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2001 S40...Need to do a Drain/Fill on tranny. I cannot find Mobil 3309 locally, but CAN find the Mobil Synthetic Trans. Is the Mobil Synth compatible with the fluid currently in my tranny. Because a drain and fill does NOT remove all the fluid, the two have to blend in a friendly manner. I don't want to mess this up $$$$!~
 

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2001 S40...Need to do a Drain/Fill on tranny. I cannot find Mobil 3309 locally, but CAN find the Mobil Synthetic Trans. Is the Mobil Synth compatible with the fluid currently in my tranny. Because a drain and fill does NOT remove all the fluid, the two have to blend in a friendly manner. I don't want to mess this up $$$$!~
That other one is not the same fluid. The only ones that are compatible are Volvo original ATF, Mobil 3309, or Toyota type IV.
 

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Is this a 4 speed or a 5 speed?
5 speed requires Mobil 3309 or a 3309 compatible fluid, a 4 speed uses Dexron 3
If it's a 5 speed go to a Toyota dealer and buy their fluid, same thing as Volvo fluid, 3309.
 
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