Differential drain plug socket size and drain plug gasket

[Andrew765]

Hey guys, I'm looking to replace the differential fluid on my 2014 legacy 3.6r. I am unsure what hex socket size I need and I also need the drain plug gasket but I can't find the part anywhere. If anyone can help me out with this it would be greatly appreciated. Thanks!

[Andrew765]

I am also confused to the fact that my car model has 3 different differential types and I have no clue what my car has.

[creep_nu]

i haven't changed my diff fluid in a while, but aren't the drain plugs 3/8 square?  like, the square drive on a 3/8 ratchet takes em off?

[DrD123]

Front differential takes a torx T70 and the gasket should be p/n 803926090.  The rear differential uses a 3/8 square drive as creep_nu said - there is no gasket on either the drain or fill for the rear differential (make sure you can get the fill plug out before you pull the drain plug!)

[silverton]

Front diff is a T70, rear diff is either a 1/2" square, not 3/8ths, or a H10...or 12?  pretty sure the 1/2" square is gonna be on the four cylinder models though, the six cylinder has a beefy rear diff and is likely the H10..or 12 but I really wanna say it's a 10..  brain fried I can't remember.

Edited June 9, 2023 by silverton