The front rotors are out of round or warped, Need to have the rotors turned.
The Anti-Lock brakes pulsate so the brakes do not lock up (anti) and cause the vehicle to side out.
Warped rotors. Driving using the left foot to brake causes the rotors to heat up. Quenching the hot rotors by driving thru water will cause them to warp. The warped rotors cause the pedal to pulsate.
The most common cause of that is the front brake rotors are out of round / warped. Replace rotors are have them turned.
hard breaking or no back brakes. also, back brakes adjusted wrong.
You have warped the brake rotors. Driving fast & hard stopping or riding the brake will cause this when the rotor is hot and you are stopped with heavy pressure on the brake pedal. Replace rotors and pads.
Alot of cars have whats called a squealer on the front brakes . . . it makes the brakes squeal when you use them. . . if it doesn't then a good indicator is grinding cause that's telling you that the brake pads have wore down to nothing.
No. You will only need to replace the brake shoes if they are worn down. Generally the front brakes do 70% of braking leaving the rear with 30%, which will cause the front pads to wear first. What is important however is that you replace either front brakes or rear brakes as a set. i.e. if you're replacing the front brakes do the right and left side.
Warped front rotors are the most likely cause
The front brakes and rotors on a 92 Hyundai excel need to function properly to insure that the car stops quickly. A front brake problem can cause an accident or personal injury.
Front wheel shudder could come from worn tires, bad brakes, or worn front end components. Check all of these to find the cause of the shudder.
Possible worn out brakes
Warped rotor is the most likely cause.