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Old 09-06-2001, 12:40 AM   #1
Andrew
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Arrow Auto tranny temps discussed with Subaru. No serious need for a tranny cooler?

I talked with Bruce at Subaru of Santa Cruz today about the Auto tranny temps. I asked him what the operating temps are of the tranny and he said around 180F and that the car can safely go to 210F (which is what mine did on a very long very hard run up a mountain). so i dont see any need for a tranny cooler. he said NOT to do the power launches that we all do at a stopligth or dragstrip. he said that that can EASILY heat up the Torque Converter to 1000F within 10seconds. so maybe for that type of application a tranny cooler would benefit us but i dont see the point in it being any form of a necessity.

but of course, for 50 bucks its not a bad safegaurd.
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Old 09-06-2001, 01:01 AM   #2
ivbdn
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I think the money spent on a tranny cooler is well worth that extra peace of mind. I'd hate to one day find out that I just roasted it.
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Old 09-06-2001, 01:18 PM   #3
ralyrcr
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Subaru also says that there is no need for aditional cooling on the svx, however talk to any svx owner and ask about how long thier 1st tranny lasted. svx s trannies last significantly longer with a cooler. i have several friends with svx s, and if i ever end up with an auto subaru i will be getting a tranny cooler.

jon
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Old 09-07-2001, 05:35 PM   #4
WRX1
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Also, a 30 degree drop in fluid temps with DOUBLE the life of the fluid, and that alone is going to make it worth the money.


Russ
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Old 09-08-2001, 05:05 AM   #5
HndaTch627
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well as long as you change your fluid regularlly, every 15k or so you'll be fine, but it never hurts to have added protection, just make sure all your clamps and stuff are tight, blowing a transcooler line and running out of ATF is a BAD BAD BAD thing

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Old 09-08-2001, 03:50 PM   #6
garface
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How much does an AT fluid change cost at the dealership?
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Old 09-09-2001, 01:37 AM   #7
thng
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In my book, any time you beat on an AT you need to put a cooler on it. If you granny the car for the rest of its natural life then you probably don't need one. But if you are going to do what anyone else that has one foot in an insane asylum; you are going to need a cooler. Warranty on my car, which should be similar to yours, is only 3 years/36000mi and I am about half way done with that already.

I had to do some long term testing on a Nissan Pathfinder with an AT. It didn't take long to burn the clutches in that thing. And the fluid came out smelling like it went through hell.

When I put the cooler on my last car I went and sized the proper cooler and then bought the next one up.

Get the cooler....that's one issue that won't come up again afterwards. And if you do get one make sure you put it after the one in the radiator.
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Old 09-09-2001, 04:57 AM   #8
HndaTch627
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powertrain warranties on scoobies is 5yr/60K...get a cooler, change the fluid every 15k and ur set.

Jeremy
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Old 09-10-2001, 11:54 PM   #9
Joncas
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Garface ~$45 for a flush (does not pump out torque converter).
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Old 09-11-2001, 03:14 AM   #10
HndaTch627
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$45=Drain and fill $99.95=flush

Or actually 109.95 @ my dealer

Jeremy
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Old 09-11-2001, 01:41 PM   #11
Daios
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every 15k miles?!?
Flushing out the TC is better right? What ATF do you people use? synthetic or reg?
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Old 09-11-2001, 02:54 PM   #12
HndaTch627
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you DO not need to flush it every 15k, just drain and fill....i normally rec a flush every 45k to 60k.

Jeremy
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Old 09-27-2001, 12:27 PM   #13
enphorcerWRX
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how do they flush the AT tranny?
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Old 09-27-2001, 01:22 PM   #14
enphorcerWRX
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forget it, i found the answer in a later thread
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Old 09-30-2001, 11:05 PM   #15
KoMpreSsor
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i would recommend the B+M stacked plate cooler that they sell in catalogs.

i had the 24,000 or 28,000 lb motor home unit on my '98 grand prix gtp. i had close to 280 hp at the crank, and they were known to have weak A/T's. never had a hint of a problem.

at 37,000 miles, the fluid was clean and so was the filter. absolutely no odor.

more amazing is how much heat the cooler would transfer to the surroundings. the B+M unit is licensed from a canadian company. if you buy a cooler, give it a look.

Last edited by KoMpreSsor; 10-03-2001 at 07:50 AM.
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Old 09-30-2001, 11:17 PM   #16
KoMpreSsor
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here is a photo.......
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