Low Pressure Power Steering Line Issue

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Thread: Low Pressure Power Steering Line Issue

  1. #1
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    Default Low Pressure Power Steering Line Issue

    Ok, the hard return line from the rack to the reservoir for the power steering is leaking on my truck, due to what looks like some corrosion around one of the bushings where its bolted to the body. I've contacted my local dealer about a replacement and they informed me that the only way to get that hard line is to buy an assembly that includes the high pressure line and all the soft rubber lines and so forth.....for a whopping $500....not a chance. So if anyone who has toyota parts experience I would appreciate it if you could tell me if its possible to get this hard line separately (hell I'd dish out for the two soft lines on either end if I had to). If thats not going to be an option what would you guys think about running one length of rubber line from the reservoir down to the rack? A hell of a lot cheaper and honestly I dont think it would really make a difference. I would assume a length of heater hose would do the trick.....Any and all comments are appreciated.....seeing as how I have to get this nonsense straightened out sooner than later....thanks.

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    Default Re: Low Pressure Power Steering Line Issue

    i'm gonna go out on a limb, in the tree of the uninformed, and say the reason they use hard lines is to minimize vibration/bounce/flex. if you secure it with zip-ties to minimize any rub issues i don't see a problem.

    and you just saved $480....
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    Default Re: Low Pressure Power Steering Line Issue

    Kind of what I was thinking, I think ultimately the rubber line would only be a temporary thing. I found a couple places online that rebuild lines and such....so if I have the hard line out of the truck I shouldnt have too much of a problem getting a new one fabbed up. Theres just no way I'm buying into a $500 assembly for just that one line.

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    Default Re: Low Pressure Power Steering Line Issue

    maybe you could finde a copper line conector at home depot to cut out the leaking part and splice in a short peace of copper

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    Thumbs up Re: Low Pressure Power Steering Line Issue

    Contact these guys: Arizona Tubes & Hoses. A while back, another TSer had them fab up a replacement and it was a fraction of what the dealer wants to ream you for.

    It's essentially just a hydraulic line. If you get a hose rated for the chemical makeup of PS fluid/ATF, then I don't see why a soft line wouldn't work.
    Last edited by Remmy700P; 02-06-2012 at 10:15 AM.
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    Default Re: Low Pressure Power Steering Line Issue

    Here's the tube assembly. The low pressure return line from the rack runs to the power steering cooler (which is just a single loop of metal tube) and then back to the reservoir. This line is at zero pressure so you may be able to fabricate a new piece of hard line by bending up some brake line or fuel line and flaring the ends. I wouldn't try that with the pressure line from the pump to the rack, though. A hydraulic house could fab that up for you.

    Click image for larger version. 

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    Last edited by mibro; 02-06-2012 at 10:42 AM.
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    Default Re: Low Pressure Power Steering Line Issue

    Thanks for all the replies guys.....I just went out on a limb and bought some 3/8" heater hose (roughly 4 feet will do the trick). The O/D of the hose isnt too large so you can still use the same brackets in play for the hard line to keep it in place. Its still only a temp fix....I just want to try and find a local hydraulics shop that can fab up a replacement line for me. If and when I find that company locally here I'll post it up just in case anyone from this area is looking for something like that. Thanks again guys
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    Default Re: Low Pressure Power Steering Line Issue

    RISR5 - I had the same issue on my '05 DC, but it was right out of the rack, where it bends down to the cross member. This is 10mm tube, and nobody around me carried it, so they bent me a new 3/8 with the flare (to accept the 17mm flare nut). All i did was brought them the rusted line, and they made up the tube to match. The left me a "bump" at the very end, where the tube runs along the cross member, so that I could then use the original hose which was clamped to the old tube. Took all of 10min at the hydraulic shop, and $20 for the material. It was a bit tight stuffing the 10mm hose on the 3/8 tube, but works fine. If you have a flare tool and tube bender, you can get the 3/8 at any NAPA store for about $10. But I didn't so off to the hydraulic shop I went.

    Good luck.
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    Default Re: Low Pressure Power Steering Line Issue

    Great info Remmy!!! My local dealer tried this bit on me as well. They wanted $800, parts and labor. Not in this lifetime.

