How to: power steering to manual
UPDATE: 7/24/03 Jerome from Realtime racing that helped me with this mod via phone passed away recently, please pray for his family and remember the contributions he gave to the Acura/Honda world, this being only one of them.
This was brought up by another post I had regarding how to convert you power steering rack to work as a manual. This is the similar to Realtime racings set-up. I reposted so it will be easier to find during a "search" in the future: Its is very easy to do, difficult to find the fittings. Sorry only some pics so I'll describe as best as possible. Once high pressure lines are removed from the rack you will have a "barb" fitting and a threaded female fitting that are straight down from the master cylinder where the steering shaft goes into the rack. You will need to find a barb fitting that threads into the female opening. Anyplace that sells Areoquip......Speed shops... I got mine from Detroit Flexible Metal http://www.hosenow.com The part number for the threaded fitting and the barb adapter are 15.117-6-6 ($14.00) and FBM 1222 ($2.50) When you have two barb fittings you will need a hose to connect them or double back into itself. Acura part # 53735 sr3 960 Listed as a "power cooler" works perfectly for this application. Should retail for $14.62. It is only a short rubber hose that doubles back 180 degrees but you will not be able to get a normal heater hose or fuel/air hose to do so without kinking. STEP 1 Connect the two open ends from where the high pressure lines were removed http://www.imagestation.com/picture/...d/fdc81f88.jpg (picture courtesy of TodaSI, Actually I didn't ask<IMG NAME="icon" SRC="http://images.zeroforum.com/smile/emsmile.gif" BORDER="0"> The picture is not the same hose you would get from Acura I described above) When that is complete the car is actually drivable but still requires some effort to turn the wheel. The next step is to "tap" into one of the lines that feeds the rack. If you look straight down from your throttle body area to the rack you will see 2 metal lines (look like brake lines) that feed the rack itself. The one in the middle of the rack that threads straight down into it is the one you need to "T" into. It is the line on the right of the rear engine mount in this picture. http://www.imagestation.com/picture/...0/fdbe1c0d.jpg This is where you need to be creative. I spent $50 in fittings doing this. The next time I will just cut the line and braze (sp?) a "T" fitting into it. STEP 2 All you need to do at this point is "T" into the thin metal feed line on the rack itself, be creative The next is easy, run a hose from where you just installed your "T" into the line up to some sort of breather. I copied Realtime and used a Tilton brake resivour that can be seen in this picture infront of the strut brace: http://www.teamtoilet.com/matt/2002/motor3.jpg The purpose of this is to allow the rack to "breath" when you are forcing the air and fluid though it. I got mine from Pegasus. http://www.pegasusautoracing.com All of the parts that you need I put together here. PEGASUS AUTO RACING SUPPLIES - (800) 688-6946 Shopping Cart Contents Part No Description Price Pkg Qty. Delete 3564 MASTER CYLINDER CAP REPLACEMENT THREADED UNIVERSAL 5.00 Each 3558-SMALL MASTER CYLINDER RESERVOIR REPLACMENT SMALL UNIVERSAL 8.00 Each 3557 MASTER CYLINDER MOUNTING BRACKET REMOTE RESERVOIR REPLACEMENT 9.00 Each 3563 MASTER CYLINDER INLET FITTING REPLACMENT REMOTE MOUNTS ON MASTER CYL 5.19 Each 3577 RESERVOIR CLAMP REPLACEMENT OR REMOTE INLET 2.00 Each Number of Items: 5 Total Cost: $29.19 When I first install my breather I had the front wheels off of the ground and turned the steering wheel back and forth. P/S fluid shot about 3 feet in the air through the breather hole on the cap because of all the pressure. I then took the line from the bottom of my Tilton Breather and ran it into a drain pan and turned the wheel back and forth until it stopped blowing fluid out. At this point the steering becomes very easy and you will hear the fluid in the rack "slopping" back and forth. You will not have any fluid in the Resivour it is only used as a Breather and possible overflow. The last thing I did was install a Sparco 350mm steering wheel. it made the car that much easier to drive. Well If you made it this far, I hope I was descriptive enough, good luck. Mattj Thank Rboosted717 and TodaSI for the pictures. [Modified by Dropspeed, 12:43 AM 5/13/2002] Modified by Dropspeed at 9:48 PM 7/26/2003 |
Re: How to: power steering to manual (Dropspeed)
Matt,
Wouldn't just this work? http://www.imagestation.com/picture/...d/fdc81f88.jpg I just looped the input/output lines. I don't understand why you would need the "breather" part. So is your rack very low on fluid then? [Modified by TodaSi, 9:06 PM 5/12/2002] |
Re: How to: power steering to manual (TodaSi)
Matt, Wouldn't just this work? http://www.imagestation.com/picture/...d/fdc81f88.jpg I just looped the input/output lines. I don't understand why you would need the "breather" part. So is your rack very low on fluid then? [Modified by TodaSi, 9:06 PM 5/12/2002] Yes that will work fine. However it will require less effort if you add a breather. I had mine set-up like that to try it. But because it is a sealed system you are fighting the fluid and air pressure. The rack is low on fluid but it is only in there as a lubricant. Mattj [Modified by Dropspeed, 10:45 PM 5/12/2002] |
Re: How to: power steering to manual (Dropspeed)
Why not just be really lazy and loop the lines that come off the pump? That way the tank stays there to keep thh rack lubed properly and it only takes like 5 minutes to do http://images.zeroforum.com/smile/emthup.gif
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Re: How to: power steering to manual (Dropspeed)
this will help alot, over removing power steering pump....?
