Centre diff on the Legacies and Imprezas..

Garvinator · 02-03-2001, 10:20 PM

Heyas.

I was just wondering what they use as the centre differential in these cars. Has it changed over the years?

do they use a Viscous Couple in all of them (auto and manual?)
cuz i think I read somewhere that the autos use electronically controlled clutches for the centre diff, while the manuals use a viscous couple.

thanks!

-G-

Garvinator · 02-03-2001, 10:39 PM

oops
my bad finally found some stuff with the search on the board. http://www.i-club.com/ubb-files/Foru...ML/000451.html
and http://www.i-club.com/ubb-files/Foru...ML/000635.html

but then this moves my question ot what is used as a L-R diff for the front and rear?

-G-

02-04-2001, 03:27 PM

Garvinator,

You are correct. The manual transmission cars use a viscous coupling and the automatics do use an electronically controlled clutch pack that sends more power to the rear axle when it is needed.

Punk

02-04-2001, 03:31 PM

Garv,

Both the automatic and manual Imprezas (model year 2000 and newer) use a viscous coupling in the rear differential while the front diff is open. Theoretically, if you lost complete traction in the rear and one tire in the front you would get stuck! Some earlier Subarus had mechanical limited slips on the front such as my old 85 RX Turbo.

Punk

02-03-2001, 10:20 PM	#1
Garvinator Scooby Newbie Member#: 3239 Join Date: Dec 2000 Location: Ottawa, Ontario, Canada	Centre diff on the Legacies and Imprezas.. Heyas. I was just wondering what they use as the centre differential in these cars. Has it changed over the years? do they use a Viscous Couple in all of them (auto and manual?) cuz i think I read somewhere that the autos use electronically controlled clutches for the centre diff, while the manuals use a viscous couple. thanks! -G-

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02-03-2001, 10:39 PM	#2
Garvinator Scooby Newbie Member#: 3239 Join Date: Dec 2000 Location: Ottawa, Ontario, Canada	oops my bad finally found some stuff with the search on the board. http://www.i-club.com/ubb-files/Foru...ML/000451.html and http://www.i-club.com/ubb-files/Foru...ML/000635.html but then this moves my question ot what is used as a L-R diff for the front and rear? -G-

02-04-2001, 03:27 PM	#3
PunksRS Guest Member#:	Garvinator, You are correct. The manual transmission cars use a viscous coupling and the automatics do use an electronically controlled clutch pack that sends more power to the rear axle when it is needed. Punk

02-04-2001, 03:31 PM	#4
PunksRS Guest Member#:	Garv, Both the automatic and manual Imprezas (model year 2000 and newer) use a viscous coupling in the rear differential while the front diff is open. Theoretically, if you lost complete traction in the rear and one tire in the front you would get stuck! Some earlier Subarus had mechanical limited slips on the front such as my old 85 RX Turbo. Punk