly, might need to replace the reservoir.
Old 07-19-2016, 01:45 PM
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ML63 AMG 13 SLK 55 SLK350 AMG kit 07
Yes Green genuine MB fluid, is there a filter in an 09 reservoir? its cheap at £30 so will change it.
Old 08-01-2016, 10:45 AM
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ML63 AMG 13 SLK 55 SLK350 AMG kit 07
New Reservoir fitted and 100% fixed it, its now silent .

I cut the old one up to see the screen and sure enough it was thick in black paste so causing restriction in flow and then cavitation.


2009 ml63 power steering pump-img_4828_zpstu6ghbsx.jpg
2009 ml63 power steering pump-img_4830_zpstvqtqdry.jpg

Last edited by zenman63; 08-01-2016 at 10:48 AM.
Old 08-03-2016, 10:53 PM
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2008 ml63
thats great that its fixed!!!

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