This sort of thing is usually caused by brake rotor thickness variation or out-of plane condition. Other possible causes are ovaled brake drums, bent hubs, bent (solid) axles, improperly seated brake rotor or drum.
a low brake pedal indicates worn brake pads and shoes.have then replaced
if the vehicle has a low brake pedal, check for brake fluid leaks, or out of adjustment brakes. if it is just low on fluid, check for worn out brake linings.
Hardness in the brake pedal can because by low brake fluid. Air in the brake lines can also cause the pedal to push hard.
A dashboard light appearing when brake pedal is depressed usually means brake fluid is low.
Chek your brake fluid level. There should be a reservoir under the hood, close to the firewall.
Low brake fluid in the master cylinder, or the emergency brake pedal hanging low by a click or two.
you most likely have low brake fluid or if it stops fine its just an annoying noise
You probably have air in the brake hydraulic line. Bleed the air out of the brake lines.
Try checking the brake light on / off switch. (BOO switch) It's behind the brake pedal, perhaps it's stuck or need replacement. Also, make sure the problem isn't that your brake pedal is so low that it won't come off the switch, if it is then either your brake booster is shot, or you need a pedal adjustment or other brake work.
Could be low on fluid, or your shoes are worn. See a mechanic
Master Cylinder low of brake fluid, grinding when the brakes are applied, and long brake pedal travel on a vehicle with brake shoes instead of brake pads.
I assume you are asking about the brake pedal. Might be due to low/no brake fluid in the reservoir, air in the brake line, possible leak in the brake line, or the master cylinder may not be working properly,