    Thanks again for the info.
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    Default Re: Low Pressure Power Steering Line Issue

    RISR5, have you found someone local to fab a replacement line? I'm in SE Ma & both my high & low pressure lines need replacing. There is no way I'm paying my dealer what he's lookin to charge me...

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    Default Re: Low Pressure Power Steering Line Issue

    Quote Originally Posted by marreeme View Post
    RISR5, have you found someone local to fab a replacement line? I'm in SE Ma & both my high & low pressure lines need replacing. There is no way I'm paying my dealer what he's lookin to charge me...
    unfortunately no I haven't done anything about it.....the rubber line I put in as a temporary situation has become more permanent these days. If I had to guess.....any shop that deals with fabbing up Hydraulic Lines would be able to do those up in a heartbeat. You would just have to pull the originals so they would know how to bend them and such. We have a Diesel mechanic here at work and he wasnt much help with giving idea's as to who I could call so if you find someone local to the RI/SE Mass area let me know....

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    Default Re: Low Pressure Power Steering Line Issue

    I had the low pressure line fail in my old t-100, and the high pressure line was on its way out, my mechanic did not want to touch it without a solution in hand because he said, oh, thats going to crumble when I wrench it, we looked up the toyota part, and it was 690, and that was only if he could get it. we both said thats nuts. So, I started looking. I found that trailgears kit for 83 was almost a direct bolt up.

    Tacoma Steering | Toyota, Suzuki Samurai, and Jeep Off Road Parts

    I lost a vacuum dohickey but, saved 600 so, I was ok with it.

    I am thinking a 4wd shop should figure out the hoses, make a kit and then get wealthy selling it back to us.

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    Default Re: Low Pressure Power Steering Line Issue

    I know this is a necro-thread but I wanted to provide a solution because I'm sure this will be google-searched by many others.

    I had the same problem, the low-pressure return line rusted through just at the fitting at the rack, where Toyota covered it in rubber.

    It's a 17mm o-ring fitting and a 10mm steel tube with a hose barb at the other end.

    Called Toyota looking for it and the dealer told me they only sell it as a "Hydraulic tube assembly" with the high pressure line, hoses, clamps, etc. for $580!!!

    Well that's a darn truck payment.

    So I got into the Gates products catalog and did some cross-reference searching. The return tube for a 3rd gen Camry or a Lexus ES300 is the same size tube, fitting, O-ring and nut. Only problem is it is bent for the Camry not the Tundra, obviously.

    Advance Auto Parts had the Camry tube in stock on the shelf for $30 and change. It is a Powercraft part # 92015.
    I figured what have I got to lose? So I picked it up.

    I didn't have a tube bender the right size so I used a bench vise and screwdriver handles for a mandrel.

    After an hour of tinkering and bending carefully to not crimp the line I wound up with something that fit. The Camry line is a bit longer and to use the right-angle bend already in the line it winds up sitting an inch or so lower than the original, about the level of the anti-sway-bar. It did end up being able to be clamped in the same clamp that holds the high and low pressure lines on the passenger's side frame. The hose barb section was longer and I didn't want to cut it shorter and lose the barb, but the original rubber hose and clamp fit well enough. I could have trimmed 2-3 inches off the rubber hose but it was OK as is. I let the hose go all the way up the new metal tube so there was 2-3 inches inside the hose, and it leaked like that, so I had to make sure I pulled the hose back towards the barb like it should have been.

    Refilled with Dexron fluid, and bled it out, and no more leaks. Now my wife will let me park it in her garage again!
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    Default Re: Low Pressure Power Steering Line Issue

    Quote Originally Posted by ragabash1 View Post
    So I got into the Gates products catalog and did some cross-reference searching. The return tube for a 3rd gen Camry or a Lexus ES300 is the same size tube, fitting, O-ring and nut. Only problem is it is bent for the Camry not the Tundra, obviously.

    Advance Auto Parts had the Camry tube in stock on the shelf for $30 and change. It is a Powercraft part # 92015.
    I figured what have I got to lose? So I picked it up.
    That's great info. If you search Advance Auto's web site for Powercraft "17MM Male O-Ring" you get 12 different products, so there's a good selection of options there.

    While we're sharing info, you can also buy the right and left steering pressure tubes separately from the dealer. These tubes look like part of the rack but they can in fact be replaced separately. Part numbers 44418-0C010 and 44419-0C010.
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