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Automotive Transmission Forum

Professional automotive forum for discussion of system analysis, diagnosis, and repair of vehicle transmissions, transaxles, and drivetrains. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Classifieds Forum.

Recent Automotive Discussions in the Automotive Transmission Forum

Toyota/Lexus UA-80 Transmissions
03/04/2026 in the Transmission Forum
My niece and nephew have a 2019 Camry with 35k miles and a 2025 Grand Highlander with 16k. I understand that both are equipped with versions of the UA-80 transmission. I see that there is a class-action lawsuit pertaining to this transmission. I have read...
8HP70 fluid
02/13/2026 in the Transmission Forum
Parts store catalog list Dexron VI for the Chrysler 8HP70 trans. Is that ok to use. OE fluid is so pricey. Found some ZF fluid online a little cheaper.
Transfer case fluid
02/08/2026 in the Transmission Forum
[Miscellaneous: 01 Ford F-250 Super Duty Lariat 5.4L] I am going to change the fluid in the transfer case . No problems just gonna do it because it has 247k miles on the clock. Can anyone tell me what today's recommended fluid type is? I have found so ma...
Hey, is that a tumbleweed?
02/03/2026 in the Transmission Forum
So, I guess we need a new transmission forum representative; it seems the skin was not as thick as expected, and the guy bolted. So now we have another quiet forum, I guess I'll have to look up YouTube videos on my own. That being said, how's your transmi...
Additive for TC shudder
01/16/2026 in the Transmission Forum
Various transmissions have issues with torque converter shudder. Is there a particular "additive" that is helpful? Maybe there are different additives for different transmissions. I have heard that the Ford limited slip differential additive works on some...

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