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Old 10-12-2012, 12:30 AM   #1
Scooby Newbie
Member#: 334857
Join Date: Oct 2012
Default Looking to change a 2008 Subaru Impreza automatic transmission fluid

I've tried to search through this site looking for a DYI section that covers the Auto Trans Fluid change process for a 2008 Subie Impreza 2.5i. The only ones I've found are for MT. Same? I dunno, I'm use to working on VW's where nothings the same.

I bit of history, its an 08 as described above with the Automatic. What prompted this is the dipstick "on the drivers side" found way out of the tube covered with grime and dirt in the tube. Cleaned it up the best I could, fluid is still honey colored. I'm just worried about all the sand that was stuck to the stick as I was cleaning it up. Sand and gears not good I'd assume.

Anyone point the new guy in the right direction?
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Old 10-12-2012, 01:00 AM   #2
Uncle Scotty
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Member#: 16200
Join Date: Mar 2002
OK Houston
we have an Uncle


i wouldnt worry about it
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Old 10-12-2012, 08:10 AM   #3
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Member#: 334857
Join Date: Oct 2012

Ok, the other item in this regard is. The fluid is at max full on dead cold. Not sure what the subie guys did when we had it in last time (40k) but I just want to make sure its right.
Thanks for the response.
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Old 10-12-2012, 12:51 PM   #4
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Join Date: May 2005
Chapter/Region: AKIC
Location: Oregon Coast/AK
02 Old but tasty


If its max full at the cold reading mark...then its full. Leave it alone.

Not just for sounding like a wizard or anything... but read the owners manual too.

Last edited by 02redwagone; 10-12-2012 at 01:03 PM.
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Old 10-12-2012, 01:52 PM   #5
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Member#: 334857
Join Date: Oct 2012

To clarify, there's a HOT and Cold line on the dipstick. The oil level is at the hot line when I checked it (i.e. the transmission was cold). So its overfilled by my understanding.

Thanks for the insight. I'll just keep looking around, trying to get use to the forum.

Last edited by xclayx; 10-12-2012 at 02:32 PM.
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Old 10-15-2012, 03:06 PM   #6
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Join Date: May 2011
Chapter/Region: Tri-State
Location: New York
2008 FXT


Take the bolt off the tranny pan, replace new washer gasket, the same amount you took out measure and replace. If you feel it was overfilled add slightly less than what you took out. Run the car and check the hot level. You'll only take out about 3.5 quarts with a drain and fill, so you will have to repeat the drain and fill a few times. You should do the front and rear differential at the same time. Front diff needs a T70 tip which you can find at AutoZone with luck. The rear diff you can use the head of a 1/2" ratchet or breaker bar carefully, although the actual tool is 13mm. If you search there are threads, though you can pm me if you want to.
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