[plain OM]

Your 07 4-speed automatic requires Subaru ATF-Type HP, or an equivalent (although as far as I know there are no confirmed equivalents being marketed in North America). Also, the spin-on filter AT that Subaru uses is unique. It isn't changed often, but no aftermarket filter, even ones listed as fitting, are the same.

 

[rasterman]

Yeah, I say you can't go wrong with the Subaru HP juice for that model.

 

[pjk79]

Thanks guys, this is on my list of things to get done to the car before spring.

 

[TooSlick]

Amsoils 100% synthetic ATF works fine in this application. I ran it in my 2006 Outback with the four speed transmission and shifting was very smooth and consistent.

Draining the pan using the plug removes approximately four quarts of fluid. However it's best to measure how much drains out if you don't want to go through the process of getting the fluid level correct.

TS

 

[AWDFTW]

Subaru ATF-HP. Whatever you do, don't put Dex III in it. Your trans won't be happy with you.