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Old 02-05-2009, 09:24 PM   #1
Blue2002WRX
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Default Front differential fluid question?

Sorry for this question but I am confused. I had my car serviced at the local Subaru dealership today and asked them to change the oil, transmission fluid, and rear differential fluid. I've had the car for about 5 months and have no idea when the previous owner changed the transmission and rear diff fluids so I thought it was a good idea. On the receipt it says they changed the front and rear differential fluids. By front differential did they mean the transmission? I have no idea and just wanted to ask for verification. Any responses are appreciated, thanks.
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Old 02-05-2009, 09:43 PM   #2
JawKnee
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4EAT/Automatic?
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Old 02-05-2009, 09:46 PM   #3
Blue2002WRX
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5-speed. Sorry I forgot to include that
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Old 02-05-2009, 09:50 PM   #4
chazly413
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Front diff fluid change and transmission fluid change are the same thing on the manual. The 4eat has a separate front diff fluid change.
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Old 02-05-2009, 09:52 PM   #5
wheatpaste
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The front diff, center diff, and transmission all sit in the same box, in the same fluid.

I'm assuming they just changed the transmission fluid and the rear diff fluid. That's pretty much all you can do.
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Old 02-05-2009, 09:52 PM   #6
wheatpaste
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Bah. Beat me to it.
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Old 03-23-2009, 09:04 PM   #7
Boost2525
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Quote:
Originally Posted by chazly413 View Post
Front diff fluid change and transmission fluid change are the same thing on the manual. The 4eat has a separate front diff fluid change.
Sorry to resurrect a dead thread but I couldn't resist when I saw this. I just got into an argument with my local dealership this afternoon about this. (I'm doing my 30k myself but was curious how much money I was saving)

"I assume you're going to want both differentials and the transmission flushed".

"Yes... but the FD and MT share the same fluid... so quote it again without the extra charge for the front diff."

"No. You need both differentials flushed at 30k."

"Understood. The front differential is co-located with the transmission."

(repeat 10x)
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Old 03-23-2009, 09:07 PM   #8
Uncle Scotty
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Quote:
Originally Posted by Boost2525 View Post
Sorry to resurrect a dead thread but I couldn't resist when I saw this. I just got into an argument with my local dealership this afternoon about this. (I'm doing my 30k myself but was curious how much money I was saving)

"I assume you're going to want both differentials and the transmission flushed".

"Yes... but the FD and MT share the same fluid... so quote it again without the extra charge for the front diff."

"No. You need both differentials flushed at 30k."

"Understood. The front differential is co-located with the transmission."

(repeat 10x)

that dealer is tryin to pack sand up your ass
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Old 03-23-2009, 09:16 PM   #9
kx02wr
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lol yea def don't go back to that stealership do it yourself it's really easy.
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Old 06-29-2009, 02:20 PM   #10
isler45
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Hi guys, looking to change the fluids in my 2006 impreza 2.5i (automatic).

Which fluids do I need for the front and rear diff?
And should I change the tranny fluid? Im confused by this, in my service manual it just says to inspect it every 30k, never says replace.

I had the 30k mile service done at the dealership. Don't want to get ripped off again. Thanks
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Old 06-29-2009, 02:26 PM   #11
Scooby921
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Inspect the fluid most likely means check it and replace if necessary.

For the front and rear diffs you just need any normal differential/MT trans oil. I use Valvoline Syn or Mobil 1 75w90 in my rear diff.
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Old 02-23-2013, 04:10 PM   #12
Mocheen
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Quote:
Originally Posted by wheatpaste View Post
The front diff, center diff, and transmission all sit in the same box, in the same fluid.

I'm assuming they just changed the transmission fluid and the rear diff fluid. That's pretty much all you can do.
I'm assuming its all years? i have a 2008 WRX plan on changing it soon
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Old 02-23-2013, 09:17 PM   #13
point78
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Excellent use of the search! Yup, Trans and rear diff. Think 5qts will do it all ( I just got. '08 also, probably been looking up all the same stuff).
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Old 02-23-2013, 09:28 PM   #14
the suicidal eggroll
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Quote:
Originally Posted by Mocheen View Post
I'm assuming its all years? i have a 2008 WRX plan on changing it soon
Nothing major has changed in the drivetrain setup in the WRX since it came to the US in '02. Sure they've changed the limited slip, beefed up the tranny, etc., but the basic layout is all the same. Front and center diffs are still in the tranny casing sharing the same fluid, rear diff is separate.
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Old 02-24-2013, 08:49 PM   #15
subie bro
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just curious how much did they charge you =0
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