If the brakes require more pedal effort when stopping and the booster is okay, the problem may be caused by:

Question

Quizplus · Accepted Answer

A sluggish or sticking caliper piston will require more pedal effort to stop the vehicle because it is not applying enough pressure to the brake pads. If the caliper piston is loose, it can cause brake fluid leaks and loss of braking power, but it would not necessarily require more pedal effort to stop.

If the Brakes Require More Pedal Effort When Stopping and the Booster