Volvo all wheel drive explained | awd, 4x4, 4wd, 4motion, quattro, xDrive, SH-AWD, Haldex, Torsen, wiki - How it works

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Last changed: 2012/02/09 23:33 / History	Edit

850 AWD V70 AWD (1997-2002), V70 Cross Country (2000-2002), XC70 (2002) Volvo S60 AWD (2002) Volvo S60 AWD (2003-...), Volvo V70 AWD (2003-...), Volvo XC 70 (2003-...), Volvo S60R AWD, Volvo V70R AWD Volvo XC 90 (2002-...) 850 AWD(Edit) Automatic all wheel drive, torque transfer to rear axle via viscous coupling when front wheels slip, electronic traction control on front wheels, limited slip rear differential. Figure: Volvo 850 viscous coupling and disconnect unit (a freewheel) V70 AWD (1997-2002), V70 Cross Country (2000-2002), XC70 (2002)(Edit) Automatic all wheel drive, torque transfer to rear axle via viscous coupling when front wheels slip, electronic traction control on front wheels (TRACS - Volvo's brand of traction control). TRACS system works on speeds up to 40kph(25mph). Volvo S60 AWD (2002)(Edit) Haldex Generation I automatic all wheel drive. Volvo S60 AWD (2003-...), Volvo V70 AWD (2003-...), Volvo XC 70 (2003-...), Volvo S60R AWD, Volvo V70R AWD(Edit) Haldex Generation II automatic all wheel drive. In the US Volvo S60R and V70R was updated from Haldex II to Haldex III for the 2006 model year. Volvo XC 90 (2002-...)(Edit) Haldex Generation II automatic all wheel drive. All Volvos have Haldex Gen III since 2006(?)

Last changed: 2012/02/09 23:33 / History	Edit

There are 7 comments

Joel

March 01, 2010 - 20:20

disconnect unit

The 'disconnect' unit is a 'freewheel':
http://en.wikipedia.org/wiki/Freewheel

Reply to Joel

awdwiki.com

March 21, 2010 - 12:01

Thanks

George

January 11, 2010 - 00:42

Haldex iterations

In the US, the Volvo S60R (and V70R) was updated from Haldex 2.0 to Haldex 3.0 for the 2006 model year.
www.haldex.com

Butt

January 08, 2010 - 02:18

...

Very useful !! Thank you.

AWD

September 14, 2009 - 11:12

Opel/ Vauxhall Calibra/Vectra A

www.cavalierturbo.com

Zilesio

February 21, 2009 - 14:01

Mazda 323 GT Turbo 4WD

You forgot the Mazda 323 1.6 GT Turbo 4WD! (and/or 1.8 GTX)

We are again on a full-time AWD System with planetary gear center differential to split engine torque, electrically lockable via a button on the console that would have activated a Viscous Coupling unit.

Before 1990:
- Normal torque split 50/50
- 185/60R14 performance tires on 5.5J-14 alloy wheels

From 1990:
- Normal torque split of 43/57 (for a rear-wheel-drive feel) could be varied to 60/40
-195 / 60R-14 performance tires

Reply to Zilesio

awdwiki.com

February 21, 2009 - 19:05

Re: Mazda 323 GT Turbo 4WD

Yep, thanks for the info. Mazda 6 MPS is coming soon too.

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