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Old 10-25-2006, 12:51 PM   #1
awdguy
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Join Date: Apr 2004
Location: michigan
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2004 wrx
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Default trans oil change: do it myself or dealer

The dealer servive has a BF machine that will clean the entire trans but will it be fine if i just drain it myself and refill?
It may not be clean but will it be clean enough if I drain and refill?
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Old 10-25-2006, 01:52 PM   #2
Pain++
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2006 WRX: Stage 2
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While I haven't had to do it on my WRX yet <way too low mileage > it seems that many on the forums do it themselves w/o too much of a problem.

http://forums.nasioc.com/forums/show...49&postcount=5

Happy wrenching
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Old 10-25-2006, 02:19 PM   #3
dowroa
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No More Subarus :(
Only a truck, for now. ;)

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Wow. Just get the right fluid, and this is like a 15 minute change. Getting the Subaru OEM fluid is what I suggest, but THAT part is up to you. If you can change oil, you can change the tranny fluid.

I have used the OEM ExtraS on the STI and RS, and only the STi it seems to matter. Regardless, I used it on both.

Good luck.

- dow
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Old 10-25-2006, 02:26 PM   #4
sigurd
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psm

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yeah man really easy. I did it on my lunch break at work 45min. even had time for a little test drive.

oh and that was also including differential fluid. You should go ahead and do that aswell. Just as easy and you just have to buy 1 qt. more.


remember 3.7qt in tranny and .8 qt in differential. Mine took 3.5qt to fill it back being you wont get all of it out. Drain it warm you will get a bit more fluid out and quicker.

oh and personaly I think those flushing systems are bs. In fact I think they do more harm than good. Just drain it and put some new juice in there and your good to go.
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Old 10-25-2006, 02:28 PM   #5
Sausage
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Take a look under you car first. You might need a t-70 torx bit for the drain plug. that's what it was on my 05. You can't find em anywhere except online
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Old 10-25-2006, 02:29 PM   #6
sigurd
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Quote:
Originally Posted by Sausage View Post
Take a look under you car first. You might need a t-70 torx bit for the drain plug. that's what it was on my 05. You can't find em anywhere except online
yeah I ment to say that. Dunno bout the 04' though. Mine was just a regular bolt head.
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Old 10-25-2006, 04:48 PM   #7
jdbewl01
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Quote:
Originally Posted by Sausage View Post
Take a look under you car first. You might need a t-70 torx bit for the drain plug. that's what it was on my 05. You can't find em anywhere except online
not necessarily true. i got my 1/2" t-70 at a tool supply place that's open to the public for about 6 bucks. most cities have something like this. just changed my fluid over the weekend to scotty's cocktail. already noticing a difference. good luck,

-jeremy
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Old 10-25-2006, 04:52 PM   #8
Mulder
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Quote:
Originally Posted by awdguy View Post
The dealer servive has a BF machine that will clean the entire trans but will it be fine if i just drain it myself and refill?
It may not be clean but will it be clean enough if I drain and refill?
Do you have a manual trans or auto? There is no machine to "clean" a manual, it's just drained and refilled. Even with an auto, the flush isn't necessary on a relatively low mileage car that has had regular service.
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Old 10-25-2006, 05:03 PM   #9
awdguy
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Quote:
Originally Posted by Mulder View Post
Do you have a manual trans or auto? There is no machine to "clean" a manual, it's just drained and refilled. Even with an auto, the flush isn't necessary on a relatively low mileage car that has had regular service.
i have an manual transmission, with 80000 miles on it. i do the oil changes regularly and air filters that all.
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