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overview of how to change the CVT fluid in a 2019 Corolla Hatchback XSE.

supplies and tools needed
(2) 4 liter containers of Toyota CVT FE fluid. Part number 08886-02505. (Can probly get away with just one container but it is very close. So best to get 2.)
Fluid transfer pump
Scan tool capable of reading trans fluid temp (their is another way around this but this is the easiest method)
24mm socket
10mm socket
Clip removal tool or flat head screwdriver
10mm allen socket or allen wrench
6mm allen socket or allen wrench

Obviously a lift, or jack and jack stands, ratchets, drain pan, tools to remove tire, and also very helpful to have a container to measure the exact amount of fluid drained from transmission.

How to
lift car off of ground making sure it is level
remove driver front wheel
remove several plastic clips and 1 10mm self tapper holding plastic cover on.
remove several 10mm screws, and plastic clips holding under tray on and remove under tray
from behind the cover you removed in the driver front wheel well, locate 24mm fill bolt stamped "FE" on side of transmission and remove.
remove 10mm allen head drain bolt from under trans
once about a half a quart of fluid drains and slows to a drip, use 6mm allen to remove plastic level tube and drain remaining fluid
once fluid has drained, re-install plastic tube (hand tight) and drain bolt.
measure fluid drained (should be about 4qts).
using transfer pump, pump new fluid into drain port (you will want to pump in about half a quart MORE then you drained. This is why you want to measure what was removed).
re-install fill bolt
start car and cycle through gears several times.
using scan tool, monitor trans fluid temp
once fluid gets between 95-113* F, with the car still running, go underneath and remove 10mm drain plug once again
once fluid draining goes from a steady stream to a glug, that means the fluid has drained down to the top of the plastic tube. Quickly re-install drain plug. (only about the amount of fluid that you overfilled should come back out before fluid starts to glug) re-install undertray, plastic cover, wheel, and you are done.