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| frankieh |
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Hi all,
I have a very tidy radiator that has been re-cored recently but that has one small problem. It appears that the transmission fluid cooler in the radiator has a tiny leak and as a result dumps water in the Transmission when under high pressure. So I blocked it as in this photo by soldering the fittings shut.  Then, I pulled a second factory transmission cooler from my spare EL and installed it in the wheelwell behind the spotlight mount. (EF falcon swagon)  And I've plumbed it so that now the transmission fluid runs though the factory cooler in front of the radiator, and then though the one in the wheel well, before heading back to the tranny. As you can see in this shot, it is right behind the headlight opening and should get great air flow..  My question is this.. is this enough cooling for a car that does no towing or hard work? It does solve my problem of not wasting a great radiator and not getting water in the tranny fluid. I'm just worried that it will get too hot.. Anyone know if this will provide sufficient cooling for the tranny? (2 factory coolers with good flow I mean) ta Frank Perth WA |
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| philaddis |
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I am pretty sure that having two dedicated coolers plumbed in and operating, when usually only the one in the radiator is sufficient, will be more than enough for a car which does no towing.
_________________ ED XR8 Spri-mitatio-nt |
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| madmax |
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My radiator cooler is also bypassed, I'm only using the factory BA cooler
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| frankieh |
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That's a bit of a relief I was concerned it would overheat and dump tranny fluid all over the exhaust or something.. this is the car my wife drives my kids around in.
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| huggiebear |
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when you think about it the radiator cooler is surrounded by very hot water on long drives so it wouldnt be doing much cooling. so an external unit is much better for cooling. using the factory hard line one isnt 100% needed as the finned unit would do the job good enough but the more the better (to an extent)
on my turbo fairlane i also bypassed the radiator as i see it as pointless if you have a good quality cooler on it |
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| bry40l |
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I like where youv put it down where the hole is in the bumper, should work well there
_________________ BF XR6 |
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| JIM89 |
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wowowowowowowow, ive seen those pics befor!
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| xcabbi |
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In answer to the op's question.
Yes and no, depends on the situation. If the car is only driven for up to 20-30 kms at a time before being allowed to cool down, then most definitely use the in radiator cooler, either on its own or in tandem with a dedicated trans cooler. The idea being to bring the trans up to temp quicker and limit the ammount of wear and tear. If you do a lot of driving and not really let the trans cool down, then by all means run a stand alone cooler because the cool running is more important than the warm up time in this case. Edit. I meant 10-15 mins but at freeway speeds that can be up to 30kms. |
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| Benny D |
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its probly not a great idea to have 2 stand alone radiators on yor car if it isnt doin any towing.
the point of the fluid running thru the radiator is to bring it up to operating temp quikly so the least amount of "warm up damage" is done. unless its a burnout car then you might need one also.
_________________ BA XT V8. Ice Mint. 18" Speedys. XR6T LSD. Full Pacemaker twin 2 1/2inch Stainless Steel system. Custom CAI. Black XR interior with white trimming. Powerbond underdrive kit 25%. |
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| xcabbi |
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2 stand alone coolers? Only if its used for towing, burnouts, drags, or other constant full throttle shennanigans. In the colder months a very lightly driven car running 2 taxi sized stand alone tranny coolers would most probably do more harm than good. Feel free to correct me if you feel that I'm wrong but that's my understanding of the situation.
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| frankieh |
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Thanks for the tips..
I have a T5 that I'm putting in my car, so I'll swap radiators with my wifes car as my radiator doesn't introduce water to the system and I'll have a manual and not need it anymore. Her radiator has a practically new core so it's a win for me too. 
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| 89.SVO |
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Age: 35 Posts: 3382 Joined: 11th Mar 2008 Ride: EA SVO, AU2, Toyota Crown Location: Bendigo |
why would the trans dump fluid on the exhaust if it got hot?
_________________ Daily driver: 2010 Toyota Crown hybrid 3.5L V6 hybrid. 254kw. |
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| frankieh |
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There was water in it initially from the radiator cooler having crack in it.. when driving hard, the water turned to steam and that blew fluid out the filler dipstick. (it's an EF)
Its all good now that I've flushed it, put new fluid in and the second cooler. |
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