Volvo AWD With Active On Demand Coupling
Tomorrow's Technician
MAY 28, 2024
Courtesy of ImportCar by Bob Howlett When I started driving way back in 1977, it seemed like you had to buy a truck to get a 4WD vehicle. Volvo used that viscous coupler setup until about 2002, and then started using a Haldex clutch system that was much more forgiving if the tires weren’t exactly matched.
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