OEM Tranny Fluid

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Jan 13, 2004 | 12:04 PM

Wrxneffect

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Car Info: 03 Wrx black sedan + 2013 BRZ

OEM Tranny Fluid

Well after searching the forums and doing a lot of reading I have decided that I'm going to stick with OEM tranny fluid, but I went to the delaer today and they said that they don't sell the gear oil (should I have called it tranny fluid I wonder), so I was wondering what brand the OEM fluid is? From reading some post one guy mentioned that OEM is 'Castrol Multitrax 75w-90' can anyone confirm this?

Another questions of mine that I didn't really find an answer to is if it's ok to use synth oil in the rear differential? I know there are issues with synth oil in MT becasue of slippage issues but the rear tranny oil doesn't have any synchros, does it? Or should I stick with stock OEM fluid back there too?

For those who want to know I drive a 03 MBP sedan, 5MT.

Thanks for the help,

Jason

Jan 13, 2004 | 03:38 PM

SHADO

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Yes, over here in Australia they use Castrol Multitrax at the factory, i know because i called up Subaru and asked them, then i went it bought some from the auto shop and it has been alot better than any other fluid ive tried, and i previously had the Motul Gear 300 in there which is fully synthetic, and a few other oils, but i found this one was better, probably because the synthetic was to slipper for the synchro's.

You can use whatever you like in the rear diff, theres no synchro's in there only a few gears.

Jan 13, 2004 | 04:05 PM

Wrxneffect

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sweet!!! thanks,

Jason

Jan 18, 2004 | 11:06 PM

2004Wagon

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Where can you find Castrol Multitrax in the Bay Area (or online in the US)?

Jan 19, 2004 | 07:50 PM

jun-wrx

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Quote:

Originally posted by 2004Wagon
Where can you find Castrol Multitrax in the Bay Area (or online in the US)?

I also need to find this, can't seem to find a dealer online....

jun

Jan 20, 2004 | 12:25 AM

Wrxneffect

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Quote:

Originally posted by jun-wrx
I also need to find this, can't seem to find a dealer online....

jun

I looked at the castrol website for the USA and they don't have the multitrax here in the states, perhaps it's sold under a different name. On the castrol site in Australlia they have info on the multitrax, so looks like ya need to know some one down south to get the multitrax unless like I mentioned befroe it is sold under a diffrent name here.

Jason