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The rear brake pads on my Subaru Forester only had 2/32" left on them and have to be changed. Fronts are OK. What would make the rear wear so much faster than the front? I thought the opposite was true? Do I have to change rotors whenever I change brake pads if no damage is evident? Thanks

Answers from the Automotive Experts

Patty Streeter,  at Your vehicle may be out of alignment or perhaps you are not rotating your tires every 5-7 miles also which can cause uneven brake pad wear. Your driving style and your local road conditions can cause this as well, this is caused by two-footed driving or even the choice of pad materialÔÇ"certain pad linings simply wear more quickly than others. Rotors do not need to be replaced when brake pads are replaced unless they are damaged.

Amanda J. Pierce, MBA Diane, It is recommended that you have your rotors resurfaced when replacing your brake pads, if damage is not apparent you should still be aware of glazing on the rotors that can cause hot stops on our new pads which can cause premature wear. Rear drum brakes do tend to wear longer than front brake pads, course this can vary per drivability and terrain patterns.

Barb Petrey, President - DBK Enterprises Inc at Jiffy Lube Rotors can be used as long as they do not fall below minimum spec. Going thru rear brakes, do you tow often?

Helaine Kurot, Owner/Technician at 360 Automotive Usually the fronts wear faster than the rear, but not always. Some manufacturer's are using pads with less material to begin with on the rears. Before replacing the pads (next time), compare them to a new set and see how much material they start out when they are new. There may be other issues present too, such as a stuck caliper or slide pin, or dirt build-up on the hardware. As far as the rotors needing to be replaced, it depends on how much material is left on them and if they of a composite material (composite rotors do not resurface very well).

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