Auto tranny line bolt size and pitch

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Supra0089

New Member
Jan 13, 2009
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New Hampshire
I am working with a performance shop around modding my mk3, including an external automatic tranny cooler. They are making me stainless lines to/from the cooler and the question they had that I couldn't find the answer to is:

What is the bolt thread pitch and bolt diameter/size of the line bolts that exit/enter the transmission?

I will be calling my Toyota dealership buddies tomorrow, but I figured I would post the question here in advance in case they couldn't answer for whatever reason.

Thanks in advance
 
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Supra0089

New Member
Jan 13, 2009
367
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New Hampshire
The Trans Case I believe. But if you know both the case and adapters IJ, that would be great to cover all bases.

I looked in the TSRM and didn't see it in there.

Thanks.
 
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IJ.

Grumpy Old Man
Mar 30, 2005
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I come from a land down under
Case is M14 x 1.5 straight and seals with an o-ring, DO NOT use a tapered fitting in there as it WILL split the case :(
(this I suspect is why I'm swapping cases at the moment)

The Adaptor is M16 x1.5.
 
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