Installed a tranny cooler today! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-30-2005, 12:39 AM   #1
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Default Installed a tranny cooler today!

What a difference in shifts and the Converter surge has seemed to disappear. Best 60 bucks I have spent on the car to date.
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Old 03-30-2005, 08:45 AM   #2
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i love my tranny cooler
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Old 03-30-2005, 10:00 AM   #3
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Default Re: Installed a tranny cooler today!

Quote:
Originally Posted by 91 Vette
What a difference in shifts and the Converter surge has seemed to disappear. Best 60 bucks I have spent on the car to date.
And you have a 4T65-E right... 98 was the first year for the 65-E attached to an L36 in the bonneville...

I would have loved to see what the running temps were for that trans before the cooler and after the cooler..

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Old 03-30-2005, 11:37 AM   #4
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Well I had it out on my hour work drive and it was so nice and smooth shifting, every shift was constant, no real hard ones after driving an hour and the fluid was warm to the touch on the dipstick not hot like before even the cooler lines had to be 20 degress cooler or more than the radiator hoses. The TCC surge is totally gone, the spots it used to do it on the commute it wouldn't do it when I tried to duplicate it.
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Old 03-30-2005, 11:59 AM   #5
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How about a bigger better picture of the Hooter gals, uh...I mean your car?
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Old 03-30-2005, 02:59 PM   #6
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91 vette, i was wondering what the normal operation temp range is in our transmisssions, i think Willren has a gauge, maybe he can awnswer that, im going to be installing the cooler and the gauge in less than a month, I cant wait for my car to reep the benfits,

heres my questions for you
do you have a gauge installed now,
do you have a fan on the cooler, or just ram air
which line did you splice into in order to attach your cooler to the system

thanks

nicky
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Old 03-30-2005, 03:11 PM   #7
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No gauge, but overall better driveability.
I am still running through the radiator. The fluid goes into the bottom of the Radiator out the top through a fitting I installed out a rubber hose to the cooler out of the cooler throught another hose to the line that goes into tranny. I got a fitting for that too. I got the cooler from autozone. With kit 390 for GM this contains the fittings. The fittings are so you don't have to destroy any of the cars stock tranny lines. I have it right out front and it gets plenty of air.

I can take pictures for you tommorrow if you like. I have to stay at work at night tonite.
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Old 03-30-2005, 03:54 PM   #8
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These transmissions can get hot.... Depends on where you are climate wise, how hard you are driving, and or towing....

Down hwew in Florida I have seen 4T60'* burn up left and right...

The 4T60-E'* are a lot better...

And the 4T65-E is supposed to be an improvement over that... Most don't seem to fail from overheating these days...

But I still personally feel that it may be a good idea to have a trans cooler...

But again in the cooler climates you may not need one at all... But I feel its to each their own...


Both of my cars have trans cooler, of the Heavy Duty kind... Both coolers are actually more along the lines of motor home use... 25,000 lbs or something of the sort...

In both cars I actually use the stock cooler as well... I like to keep the trans temps between 160F and 180F or so... Before the cooler I was seeing as much as 230F<---- That was with my 180F T stat.... Now 180F seems to be a general temp for me...

The one thing that you have to keep a constant eye on tho is the cooler lines... Always make sure they don't leak, make sure that they are secure... If they pop off they could damage the trans or worst case cause an under the hood fire.. Good Luck..

Oh and how about a few pics of the install..

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Old 03-30-2005, 05:56 PM   #9
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sure there 91 vette, go ahead and snap and post a few pics, an ill post my pics on this topic when i get it installed, thanks alot for the advise and temp specs,

nicky
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Old 04-02-2005, 07:20 PM   #10
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Default 95 SE pulling trailer

I have a 95 SE, 3800 all the normal stuff. I installed a class II hitch and I am planning to pull a pop-up camper. Would you recommend a tranny cooler? If so, where do I get what I need and do you have part numbers?
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