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Old 05-06-2003, 05:58 PM   #1
lushboy
Scooby Newbie
 
Member#: 16360
Join Date: Mar 2002
Location: Sacramento, CA
Vehicle:
2002 Legacy LTD OBW
Black Granite Titanium

Default Diff question

Probably a noob question here, but for our outbacks, how many diff's are there? 3 or 2? I know the center diff is of viscous type (or is it?), what kind is in the rear? Do we have one in the front? If so, what kind?

Thanks..
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Old 05-29-2003, 04:08 AM   #2
samtheblur
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Member#: 21164
Join Date: Jul 2002
Vehicle:
1998 Legacy Outback
Blue

Default Depends

That depends on the type of transmission. 4EAT's have 3, 5MT's have only two.
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Old 06-24-2003, 03:49 AM   #3
sebberry
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Member#: 38617
Join Date: Jun 2003
Location: BC, Canada
Vehicle:
2005 Outback XT
GRP

Default

On the new Outbacks, the setup is as follows:

All have a front "open" differential

All except for the VDC have a "Limited Slip" rear differential

The VDC has an "open" rear differential. (Limited-slip like action supplied by the VDC braking system)

VDC uses a planetary gearset and a clutch pack to transfer up to 100% of the torque to either axle.

4EAT models (Non VDC) have a center clutch pack that distributes torque to the rear wheels when one or both front wheels starts to slip, and also under accelleration.

5MT modelt have a center "viscous" differential that, when the front axle spins faster than the rear, it shears the fluid in the diff which almost locks the front and back axles together.

I know that is more than you asked for, but it explains each system.
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Old 06-30-2003, 02:21 PM   #4
lushboy
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Member#: 16360
Join Date: Mar 2002
Location: Sacramento, CA
Vehicle:
2002 Legacy LTD OBW
Black Granite Titanium

Default

Ah, thanks for the clarification!

I was wondering because I got stuck in a mud ditch and my front wheels where just spinning and I had the clutch smoke coming out of my hood. I was able to slowly backup, but won't go forward.

Anybody put in a front LSD?
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