AE80F Transmission applications.

[bjowett]

While researching the 8 speed AE80F, I went down the rabbit hole and discovered(?) another whole world of design and application info. I was somewhat under the impression that it was supplied as a bit of a stop gap and used in very limited applications, mainly the updated 2016 200 Series. Turns out that is not case. First, the AE80F is based on the design and technology of the AA80E that came in cars like the Lexus LS 460 and IS F. Second, VW/Audi/Porsche found fit to install it in models from 2011 - 2018. This included some rather high powered versions. Torque ratings are WELL above the old AB60F 6 speed.

Land Cruiser

Porsche Cayenne Turbo

 

[TeCKis300]

I love this type of backing info which gives insight into the core architecture and applications.

Do you have any info as to the highest rated torque and hp variant?

 

[Moby]

Very happy to see this, thanks for posting! With the upcoming supercharger install on my 2020 one of my concerns has been the 8 speed. I'll still probably add an extra cooler but this certainly eases my concern a great deal.

 

[bjowett]

Using some of the Aisin code system here in order to help with ID between manufactures. Toyota AE80F = Aisin TL80NF. Most TL series transmissions pictured on the web and in manuals are the smaller car based series (like the TL80SD = AA80E), why the LC 8 speed uses this series prefix is a mystery at this point, as the case size and unit weight clearly match the Aisin TR Series. More digging into this convoluted naming system is required… or opening up a few different units and comparing parts.

As for torque, the best research at this point gives the highest torque version award to the TR82SD that is installed in the Cayenne Turbo. It’s rated at a large 1000 nm/737.56 ft-lbs. Higher ratings in these units come from, as one would expect, more numerous clutch and brake discs/plates, things like 5 pin platary gears instead of 4, and possibly torque converter internals. The LC rating is unknown, but does have clutch and brake numbers on the higher side of what is available, the planetary gears are an unknown.

VW has a neat little manual with the workings

https://at-manuals.com/wp-content/uploads/2019/tr80sd_manual_rukovodstvo_po_remontu.pdf

Toyota TIS has lot’s of info. If you don’t have access, there is some at the links.

manuals
http://zatonevkredit.ru/repair_manuals/
New cars features
Андрей Федорковский - http://zatonevkredit.ru/new_car_features/
Wiring diagrams
http://zatonevkredit.ru/schemes

 

[bloc]

@bjowett please don't take this the wrong way but you have the very best rabbit holes..