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Old 05-09-2008, 07:11 PM   #1
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Auto Tranny Cooler Hoses ???s

Hello,

#6 in the picture below are the hoses from the tranny to the stock tranny cooler.

Do you know in which one the oild gos from the tranny to the cooler and in which one it goes bck to the tranny?

Is it easy to remove the hose from the cooler? Or do I need a special tool for that?

I want install an aditional tranny cooler tomorrow and want to know this before.

Thanks in advance.
nicolas-eric

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Old 05-09-2008, 07:22 PM   #2
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The hose that connects to the rear-most port on the transmission is the return line from the radiator. It connects to the right-hand side of the transmission as you look at the radiator from the rear (engine side) of it.

All you need to disconnect the hose from the radiator is a pair of pliers to squeeze the hose clamp and slide it up the hose an inch or two. Then the hose can be pulled off the radiator's barbed hose fitting fairly easily.

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Old 05-09-2008, 07:33 PM   #3
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thank you jerry for your answer !

some minutes ago i've read in the FSM about a quick connect oil cooler line fitting for that a special release tool is needed.
are you sure that there is a hose clamp at the radiator?

one more question.
what's the best way to put the new tranny oil cooler in front of the stock cooler? do i have to remove the stock cooler to put the new one behind the grille?
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Old 05-09-2008, 09:07 PM   #4
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Well, there's a hose clamp on my 3-speed tranny's original coolant lines, and that's also what came on new hoses I bought for it when I first installed the transmission. Why don't you just look at yours to know?

So far as how to get the cooler in front of the radiator, that depends on how big the one you bought is. Some have just removed the driver's side headlight and slipped it in from there but if yours is too big, just unbolt the radiator and install it. It's possible you can do that without draining it or removing the hoses if you're careful.
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Old 05-10-2008, 07:23 AM   #5
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today i looked under my jeep and noticed that i donīt have only a hose with a clamp.
it looks like this:



i can cut the hose and install 2 new hoses to the addidional tranny cooler. but for that i must know the inner diameter of the hose on the pic. the next car parts store or hydraulics store is 40 miles away and i must buy the connectors before i cut tha hose...

do you know the inner diameer of that hose?

thanks in advance.

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Old 05-10-2008, 11:14 AM   #6
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3/8" inside diameter, no clue what that is in a metric size.
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Old 05-10-2008, 11:33 AM   #7
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Quote:
Originally Posted by Jerry Bransford View Post
3/8" inside diameter, no clue what that is in a metric size.
thank you jerry !

with the new tranny cooler there came only one connector from 3/8" to 3/8" inner diameter. i will buy another one next week.
i wanted to be sure that i have the right connectors. with a cut through hose and the wrong connectors that would be a really big problem...

thanks again !!!

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Old 05-11-2008, 02:37 PM   #8
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Quote:
Originally Posted by Jerry Bransford View Post
3/8" inside diameter, no clue what that is in a metric size.
3/8" = 9.5 millimeter

i tried a 10 millimter connector from a budy but i canīt get the hose over it, not even with some vaseline.
will a 9 millimeter connector be ok? can i seal it up if i tighten up the clamp as much as possible?

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Old 05-11-2008, 02:40 PM   #9
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simply just cut the hose at the auto part store.. that way if it doesn't work out.. the distance isn't 40 miles.. its just the walk to the front door =p
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Old 05-11-2008, 02:51 PM   #10
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Quote:
Originally Posted by nicolas-eric View Post
3/8" = 9.5 millimeter

i tried a 10 millimter connector from a budy but i canīt get the hose over it, not even with some vaseline.
will a 9 millimeter connector be ok? can i seal it up if i tighten up the clamp as much as possible?

That's really odd, I'm using the OE coolant hoses and 3/8" barbs to fit them.

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