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Thread: Underbody transmission cooler

  1. 10th October 2021, 02:36 PM #11
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    onebob
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    Quote Originally Posted by Slunnie View Post
    I dont think the Auto transmissions are cooled very well all…………….That said, 440,000km is great going if the auto has never been touched and with what you do the factory ATF cooler is probably operating perfectly as it is - if it wasn't, you'd know by now.
    The ZF autotrans was rebuilt at 272,000kms.
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    1999 build D2 TD5 Auto, Mantec snorkel, 2" LRA spring lift, ARB on board air, Ashcroft ATB, CMM air ram CDL shifter, swag & gold pans ....
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  2. 10th October 2021, 05:23 PM #12
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    simonmelb
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    I read a while ago that the D2 trans cooling works fine - will try and find the thread. But yes mud blocking the cooling and the crappy connections are weak points!
    Cheers

    Simon
    2003 D2a TD5, ACE, SLS, Vienna Green.
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  3. 13th October 2021, 12:33 PM #13
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    I have abandoned any thought of pursuing the underbody install of a transmission oil cooler in my D2. Whilst fine for a street or drag car there are just too many negative aspects for it on an off-roading 4WD vehicle. So I’ve purchased a PWR brand 21 row stacked plate & fin oil cooler that I’m planning to mount forward of the AC condenser and behind the grill.
    Thank you to all contributors to this discussion.
    LROCV member #131
    1999 build D2 TD5 Auto, Mantec snorkel, 2" LRA spring lift, ARB on board air, Ashcroft ATB, CMM air ram CDL shifter, swag & gold pans ....
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  4. 13th October 2021, 08:50 PM #14
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    Quote Originally Posted by onebob View Post
    I have abandoned any thought of pursuing the underbody install of a transmission oil cooler in my D2. Whilst fine for a street or drag car there are just too many negative aspects for it on an off-roading 4WD vehicle. So I’ve purchased a PWR brand 21 row stacked plate & fin oil cooler that I’m planning to mount forward of the AC condenser and behind the grill.
    Thank you to all contributors to this discussion.
    Does that have proper pressure fittings such as multibarb or screw down etc? My experiences are that just slip on and a hose clamp fittingd blow apart for the D2 ATF coolers.
    Cheers
    Slunnie


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  5. 13th October 2021, 10:20 PM #15
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    Quote Originally Posted by Slunnie View Post
    Does that have proper pressure fittings such as multibarb or screw down etc? My experiences are that just slip on and a hose clamp fittingd blow apart for the D2 ATF coolers.
    Yes it has ports that accept ‘proper’ pressure fittings. I’ll be using JIC or -8AN fittings.
    LROCV member #131
    1999 build D2 TD5 Auto, Mantec snorkel, 2" LRA spring lift, ARB on board air, Ashcroft ATB, CMM air ram CDL shifter, swag & gold pans ....
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  6. 25th October 2021, 08:59 AM #16
    Reddirt204
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    Under body trans cooler

    After heading down more than one rabbit hole over the last few days, I'm pretty sure the OP pic is a defender with an LS and 6 speed auto installed, I was reading a massive thread on defendersource.com (something like 156 pages..) about LS swaps and the under body cooler came up towards the end, this was used by a guy that was basically just trail running and towing, no real mud etc.

    cheers

    Red
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