like comparing turning effort |
Re: How to: power steering to manual (nfn15037)
Why not just be really lazy and loop the lines that come off the pump? That way the tank stays there to keep thh rack lubed properly and it only takes like 5 minutes to do http://images.zeroforum.com/smile/emthup.gif Mattj |
Re: How to: power steering to manual (Jordo)
could you try tof ind a pic of the "Barb" fitting, im gonna try this, it shoudl shed weight and help me http://images.zeroforum.com/smile/emsmile.gif
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Re: How to: power steering to manual (Dropspeed)
oh nice. Thats almost exactly what I've been working on for a long time now as an idea for the system. http://images.zeroforum.com/smile/emthup.gif
Now this is one of the best H-T ideas/threads I've come across now! http://images.zeroforum.com/smile/emsmile.gif |
Re: How to: power steering to manual (Rboosted717)
I did what TodaSi did and just looped it with the rack still FULL of fluid. I haven't had any problems in the 3 years I've had it like that.
-Alan |
Re: How to: power steering to manual (ARunto)
yeah he's not saying that doing that is bad. In fact he does the same thing to his setup, yet he also adds on a breather to make the steering feel a lot looser and easier to turn rather then just looping the two holes.
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Re: How to: power steering to manual (Rboosted717)
yeah he's not saying that doing that is bad. In fact he does the same thing to his setup, yet he also adds on a breather to make the steering feel a lot looser and easier to turn rather then just looping the two holes. ps I updated with pictures and additional part info. Feel free to use this info/how-to on web-sites and what not, just give me credit http://images.zeroforum.com/smile/emsmilep.gif DISCLAIMER, Do this at you own risk, if your not comfortable, don't do it. Mattj [Modified by Dropspeed, 12:56 AM 5/13/2002] [Modified by Dropspeed, 1:02 AM 5/13/2002] |
Re: How to: power steering to manual (Dropspeed)
Some more pics to help illustrate. The brass fitting I picked up at NAPA, $ .50 or so. I do not know the part # or the size
http://www.imagestation.com/picture/...f/fdbe0bf0.jpg http://www.imagestation.com/picture/...1/fdbe0bf6.jpg Here is my Si giving birth. http://www.imagestation.com/picture/...1/fdbe0b50.jpg [Modified by TodaSi, 1:45 AM 5/13/2002] Modified by TodaSi at 9:57 PM 8/9/2004 |
Re: How to: power steering to manual (Dropspeed)
Why T into the thin metal line? Can't you just T into the rubber hose that you just looped in and run the breather from there? It just seem easier to T into a rubber hose rather than into a metal pipe.
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Re: How to: power steering to manual ([VTEC]TL)
I'm sure you could, I just copied the Realtime cars. They have been running like this for 5+ years (and winning) My "guess" is that you want the rack to breath and that is a direct port.
