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Hayden Transmission Oil Cooler Install

Discussion in '1st Gen. Tacomas' started by zero4, Aug 16, 2010.

  1. Jun 27, 2013 at 6:08 PM
    #81
    cr500taco

    cr500taco Well-Known Member

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    All right, thanks.
     
  2. Jun 27, 2013 at 9:12 PM
    #82
    Manlaan

    Manlaan Well-Known Member

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    I have the 679 in mine. I'm also running through the radiator trans cooler as well.

    I do think its overkill and should probably go with the 678.

    As far as cooling though, my trans temp never gets higher than my engine temp.

    I was just in Moab a few weekends ago and my engine did get up to 210s. Trans up to 200s. Outside temps were close to 100. I experimented with and without AC and it didn't seem to make much difference. Its really the long steady uphill grades that will heat up both the trans and the engine pretty good, which is where I saw the highest temps.

    Anyway, I dont believe I have any issues with not being able to cool enough. I think it is pretty close to borderline though, as for why I'd recommend going with something smaller than the 679.
     
  3. Jun 27, 2013 at 9:46 PM
    #83
    EL ROJO

    EL ROJO B==D~~

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    How and where r u pulling ur trans temp?
     
  4. Jun 27, 2013 at 9:55 PM
    #84
    Digiratus

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    I rely on my scangauge and I'm guessing he does too. I would be curious to know where the stock sensor is.
     
  5. Jun 28, 2013 at 10:24 AM
    #85
    EL ROJO

    EL ROJO B==D~~

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    Ya cuz I was told there isn't a port or sensor dealio in the trans on 1st gens..... Hmmmm I got an ultragauge I'm putting in at some point lol. Had for a year or two now.
     
  6. Jun 28, 2013 at 8:30 PM
    #86
    cr500taco

    cr500taco Well-Known Member

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    +

    Thanks for that info. I am going to be stopping by my tranny shop to see what they suggest. I had my trans rebuilt about a year ago and I trust the guy.
     
  7. Jun 28, 2013 at 9:51 PM
    #87
    EL ROJO

    EL ROJO B==D~~

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    Ask him where and how the scan gauge or whatever pulls the trans temp...directly from trans, or from a line or what.....


    Unless someone can chime in with some info...
     
  8. Jun 29, 2013 at 2:22 PM
    #88
    cr500taco

    cr500taco Well-Known Member

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    I talked with my tranny guy, today about the coolers. He said, get the biggest that I can. I told him what Hayden said about the cons of getting a bigger cooler than needed with the concerns of not enough air getting to the radiator and condenser and he said he's never seen a problem like that. Didn't get a chance to ask him about pulling the trans temp. He was busy and I didn't want to take up too much of his time.
     
  9. Jun 29, 2013 at 2:36 PM
    #89
    cottontop

    cottontop Active Member

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    Look at the tru cool brand of tranny coolers. I have a 6.0 swapped Chevy blazer with a 4l80 tranny and a 3k stall converter. I run a try cool 40k. They are big in the LS swap world . This cooler made a believer out of me. Even with the stall towing my boat tranny temps have never got over 165
     
  10. Jun 29, 2013 at 7:45 PM
    #90
    AlphaEcho2k5

    AlphaEcho2k5 Well-Known Member

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    This, I recently installed a Tru Cool 4590 on my 02 T4R... I bypassed the radiator and have this as the sole source of cooling. In 90+ degree stop/go traffice my trans never gets above 150 according to my Scan gauge, it usually avgs 130-140 range. Yes, it may be excessive to some but I really like this cooler.
     
  11. Jun 30, 2013 at 7:40 AM
    #91
    cr500taco

    cr500taco Well-Known Member

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    Thanks cottontop and alphaecho. I forgot to mention that my tranny guy suggested Tru cool coolers. He said that's what he installs on customer's vehicles.

    I am going to look into the same size as either the Hayden 678 or 679.
     
  12. Jun 30, 2013 at 10:40 AM
    #92
    cr500taco

    cr500taco Well-Known Member

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    El Rio,

    I PMed Will a few days ago with my question like you suggested and I haven't heard back, yet. He doesn't have a contact email on his profile.
     
  13. Jun 30, 2013 at 1:40 PM
    #93
    EL ROJO

    EL ROJO B==D~~

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    I may have his number, if I do I'll text him to post.
     
  14. Jun 30, 2013 at 1:41 PM
    #94
    EL ROJO

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    Nope old phone, sorry man.
     
  15. Jun 30, 2013 at 8:47 PM
    #95
    cr500taco

    cr500taco Well-Known Member

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    Thanks for checking.
     
  16. Jul 2, 2013 at 7:46 PM
    #96
    cr500taco

    cr500taco Well-Known Member

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    I am going to be getting a Tru Cool LPD cooler. My next question is, stacked plate or plate and fin, which is better?
     
  17. Jul 3, 2013 at 4:53 PM
    #97
    AlphaEcho2k5

    AlphaEcho2k5 Well-Known Member

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    I hear stacked plate is the way to go.:cool:
     
  18. Jul 15, 2013 at 6:40 PM
    #98
    cr500taco

    cr500taco Well-Known Member

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    Where did you mount your 4590? I am looking into the 4490 which is a little smaller. It's a little longer but 1/2 as thick. I have read where people say that the Hayden 679 is a tight fit and it's smaller than the 4490, but with my measurements it seems like the 4490 will fit.
     
  19. Aug 4, 2013 at 1:32 PM
    #99
    BlackSportD

    BlackSportD Well-Known Member

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    TRD S/C, TS PNP AEM FIC, TS 420cc injectors, TS water/meth, TS 2.2 pulley, Hayden tranny cooler, AEM wideband, TRD boost gauge.
    A little upset with my Hayden. I did some spirited driving up GMR to go wheeling in Asuza- temps got near 220. I have tranny > Hayden (don't remember model, its frickin big) > OE cooler in radiator > tranny.

    Either Hayden isn't that good, or my tranny isn't flowing fluid like it should, or routing it back to the OE cooler (to ensure it doesn't get overcooled) is negating the hayden.

    I'm now debating--
    a) should I build some custom shrouding? The hayden probably isn't performing anywhere near it's potential, lots of air is probably going around it and not through it.
    b) change the plumbing to standalone- in that case I would probably want to change to a Long Tru-Cool because of my fear of overcooling
    c) B&M makes coolers with fans attached. I suppose that would put a big stop to overheating.

    I'm very surprised my cooler is performing so badly. Not even towing...
    Here is a pic for reference of size, plumbing and air flow. I'm thinking maybe some ducting/shrouding could make all of the difference.
    [​IMG]

    ** EDIT, just hunted down the TRD cooler instructions, TRD has you install the aftermarket cooler POST OE cooler. So maybe my fears of overcooling are not founded, and I should install the TRD route, possibly increase the performance of my setup...
     
    Last edited: Aug 4, 2013
  20. Aug 4, 2013 at 5:56 PM
    #100
    cr500taco

    cr500taco Well-Known Member

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    I'm getting a TransCool LP cooler for mine. Had my tranny rebuilt over a year ago and that's the brand my tranny guy recommended.
     
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