Depowered Rack Seal Question
Hey everyone,
I'm in the middle of depowering my steering rack the "proper" way. I have the newer style JKC rack (the one with the pinion in the two piece housing) and I'm confused on whether or not I have to remove this seal: from the dave coleman miatabusa link, he removes this seal http://photos.motoiq.com/MotoIQ/Proj...68_HyHRx-M.jpg from the flyin miata link, they keep the seal http://www.flyinmiata.com/tech/depower/IMG_0128.jpg so, which seat should I take? I mean which route should I go with? Also what's the consensus, leave some PS fluid in or keep that bitch greased and dry |
My racks are the earlier version, but I've come to the conclusion that the various seals create insignificant friction, but do an excellent job of keeping crap out of, and lubricant in, the rack.
I used to eliminate various seals and then had to use grease where the much thinner hydraulic fluid used to reside. Now, by keeping the seals, I've found I can use hydraulic fluid where hydraulic fluid is supposed to be, and grease where it's supposed to be, and the overall friction is much less. The greatest contributor to friction, by far, is the adjustment of the rack pre-load. Get this correct and you're rack will be as good as it gets. |
so even leave the seal on the rack itself?
Although I have to say, I'm having a bitch of a time trying to get the rack out of its housing. Might be easiest to just loop the line lol |
Don't loop the line. You will regret it. I left that large seal in. Just slathered it in grease and put it back in. No idea which was is better, but I was also too lazy to weld the shaft while I had it apart, so whatever.
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Originally Posted by baron340
(Post 712757)
Don't loop the line. You will regret it. I left that large seal in. Just slathered it in grease and put it back in. No idea which was is better, but I was also too lazy to weld the shaft while I had it apart, so whatever.
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Originally Posted by redfred18t
(Post 712733)
so even leave the seal on the rack itself?
You can loop the lines, but then you're pumping the air within the rack cylinder from one side of the rack to the other through tiny orifices. It's probably not a major problem, and lots of folks do it, but I doubt it's the optimum solution. The end result of a properly de-powered rack is worth the extra time and effort. Half way solutions will give half way results. It's really not that hard to do it right, so why compromise? |
Oh, I thought you said just leave all the seals in your first post
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Originally Posted by redfred18t
(Post 713180)
Oh, I thought you said just leave all the seals in your first post
So, to recap, take out the ring seal on the rack piston. Leave everything else. Use a bit of hydraulic fluid where the hydraulic fluid used to be; use grease where the parts were greased. |
That black barrel is not a seal, its the PS bleed valve gate. Remove it, throw it away, weld the coupler.
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Hustler, did you finish your rack, and have you tried it out?
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Originally Posted by Thucydides
(Post 712699)
My racks are the earlier version, but I've come to the conclusion that the various seals create insignificant friction, but do an excellent job of keeping crap out of, and lubricant in, the rack.
I used to eliminate various seals and then had to use grease where the much thinner hydraulic fluid used to reside. Now, by keeping the seals, I've found I can use hydraulic fluid where hydraulic fluid is supposed to be, and grease where it's supposed to be, and the overall friction is much less. The greatest contributor to friction, by far, is the adjustment of the rack pre-load. Get this correct and you're rack will be as good as it gets. |
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