Is It Normal To Replace Calipers When Replacing Pads?

John Paul, aka “the Car Doctor,’’ answers readers’ car-related questions.

Q. I have a 2003 Toyota highlander and recently had new front brakes installed. This included pads, rotors and calipers. My question is concerning the calipers; is it normal to replace calipers when replacing pads and rotors and what causes and under what circumstances are calipers replaced?

A. Calipers, the part of the braking system that provides the clamping force when stopping can fail due to rust. This rust is generally caused from moisture contamination of the brake fluid. Considering your Highlander is 11 years old replacing the calipers was most likely money well spent. If a brake caliper replacement is needed they should be replaced in pairs to provide equal braking performance.

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