Quote:
Originally Posted by theadmiral976
If you're adamant on using the SST, you can see if any of these are the correct tool. I don't have the full BRZ service manual handy so I'm not sure what tool part number is required for the FA20 rear main. But there appear to be a few good candidates on this list...
https://subaru.service-solutions.com...=2&search=Seal
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From the Subaru manual
SST18671AA020, 18657AA030:

From the Toyota/Scion Manual SST: 09223-15030, 09950-70010, 09951-07150:
I might order an aftermarket Toyota SST kit or go with the PVC route; looks like it has additional tools which may come in handy if nobody sells just a seal tool for the FA20.
I compared the WRX and BRZ part numbers to be the same but they are different sizes according to two aftermarket tool suppliers (EJ VS FA) which is an unexplained mystery to me. The Toyota rear main seal part number appears to be SU003-02181. I've already ordered the Subaru compatible part number 80679201 and might order the Toyota part to compare and verify they are the same.