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I need help with my auto trans cooler please!

Discussion in 'The Hokey Ass Message Board' started by Gasoline Junkie, Jun 26, 2012.

  1. Gasoline Junkie
    Joined: Nov 20, 2010
    Posts: 337

    Gasoline Junkie
    Member

    I'm in the process of moving my radiator in front of the rad. support to make room for a fan. I have new hoses and hardware and I'm almost done, but the only think I'm stuck on is what to do with the trans cooler lines. My original plan was to simply use rubber hose to make the difference and call it a day. But I was also thinking since I have everything apart, should I just go with a dedicated trans cooler? I think that would be kind of stupid to buy a trans cooler when I pretty much already have one. So would I be able to get fittings for my radiator so it can accept rubber hoses? Thanks in advance for the help, I really wanna get the car on the road before the weekend comes around :D
     

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  2. Da Tinman
    Joined: Dec 29, 2005
    Posts: 4,222

    Da Tinman
    Member

    get some pipe ******s from the parts store and get the trans cooler rubber line, its different than fuel line.

    no need to add another cooler if that one works like its supposed to.
     
  3. Salty
    Joined: Jul 24, 2006
    Posts: 2,258

    Salty
    Member
    from Florida

    I'ma big fan of a dedicated trans cooler.....that said...if what you have works.... What tin man said!
     
    Last edited: Jun 27, 2012
  4. Don's Hot Rods
    Joined: Oct 7, 2005
    Posts: 8,319

    Don's Hot Rods
    Member
    from florida

    A little tip I learned the hard way. If you just slip some transmission rated neoprene tubing over the cut off end of your old steel line, it will blow off under pressure. But if you take a flaring tool and put a very small flare on the steel tubing (small enough that you can still slip the rubber hose over it) and then double clamp it, the flare will bite in and keep the clamps from slipping. It isn't the ideal way to do what you are doing, but you want to get it running this week.

    Don
     
  5. I've run beaters double clamped with whatever line the parts store sold me and the only problem I ever had was one that came with rubber lines way back almost to the transmission, they rubbed on the frame until one sprouted a hole and I had to fix that.

    But you could probably also buy a short piece of tubing with the fittings already on it and a union and do it that way.
     
  6. Gasoline Junkie
    Joined: Nov 20, 2010
    Posts: 337

    Gasoline Junkie
    Member

    Thanks for the tip I would have found that out the hard way! And I'm ***uming the ideal way to go about this is to run new metal line, right?

     
  7. tommy
    Joined: Mar 3, 2001
    Posts: 14,756

    tommy
    Member Emeritus

    Not necessarily. The proper hose does need to be mounted properly so that it can't rub through but that is a matter of good workmanship and not necessarily the material used. Steel tubing will wear through also if just d****d across things. I'm not advocating either way just mount it solidly so that it can't rub against something. I usually run steel tubing with a short hose connection at the radiator. I make the first step of a double flare to form a bubble as a barb to keep it from slipping off.
     
  8. Gasoline Junkie
    Joined: Nov 20, 2010
    Posts: 337

    Gasoline Junkie
    Member

    Ok so I flared the existing metal line and double-clamped the hose (I made sure to use transmission cooler hose, not fuel hose) at the line and on the radiator side. On the driver's side I used a soldering iron to make a hole in the fan shroud so I can get to te radiator, but I suppose it doubles as a way to keep the hose from moving. On the p***enger's side the hose runs alongside the lower radiator hose, which runs under the shroud and out of the way of everything. Thank you guys for the tips, they really helped and I'm glad I have no leaks!
     
  9. plym_46
    Joined: Sep 8, 2005
    Posts: 4,018

    plym_46
    Member
    from central NY

    You could also abandon the radiator cooler, and run an auxiliary cooler, mounted in a position that would make plumbing with steel line more convenient. I was at out local pick and pull place a couple weeks ago and so all kinds of oil coolers in various shapes and sizes, so theres lots of choics of how and where they can be mounted.
     
  10. JacSmith
    Joined: Jun 27, 2012
    Posts: 2

    JacSmith
    Member

    I came stumbling the same problem there were leaks on the transmission. I had to go to a nearby repair shop to ask for help and they said that the problem is with my converter and that I have to replace both for $2,300.



    __________________
    Troubleshooting the cars part is far way complicated than fixing your computer.
     
  11. LowKat
    Joined: Nov 29, 2005
    Posts: 10,016

    LowKat
    Member

    I hope you didn't go back
     
  12. I actually like to us a double flare tool and stop on the first part of the flare. Works like a champ.

    I am not a big fan of rubber lines on transmission coolers. Especially if I am going to be using the cooler built into the radiator. It is not expensive in the whole scheme of things to get steel line and make up new lines.

    I am also not a big fan of the transmission cooler built into the radiator. Whichever fluid os hotter puts heat into the other, so now it is 100 degrees out and you are sitting in traffic, the transmission puts heat into your engine coolent, which heats up and in turn puts heat back into your transmission and back and forth until both the engine and the transmission are both over heated.

    OK that will probably never happen like that but you get my point correct?

    Anyway I usually try to sepatate the wto systems. When I do I almost always have to sue at the very least a little bit if transmission cooler hose or some sort of hydraulic line. Please donot use fuel line or heater hose whatever you decide.
     
  13. BigPerm365
    Joined: Jan 8, 2012
    Posts: 47

    BigPerm365
    Member

    Long time motorhead...but one question I've always had.... Should we always byp*** the internal radiator cooler when adding external??? or beter yet run thru rad cooler THEN go to the external? Does the "too cool" oil idea extend to A/T?

    I completely understand one heats the other deal.
     
  14. We used to use both on mud trucks, yes a ****** can be too cool but it is hard to make one that way.
     
  15. Gasoline Junkie
    Joined: Nov 20, 2010
    Posts: 337

    Gasoline Junkie
    Member

    Yes I used trans cooler hose, NOT fuel hose! I see what you're saying about the two fluids heating eachother up, but am I wrong in thinking that if the antifreeze temperature is kept at bay, then the transmission fluid can't be much hotter? I know using a seperate trans cooler has it's benefits, but I figure if I technically already have a cooler then I shouldn't need to buy another one unless I have a heating problem right?


     
  16. I would say that if it is a tow vehicle or it gets real hot where you live (think Phoenix here) then yes you absolutely need a seperate trans cooler or an aux trans cooler. Ohterwise you should be fine without one.
     
  17. Gasoline Junkie
    Joined: Nov 20, 2010
    Posts: 337

    Gasoline Junkie
    Member

    Well it's getting to 95 today this weekend, it doesn't get as bad here in NY as it does by you. I generally just cruise around in the car (But I like too play with it from time to time) I think I should be ok, maybe I'll invest in a temp gauge and a cooler at some point
     

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