Brake jobs are a good source of parts and labor income for shops. When brakes wear out, most motorists just want you to fix the problem and restore their brakes to like-new condition with OE-equivalent replacement parts. But in some situations, there may be an opportunity to sell your customer on the benefits of upgrading certain brake components.
Let’s say a vehicle had 0.003” of lateral runout when measured at the outside face of the rotor. If this vehicle is riding on 205/55R16 tires, in just one mile, the high-spot with 0.003” of runout goes past the caliper approximately 836 times. Over the course of 6,000 miles, that spot on the rotor will