95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

Tranny cooler under truck?

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Old 10-09-2005 | 04:14 PM
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Question Tranny cooler under truck?

What is the cooler under the truck for? It's an auto of course. Its on my 89. I know I have one on the radiator. I think it is a stupid place to put it. Do you relocate it? Mine isn't leaking but if I sneeze on it it probably will.

James
Old 10-09-2005 | 04:17 PM
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Pictures would help.

Aftermarket tranny cooler? Longer hoses, relocate to the radiator. Nothing to it. The OEM cooler on the radiator is the AC condenser and the power steering cooler.

Old 10-09-2005 | 04:19 PM
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GM has done this on some deisel trucks. It's just a longer routing allowing for the transmission fluid to cool better.
Old 10-09-2005 | 04:39 PM
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You must be refering to the transfer case oil cooler that is bolted to the frame under the passenger floor board. You have to relocate it if you want to install headers on the 3.0/auto. Downey sells a kit to replace/relocate it for about $100.
Old 10-09-2005 | 08:46 PM
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Originally Posted by mt_goat
You must be refering to the transfer case oil cooler that is bolted to the frame under the passenger floor board. You have to relocate it if you want to install headers on the 3.0/auto. Downey sells a kit to replace/relocate it for about $100.
Transfer case cooler? Is it necessary to have? If it start leaking, can I bypass it?

James
Old 10-09-2005 | 09:36 PM
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Toyota put it there for a reason...

I've never hit mine and I rockcrawl moderate trails.
Old 10-10-2005 | 04:29 AM
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OT: Does the 3rd gen also have this transfer case cooler? I don't have one on mine.

Thanks.
Old 10-10-2005 | 06:51 AM
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I'm pretty sure its only on the 3.0/auto transfer case.

I think someone would be asking for trouble to remove it and go with no cooler at all.

The cooler is up out of the way enough for me, there are a lot of other things hanging below it that would get hit before it.
Old 10-10-2005 | 07:00 AM
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Originally Posted by mt_goat
I'm pretty sure its only on the 3.0/auto transfer case.
Actually on the first gen 22re automatics (at least with the turbo models) they came with a tranny or transfer case cooler too.

The 87 body I bought had it bolted like mt_goat said, under the passenger floor board. I just didnt know where it connected to because I bought the truck without engine, tranny, or transfercase.

Last edited by cabbage; 10-10-2005 at 07:02 AM.
Old 10-10-2005 | 03:12 PM
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Yeah but this thing is rotted. I dont want to touch it but I know it will fail on the trail. One good wack of a stick or a rock and I will be dead in the water. I usually dont bypass stuff unless I know it wont hurt it. I can always make one if needed.

James
Old 10-10-2005 | 04:56 PM
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Yeah, you can always replace it with a small tranny cooler or maybe a power steering cooler. I wouldn't bypass it completely.
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