Not all 4 wheel drive systems are equal

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Not all 4 wheel drive systems are equal

AWD Discussion A forum dedicated to the AWD systems fitted to Volvo cars.

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Jul 2nd, 2017, 08:21	#7
Tannaton Bungling Amateur Last Online: Yesterday 15:41 Join Date: Aug 2014 Location: Beverley, East Yorks	They seem to do okay when it's one front wheel on the ground but not so well when it's one rear wheel. I think this is because with just one wheel of the axle on the ground the car is relying on both the AWD system to send power to both axles and the traction control to brake the free spinning wheel. On an older car, the rear brakes are more likely to have weakened than the fronts? The other thing I would add is there are not many real life situations where you would have zero traction on three wheels. Interesting the older V70 in this second vid which has thermo viscous coupling based AWD does okay on the one rear wheel test..... https://m.youtube.com/watch?v=CQPNH4XRbWA __________________ 2011 XC90 D5 Executive 2003 C70 T5 GT 2012 Ford Ranger XL SC 1977 Triumph Spitfire 1500 1976 Massey Ferguson 135 Last edited by Tannaton; Jul 2nd, 2017 at 08:26.

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