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2008 OB recommends semi synthetic ATF


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2008 Outback suggests alternative Transmax J ATF. It is a part synthetic auto tranny fluid. I'm trying to stay clear of SOA fluid prices but it may be unavoidable as I can't seem to locate the alternatives on retail shelves. Anybody do their tranny drain and fill yet? I'm just shy of 33K miles.

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I understand you need fluid that meets "JASO 1A" standard. A cursory search shows that "multi-vehicle" ATFs sold under various brands, although not designated as semi-synthetic, fall into that category.

I don't know how old this standard is, but suspect that if it had been applied earlier, there would have been fewer occurrences of torque bind.

Edited by avk
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Car still under warranty so I went for the Subaru Fluid at $6.30 per quart.

The other fluids recommended in the manual aren't available.

Castrol Transmax-J is only available to Ford/GM/Subaru dealers.

Penzoil-J never went into production.

Captive audience for now.

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