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-   -   Extra-S confusion (http://www.wrxtuners.com/forums/f51/extra-s-confusion-45962/)

RoomTenONine 03-19-2014 03:25 PM

Extra-S confusion
 
So I got my 09 WRX Hatch, wanted to change its fluids so I got Extra-S from Fred Bean. When the weather went bad, I took it to a dealer for the change. I went to get the car they had put the regular fluid in the gearbox and diff, stating that the WRX had a different differential and couldn't use the Extra-S.

I'm no expert, but I've read about quite a few people running the 5MT with Extra-S. Assuming they didn't do something shady, who is misinformed here?

I guess if this is the worst thing that happens, I'm in good shape.

I've wanted one of these things since before they came to the states. Love it so far, except I live in the city and can't wind it out too often.

boo-key bear 03-19-2014 04:20 PM

Extra s is fine.

brfatal 03-20-2014 07:32 AM

The hell kind of shady dealership says you can't use Extra-S, which is SUBARU'S OWN TRANSMISSION FLUID!?

The rear diff uses something different, that's correct, but that's completely separate from the transmission.

boo-key bear 03-20-2014 04:50 PM

[quote=brfatal;442250]The hell kind of shady dealership says you can't use Extra-S, which is SUBARU'S OWN TRANSMISSION FLUID!?

The rear diff uses something different, that's correct, but that's completely separate from the transmission.[/quote]

Don't they both use the same thing? 75w-90?

arcticscythe 03-20-2014 05:39 PM

My guide says GL-5 for trans and rear diff, thats 75w90 in my book, sounds like the dealership may have had a green tech or they may be very particular about what exact fluid goes in during their installation. (some dealerships wont use your own fluids for liability reasons) last I checks extra-s is the subaru OEM oil so that may be "the regular stuff" they put in.

RoomTenONine 03-21-2014 09:42 AM

Thanks, I was worried I had missed something big. It has definitely happened before.

brfatal 03-24-2014 10:59 AM

[quote=boo-key bear;442329]Don't they both use the same thing? 75w-90?[/quote]

Yep, you can, but Extra-S has additives that are more transmission oriented. You can use it, but I'd opt specifically for straight 75w90 gear oil.


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