I had my XC40 serviced at volvo after one year, and I noticed the front both brake pads are worn by 20%, while the rear ones are at 30%. Could someone explain why there's a 10% difference in wear between the front and rear pads?
I was told by a Volvo mechanic that back pads have a smaller contact surface with the disk compared with front pads, so in order to apply equal stopping force the smaller contact surface back pads will wear faster than the bigger contact surface front pads, as both front and back pads have identical thickness when new. It remains a debatable explanation: viewtopic.php?f=11&t=2994
I had virtually the same explanation as eugine when i asked the same question. I think its how the manufactures set the car up my 850R went through two sets of fronts to every rear as did my v70 T5 my friends v70
was about equal wear
Some premium-brand cars distribute equal braking power to back and front during light braking to minimize front end dive. Perhaps XC40 brakes are setup in a similar fashion.
