Transmissions / Transfer Cases / Traction AidsThis area is for discussion, questions and problems with the FJ Cruiser's gear train, including topics on A-TRAC, VSC, locking diffs, gear ratios, manual vs. AT, etc.
If you know which end is up you can do a transmission fluid flush yourself (I know because I did it). Just read through this thread DIY Auto Tranmission flush? (and go out and look under your FJ to locate all the pieces/parts and then get started.
If that happened to me I would do a flush because I would be concerned that dirt got into the system.
You also said you were unsure of how much fluid leaked out... Here's a thought on how to get an idea. Before doing a flush - drain the pan. Everybody has said a full tranny will drain 3.1-3.8 qts from the pan. If you get 1 qt from the pan then you know you lost about 2 qts and change (it at least gives you an idea where you're starting from.)
The top-off part is easy (read the link). Just fill until fluid runs out of the overflow plug.
I lost some sleep over whether to do my own tranny flush but I kept reading (and looking under my FJ) until I understood what to do. It was dead easy. I did my flush almost 10k miles ago and no problems at all.
easy peasy man....anyone contemplating an AT flush don't be scared....if you got basic socket and wrench capability you can do this.....watch the above video mainly just to find the 3 different bolts on the tranny the pan ones are easy the top/fill bolt takes a little looking to find and requires a 15/16" or 24mm socket which is bigger then you'll have in a basic socket set and then of course a size 8 allen wrench for the overflow...and then i just followed Frank's post DIY Auto Tranmission flush?
and it's just that easy...oh i fabricated the clear tube 'beer bong' to fill from up top in the engine compartment and it worked great!!
you don't have a soul you are a soul you have a body
thanks Frank....that's the thread i finally found where i realized it is a sealed system...
I guess it depends on what your definition of a 'sealed' unit is. To me it's not a sealed unit. It has an easily accessible FILL plug, DRAIN plug, and LEVEL plug. It just doesn't have a dip stick (like so many others now-a-days) and obviously has a specific fill procedure to make sure the ATF level is correct as you would expect. Many of us have flushed it, just take your time. The only thing that is fairly important is to make sure the atf temperature in within the specified range when you are topping the fluid level. It's not at all as difficult as some make it sound.
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