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#1
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E70 power steering leak - seals replaced still leaks
The power steering is leaking at the point where the metal lines return to the upper part of the rack and are held in place with a triangle shaped metal plate and torx screw. I attached a picture from on-line as it is better than the angle I can get on the car. This first happened about 2 months ago. I released the metal plate and replaced the O-Rings at the end. 2 weeks later it leaked again on the upper line, this time I added a second o-ring (which I would normally not do). 2 weeks later it leaked again and I replaced the lines with aftermarket lines which had new o-rings on them. 3 days later it leaked again, this time on the lower line - checked the o-rings which have no sign of damage or swelling and this time I tightened down the plate holding the lines in till it sat flush. that was good for about 2 days and here we are. I'm at a loss for what is causing this. Using an inspection mirror I see no damage to where the o-ring seats. Looking on realoem I don't see any sort of pressure accumulator or other componentry. best guess is that the pressure is building up and causing the leak as it is exceeding what the seals can hold. thoughts on what could be causing this? |
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#2
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I bet you are onto something with excess pressure. Internal filter plugged?
__________________
2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#3
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Quote:
hmmm...that would make sense. I wasn't aware of any filters in this system, thoughts on where that might be? |
#4
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Nope just have read about it. I've read that people will back flush through the filter and use turkey baster to remove the fluid. It might be a blessing that the seal is acting as a relief valve and not exploding something
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#5
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Quote:
https://www.ecstuning.com/b-genuine-...r/32416782538/ |
#6
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That's the filter. Look for a check valve. Not sure it's has one but malfunction check valve I could see being a problem.
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__________________
2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#7
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I spoke with the local Indy on this - sounds like they have been through this. summary of the conversation:
for us - we are going to RTV the seals and see if that does it, if not I'll swap the rack. |
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