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Old Aug 5, 2024 | 02:25 AM
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10R80 Question

I saw a quick video on the torque converter for these transmissions. The guy said there is no input shaft seal or any seal to seal the TCC apply pressure. Nor did he even say where the TCC apply piston was located, the whole thing just looks goofy.
So how is it done, any real good pictures or real good cross section pics of it?
 
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Old Aug 5, 2024 | 01:45 PM
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The hydraulic converter circuit is sealed in the converter with a bushing that the input shaft rides in.

Watch to get an idea of how this converter works, it's a little different than most converters.
 
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Old Aug 6, 2024 | 01:18 AM
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That is the video that I watched. I have searched and found nothing. That guy shows and explains nothing. He said no input shaft seals, nor does he show where the TCC piston is and what would seal the fluid powering up the piston for the lock up clutch.

When I get time I plan to go to a very good torque converter rebuild shop near by and find out. Gosh even a very good exploded view of the torque converter shows no clutch piston. I guess a fluid diagram would be nice.

What happened to that Mark fellow on here that is a ford transmission engineer?
 
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Old Aug 6, 2024 | 07:01 AM
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he will be along shortly. but if i remember correctly he retired long before the 10 speed was planned.
 
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Old Aug 7, 2024 | 01:25 AM
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That would be nice. I hope he still has some connections at the former job. So far no one knows a thing about the TCC actuation piston.
 
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Old Aug 7, 2024 | 06:58 AM
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Read this article about this converter it will help you understand how this thing works.
 
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Old Aug 8, 2024 | 03:03 AM
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Nothing in the article about 10R80?

I'm early 70's I've been doing this stuff for years. I've had torque converters apart at age 14. I know very well how they work. That was a worthless article, to me. WHERE IS THE CLUTCH PISTON FOR THE 10R80 TCC? that is the question. The question is not how a torque converter works. I've worked at a job working on industrial machines engines and automatic transmissions and large torque converters. I'm not a dumb kid.
 
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