Mattj |
Re: How to: power steering to manual (Dropspeed)
arigato matt-san http://images.zeroforum.com/smile/emthup.gif
yhttp://images.zeroforum.com/smile/emsmileo.gifshi - who b00kmarx dis thred fo lata use |
Re: How to: power steering to manual (Dropspeed)
What is the difference is steering effort between:
A. Removing PS belt B. Removing PS belt, pump and looping hose C. Setup outlined here with reservoir I have A and was thinking of doing B. Is the difference between B and C significant? Also, how much do the PS pump and lines weigh? Is the PS pump the majority of this weight? [Modified by norice, 11:15 AM 5/13/2002] |
Re: How to: power steering to manual (norice)
What is the difference is steering effort between: A. Removing PS belt B. Removing PS belt, pump and looping hose C. Setup outlined here with reservoir I have A and was thinking of doing B. Is the difference between B and C significant? Also, how much do the PS pump and lines weigh? Is the PS pump the majority of this weight? |
Re: How to: power steering to manual (Dropspeed)
When I first install my breather I had the front wheels off of the ground and turned the steering wheel back and forth. P/S fluid shot about 3 feet in the air through the breather hole on the cap because of all the pressure. I then took the line from the bottom of my Tilton Breather and ran it into a drain pan and turned the wheel back and forth until it stopped blowing fluid out. At this point the steering becomes very easy and you will hear the fluid in the rack "slopping" back and forth. You will not have any fluid in the Resivour it is only used as a Breather and possible overflow. Thanks in advance for the response, and good write up. http://images.zeroforum.com/smile/emthup.gif |
Re: How to: power steering to manual (Dropspeed)
Why not just be really lazy and loop the lines that come off the pump? That way the tank stays there to keep thh rack lubed properly and it only takes like 5 minutes to do http://images.zeroforum.com/smile/emthup.gif Them why bother doing it at all? Most people are concerned not only with the parasitic draw from the pump but also the weight of the pump, lines, brackets, resivour..........The differance between "just removing the belt and doubling back the lines" and actually draining some fluid and adding a breather is huge. Besides in a parking lot situation the car feels like the p/s is still there and can be driven comfortably with one hand while making turns or in corners. Mattj [Modified by nfn15037, 12:55 PM 5/13/2002] |
Re: How to: power steering to manual (nfn15037)
It is still not clear to me how removing the pump and connecting its input and output hoses together is in practice any different from the elaborate setup outlined here (apart from the weight of the hoses). Does the stock reservoir not also act as a breather?
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Re: How to: power steering to manual (norice)
There is no right or wrong way to do this just different ways.
"As for the "drain pan" can you describe this in a little more detail?" I was just saying Drain it into a pan, bottle, or the floor. All your doing is letting the fluid run out of the system. It is still not clear to me how removing the pump and connecting its input and output hoses together is in practice any different from the elaborate setup outlined here (apart from the weight of the hoses). Does the stock reservoir not also act as a breather? Yes digging around behind the rack is a pain in the butt, Going from you step b-c is a noticable difference, And yes my face went http://images.zeroforum.com/smile/emsmileo.gif http://images.zeroforum.com/smile/emcrook.gif http://images.zeroforum.com/smile/emsmileo.gif http://images.zeroforum.com/smile/emsad.gif when the fluid shot up. Mattj [Modified by Dropspeed, 4:54 PM 5/13/2002] |
Re: How to: power steering to manual (norice)
Also, how much do the PS pump and lines weigh? Is the PS pump the majority of this weight? |
Re: How to: power steering to manual (Spec.R 00-0123)
Good write-up.
Question: Will the rack half full of p.s. fluid retain its lubricating properties as if the pump remained intact? I'm concerned about the long-term reliability with this set up. I've also been looking for an alternative to the cx/dx rack. I used to have an 89 crx si and miss the "feel" of a manual rack. http://images.zeroforum.com/smile/emthup.gif j |
Re: How to: power steering to manual (Velocity)
That's a nice setup! I'm thinking about trying that out, but I'm still confused about the purpose for the breather.
I don't think the rack & pinion gear actually get lubricated from the PS fluid. If in fact the rack & pinion don't get lubrication from the PS fluid, what is the PS fluid lubricating? I know Realtime must have done that for a reason. Please correct me if I'm interpreting this wrong. I've never taken this assembly out so I'm just going by the info from the diagrams... The 'fluid flow diagram' from the helms service manual doesn't indicate any PS fluid going to the rack & pinion gear. (See pg 17-4) It just flows through the reservoir/pump assembly, the valve body unit, and the power cylinder. It looks like the rack & pinions gears are completely isolated. I don't have a scanner so I can't post the picture. Can anyone post it for me? Also if you look at the first picture on page 17-8 of the Helms, you'll notice that part of the teeth from the rack stick out of the assembly. It's probably hidden underneath the rubber boot. How is this part of the rack sealed if there is actually PS fluid on the other side of the seal? Could I get away with just doing the following and get the same results? -> Looping the hoses from the PS pump assembly and draining 50-75% of the PS fluid? Less fluid=less resistance. [Modified by R8dR, 2:46 AM 6/2/2002] |
Re: How to: power steering to manual (Dropspeed)
Good info. http://images.zeroforum.com/smile/emthup.gif
When you have two barb fittings you will need a hose to connect them or double back into itself. Acura part # 53735 sr3 960 Listed as a "power cooler" works perfectly for this application. Should retail for $14.62. It is only a short rubber hose that doubles back 180 degrees but you will not be able to get a normal heater hose or fuel/air hose to do so without kinking. Save yourself a few bucks. http://images.zeroforum.com/smile/embeer.gif http://images.zeroforum.com/smile/emthup.gif [Modified by qtiger, 12:25 PM 5/20/2002] |
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