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DIY: Transmission Fluid Change

310K views 58 replies 32 participants last post by  jeff0000  
2009 wrx?

I'm planning on doing this, this weekend on my 09 WRX. Does anyone know if the instructions are the same, especially regarding what size torx driver I might need?
 
Thanks for all the replies! :p

Anyhow, just changed the tranny oil on my 09 WRX. And yes it does use the T70 bolt for the drain plug. I would highly recommend a breaker bar to break it loose. I got the T70 driver at autozone like someone else mentioned. I also picked up a funnell with a plastic accordian type hose for $3 which saved me removing the intercooler. :) I put in 3 quarts of the mythical "Extra-S" oil and that put me at the lower mark on the dipstick. I put in another ~1/4 bottle and now I'm in between Low and Full. Going to drive it around today and check the oil again before adding more. Thanks everyone for the helpfull info! Doing this was a snap and saved me $150 that the stealership wanted...:cool: