Thread: AOD Problems
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Old 12-16-2009, 07:28 AM
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Trailerpro
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Join Date: Oct 2008
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Default AOD Problems

Hey all,

I have an AOD in my 81 F-100 that I'm building. It was running great, but I decided to mess with it anyway. I installed a constant pressure valve body by TCI in it a few weeks ago, and it started leaking out of the bell housing. I spoke to TCI, and they said it had to be a coincidence that the front seal blew the same time I put the valve body in. Well, I just figured they knew what they were talking about, so I pulled the tranny and put a new front seal in it (and a new 2800 stall converter since I was pulling it anyway). After installation, I filled it up with fluid, let it warm up and the fluid level was fine, no leaking. After a test drive of about a mile, I pulled back up to my shop, and it was leaking worse than it was before! Had about a 2' puddle form in about 30 seconds after I stopped.

Does anyone know if the valve body change could have caused this problem? Or what else could be causing this leaking?

Thanks!

John T.
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