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How do you check tranny fluid?

89463 Views 24 Replies 16 Participants Last post by  FJtest
Stupid question have a new 2012 FJ $ wheel auto Transmission cant find dip stick. where is it and how do you check fluid level. Is there a tranny cooler on this thing looks like it is part of the radiator and not seperate.
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I can confirm both 2011 and 2012 autos both have tranny coolers built into the radiator. I'd speculate that the 2013s have them also but there are quite a few other under hood changes so I couldn't be 100% sure without seeing one.
This should go without saying but make sure the vehicle is level when you pull the level check plug.

There are 4 ways that I know of to determine the ATF temp :

-) High Level (professional) Scan Tool
-) ScanGauge (2 options : torque convertor temp or valve body output temp)
-) Instrument Panel light after connecting 2 pins on OBDII connector (the light blinks when you are within a certain atf temp range)
-) Shooting the pan with an IR temp gun (less accurate than the above 3 but works just fine).

DEWFPO
Number 6473836 way to check temp, drive around for 15 min and then open the overfill plug.



Worked for me.


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Ummm ya, there is no way in hell I'm doing that. I don't even know where the overflow plug is, and I don't want to dump some fluid and have to refill it, etc.... I'm not a freaking mechanic...

Why didn't Toyota just put a damn dip stick on these things so normal drivers can keep an eye on their tranny fluid? This is the stupidest thing I have ever seen....

Sorry to vent.

-Hakrjak
No Leaks no problem that's why there is no dip stick atf does not evaporate
Not a dumb question. It is a seald transmission with no dip stick. Below is a link to "I drained my trans", which I did this past December.


The "I accidentally drained my transmission fluid...
I learned something today!:D
I learned something today!:D
Read the entire thread and you'll learn that it is NOT a 'sealed' transmission, it's entirely conventional except that the dipstick has been replaced with a level-check standpipe in the transmission pan.
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