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#1
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Tranny Cooler/Filter Questions
I'm finally going to put a tranny cooler on my poor car.
It's a '92 LSL without any external filter. I'm going to add a filter and cooler. The cooler I bought is 11"x6"x1.5", so i'm not sure it'll be thin enough to put in front of the condenser but if it is I'll put it there. Otherwise it's going in the d-side fender, like in the How-To doc. My main question is should I put it in paralell or series? As far as I know the radiator is stock so it has the mesh in it. I considered cleaning the mesh by manually forcing some tranny fluid through the cooler in reverse (into a bucket), thus pushing out the gunk that may be there. If I put it in series, it will run all the fluid through twice, thus getting it cooler. If I put it in paralell, the fluid can completely bypass the clogged line if it so desires. Advice? Opinions? Thanks a lot. --Mike
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Early deceased SVXWN Member July 1986 -- February 2007 Michael - Duct Tape Man 1992 Burgundy SVX LS-L, 138K: Brembo Slotted/Drilled Rotors, B&M Tranny Cooler and Filter, SmallCar Shift Kit 1992 Burgundy SVX LS-L, 123K: DEAD FROM FATAL HAIL DAMAGE, Parting out so PM me if you need something. "It's only after we've lost everything that we're free to do anything" - Fight Club "This is not my life, this is not my home, this is not me. I HATE THIS!" - Static X |
#2
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I'm not sure about the clogging concern...do you have any reason to believe that your cooler is currently clogged?
As for me, I had mine in series and it worked great. 70k on my 1st rebuilt tranny and it worked great up until the day I pulled it for a 5MT.
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Time for my very own long list of mods: 92 SVX LS-L - Ebony Pearl - 2002 WRX 5MT trans w/STi gearset (rebuilt & installed myself ) - BMW E46 HID retrofit - Kenwood Headunit - Phoenix Gold 75x4 RMS amp - Alpine Type R 6.5" front components - Alpine Type R 6x9 3way rear speakers - 18"x9" Rota G-Force wheels w/225/40ZR18 Toyo T1R's - Mychailo's custom springs - Urethane front & rear sway bar bushings - KC exhaust (2.5" dual magnaflow) - Escaine seat swap - Removed Spoiler I don't care if Subaru says it's STI...it will always be STi to me |
#3
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The filter will catch the crap, the additional cooler will remove the extra heat, and the water cooler will ensure that the ATF remains at the right temperature. Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#4
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I replaced my stock cooler entirely, and I don't think it ever gets too hot to touch. The threshold of pain is about 130degF. Obviously that doesn't tell me what the ATF temperature inside the tranny is, but I figure that's not bad.
I do have a tranny temp gauge sitting in a drawer in my garage. It never reads anything at all. I should really install it.
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2005 RX-8 Grand Touring 2005 Outback 2002 Mercedes-Benz E320 wagon END OF LINE |
#5
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I doubt it's that clogged, the previous tranny had 130000+ miles on it before I replaced it, but I replaced it due to a bad front diff, not the transmission itself. The present transmission was rebuilt and used for a year or so before being put in this car. I was just concerned about possible buildup.
But put the aftermarket cooler first? I figured put the better cooler second in line before going back to the tranny. http://www.subaru-svx.net/photos/files/How-To/14330.jpg
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Early deceased SVXWN Member July 1986 -- February 2007 Michael - Duct Tape Man 1992 Burgundy SVX LS-L, 138K: Brembo Slotted/Drilled Rotors, B&M Tranny Cooler and Filter, SmallCar Shift Kit 1992 Burgundy SVX LS-L, 123K: DEAD FROM FATAL HAIL DAMAGE, Parting out so PM me if you need something. "It's only after we've lost everything that we're free to do anything" - Fight Club "This is not my life, this is not my home, this is not me. I HATE THIS!" - Static X |
#6
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Early deceased SVXWN Member July 1986 -- February 2007 Michael - Duct Tape Man 1992 Burgundy SVX LS-L, 138K: Brembo Slotted/Drilled Rotors, B&M Tranny Cooler and Filter, SmallCar Shift Kit 1992 Burgundy SVX LS-L, 123K: DEAD FROM FATAL HAIL DAMAGE, Parting out so PM me if you need something. "It's only after we've lost everything that we're free to do anything" - Fight Club "This is not my life, this is not my home, this is not me. I HATE THIS!" - Static X |
#7
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So they all use the engine radiator, as a temp stabiliser. To remove excess heat, or to bring the ATF temp up to operating temp. If the Air cooler is fitted after the water cooler, the temp of the ATF can be reduced, too low for the correct operation of the box. Valves, pistons, bands can all work slower, and take longer to reach maximum pressure. Fitting the air cooler before the water cooler, allows it to remove the excess heat that a hard working trans can produce, then let the water cooler stabilise the temp to go back to the box. So I would suggest, that to keep the trans operating as it should, the ATF from the box, go to the filter, then the Air cooler, then to the radiator cooler, then, back to the box. Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
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