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#4502740 - 08/30/17 08:26 PM which transmission cooler?
spasm3 Offline


Registered: 05/30/10
Posts: 8651
Loc: North Carolina


Edited by spasm3 (08/30/17 08:26 PM)
_________________________
13 elantra 68k 5w30 QSUD
03 chevy avalanche76k synpwr 10w30
01 saturnsc1 185k synpwr rebuilt
17 mazda cx-5 3900 miles m1 0w20/0w40 mix

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#4502764 - 08/30/17 08:43 PM Re: which transmission cooler? [Re: spasm3]
NYEngineer Offline


Registered: 12/12/06
Posts: 1570
Loc: NY, NY
Both look fine. Which car is this going into?

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#4502770 - 08/30/17 08:48 PM Re: which transmission cooler? [Re: spasm3]
spasm3 Offline


Registered: 05/30/10
Posts: 8651
Loc: North Carolina
Sorry the 03 avalanche.
_________________________
13 elantra 68k 5w30 QSUD
03 chevy avalanche76k synpwr 10w30
01 saturnsc1 185k synpwr rebuilt
17 mazda cx-5 3900 miles m1 0w20/0w40 mix

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#4502774 - 08/30/17 08:50 PM Re: which transmission cooler? [Re: spasm3]
TX_1821 Offline


Registered: 05/25/17
Posts: 69
Loc: Arlen Texas..... (Houston)
Might not want to go too big...
Had a Hayden 678 or 677 not 100% sure on an 07' cts 3.6l.
Would take a few minutes for it to heat up as the transmission was a bit sluggish initially.
Say first 10 minutes maybe.

Maybe someone can give their opinion on size.
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Oil: QSUD 5w30 & Fram Ultra
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#4502818 - 08/30/17 09:42 PM Re: which transmission cooler? [Re: spasm3]
tomcat27 Offline


Registered: 06/25/09
Posts: 3564
Loc: Chicago, IL
both look good; almost identical. I've always used Hayden... never any problems.
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#4502853 - 08/30/17 10:38 PM Re: which transmission cooler? [Re: TX_1821]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: TX_1821
Might not want to go too big...


I'm really not sure that's possible.........

Haydens have served me well, never tried derale.
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(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4502872 - 08/30/17 11:06 PM Re: which transmission cooler? [Re: spasm3]
splinter Offline


Registered: 07/01/13
Posts: 1214
Loc: Dana Point, CA
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M1 0W-40
T6 5W-40
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#4502896 - 08/30/17 11:52 PM Re: which transmission cooler? [Re: spasm3]
BigJakeChevy Offline


Registered: 07/26/15
Posts: 126
Loc: Alberta

Used this derale cooler topped with a fan on my 2007 silverado. Bypassed the engine radiator as well.
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2007 Silverado Classic 5.3L PPPP 10w30 455,000kms

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#4503036 - 08/31/17 07:24 AM Re: which transmission cooler? [Re: spasm3]
NYEngineer Offline


Registered: 12/12/06
Posts: 1570
Loc: NY, NY
I very recently installed a GM trans cooler on my 09 Suburban. It seems small and I was actually considering buying a larger one. I was pressed for time and figured the small one was better than none. I was about to take a big trip.
I was dumbfounded at how well this thing cools and how simple it was to install. In Florida, in bumper to bumper traffic in 99 degree temps, trans temp was 191.
It's usually down around 145-148 buzzin' around Long Island in 78 degree temps.
Cooler and lines was 100 bucks.

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#4503071 - 08/31/17 08:11 AM Re: which transmission cooler? [Re: spasm3]
Miller88 Offline


Registered: 04/09/08
Posts: 12703
Loc: Onondaga County
I put an enormous one on my Taurus. It caused the torque converter to never lock up on cold days. It cooled the transmission so well that it never got up to the temperature that the computer would lock the torque converter
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#4503102 - 08/31/17 08:40 AM Re: which transmission cooler? [Re: Miller88]
SHOZ Offline


Registered: 06/28/03
Posts: 5746
Loc: Illinois
Originally Posted By: Miller88
I put an enormous one on my Taurus. It caused the torque converter to never lock up on cold days. It cooled the transmission so well that it never got up to the temperature that the computer would lock the torque converter
I had one on my '97 Taurus SHO that was from the earlier SHOs. Big tank style. Best AT cooler I ever had. It too would cool too much in the winter until I adjusted the TC lockup temp down to under 150F. Still I would cover it with some cardboard in the winter.
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2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual

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#4503212 - 08/31/17 10:55 AM Re: which transmission cooler? [Re: spasm3]
JimPghPA Offline


Registered: 08/22/09
Posts: 3859
Loc: Pittsburgh,PA U.S.A.
Try to get a trany cooler with a built in bypass thermostat. It bypasses the trany cooler when the trany fluid is not up to a minimum operating temperature. This allows the trany fluid to get to a pre-determined minimum temperature on cold days before the additional cooling kicks in. Also you probably want to still run the trany fluid through the radiator cooling heat exchanger so the hot coolant in the radiator heats up the trany fluid on cold days.


Edited by JimPghPA (08/31/17 10:55 AM)
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#4503215 - 08/31/17 10:56 AM Re: which transmission cooler? [Re: spasm3]
SHOZ Offline


Registered: 06/28/03
Posts: 5746
Loc: Illinois
On a cold day how hot is the coolant on the cold side of the radiator?
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2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual

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#4503220 - 08/31/17 11:01 AM Re: which transmission cooler? [Re: spasm3]
ford46guy Offline


Registered: 06/01/13
Posts: 525
Loc: Albany, NY
I just bought the Hayden 679 for my explorer. The Ford OEM ranger/Explorer cooler is a bit shorter but thicker, so in essence the same.

There is a guy selling them for 38 on ebay, he sold tons of them. Don't know if I can post sales links, but it shouldn't be hard to find.

A local trans guy said unless you live in siberia you can't go wrong with that cooler. He said it goes on every rebuild, or the size down if it can't fit.


Edited by ford46guy (08/31/17 11:03 AM)
_________________________
95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30

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#4503243 - 08/31/17 11:20 AM Re: which transmission cooler? [Re: spasm3]
ford46guy Offline


Registered: 06/01/13
Posts: 525
Loc: Albany, NY
This is what went on an Explorer or Ranger from the factory with a tow package. Note the Hayden 679 is 9 inches of radiator with .75 core. The 678 is the same height but remember it is thinner.




_________________________
95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30

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