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Thread: PS rack pressure and return line teflon O-rings

  1. #1
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    PS rack pressure and return line teflon O-rings

    I'm trying to put the PS lines and rack fittings together but I need the new white teflon rings that go onto the outside threads of the 2 nipples respectively.
    Where to get them?

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  2. #2
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    On the high pressure line, there are two sizes of the square teflon o-rings, depending on which end of the hose, available from your local Ford dealer.

    388897-S (smaller diameter) rack end
    388898-S (larger diameter, slightly thinner) pump end

    Can be tricky to install...suggest soak in hot water to soften, then carefully install on fittings and wait for them to return to original size before installing line/fitting back into car).

    Rubber o-rings from the dealer (bag only so you pay for several) for the EVO:
    384975*S94 (pkg of 10)
    391032*S (pkg of 4)
    387571*S100 (pkg of 10_

    Additional rubber o-rings are in a power steering rebuild kit from a parts house.
    Last edited by KMT; 05-09-2019 at 06:37 PM.

  3. #3
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    Yeah there are two different seals I need to connect to the rack I believe,

    1. Pressure line tube to rack (that would be 388897-S then)

    2. Rack to return line tube (not the same size)?
    Last edited by onkelmicke; 05-09-2019 at 08:21 PM.

  4. #4
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    2.) Don't know, sorry. Should be either/or is my guess, but when you go to the dealer, they will be able to tell you if it's one of those two, or yet another size.

    Those teflon o-rings were less than USD$2 each. I buy 3 of each and have spares should the first try go wrong Keep the receipt and return the ones you don't use.

  5. #5
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    Thanks

    Yeah, I don't have any US-Ford dealers around here so I will have to find them some way.

  6. #6
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    Dorman sells them....

    https://www.dormanproducts.com/p-27654-82540.aspx

    Also found on eBay sometimes.

  7. #7
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    OK, will be looking out for them.

    Problem with eBay is shipping, any item is at least $25-30 thru the global shipping program.

  8. #8
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    How much from West Coast, USA? They don't weigh anything...

  9. #9
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    From anywhere in the US when processed thru eBay global shipping program, $25 or more per item. If I buy 2 items I pay shipping twice. On top of that there are the atrocious import charges based on total cost, that is including shipping... That's globalism for you.


    Regular USPS is another matter. It could be sent in an envelope and cost very little. But that's not the eBay way.
    Last edited by onkelmicke; 05-10-2019 at 01:47 AM.

  10. #10
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    Not to totally derail your thread, but I disagree on the Ebay shipping program. I have used it to ship things all over the world at usually 1/2 the cost of regular US mail. The problem with the program is not Ebay, but rather the seller and how they set up their preferences. Some sellers literally add in a "packaging" fee to their shipping estimates also. One thing though is that you will have to pay taxes on the actual cost vs. having an individual re-evaluate the package value for you. I kinda hate USMail anyway. They charge tiered rates so Amazon pays a tiny fraction of what a retail customer pays. But don't get me started. lol
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

  11. #11
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    Quote Originally Posted by onkelmicke View Post
    Regular USPS is another matter. It could be sent in an envelope and cost very little.
    That's what I was asking. Looks like it's $1.15 from me to you for a letter. PM me if I can help.

    Ken
    Last edited by KMT; 05-10-2019 at 10:45 AM. Reason: 6

  12. #12
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    These guys sometimes have obscure gaskets and items for our Tbirds. I used them when I needed o-rings for a power steering rebuild.

    https://www.oemfordpart.com/

  13. #13
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    Quote Originally Posted by XR7 Dave View Post
    The problem with the program is not Ebay
    Yeah you're probably right, I wouldn't know. It's unfortunate anyway.

  14. #14
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    Quote Originally Posted by potshotscott View Post
    These guys sometimes have obscure gaskets and items for our Tbirds. I used them when I needed o-rings for a power steering rebuild.

    https://www.oemfordpart.com/

    Yes that seems like a nice site, thanks... unfortunately an international shipping fee of $45 for a couple of O-rings/seals is not viable.

  15. #15
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    I am still unable to identify the return line rack to tube teflon seal.
    Nobody I have spoken to thus far has a number on that one, so it's not easy trying to find one.

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