“There is no recommended mileage or time for replacing disc brake calipers ... and overtightening mounting bolts. “Absolutely ...

Work on one side at a time and always keep one caliper mounted on the disc, because you will ... then undo the caliper mounting bolts. Remove the loosened brake pad retaining pin (if fitted).

Center the caliper over the rotor. Tighten the bolts and ensure the caliper remains centered during tightening. Note: For hydraulic disc brakes, caliper alignment is typically self-adjusting ...