Symptom | Expected cause | Countermeasure |
Lower pedal or sponge pedal | Brake system (oil leakage) | Repair |
Brake system (air inflow) | Air bleeding out procedure | |
Piston seal (worn out or damaged) | Replace | |
Rear brake shoe separation (faulty adjustment) | Adjust | |
Master cylinder (malfunction) | Replace | |
Brake drag | Brake pedal free separation (minimum) | Adjust |
Parking brake cable length (adjustment trouble) | Adjust | |
Parking brake cable (trapped) | Repair | |
Rear brake shoe separation (adjustment trouble) | Adjust | |
Pad and lining (twisted or cracked) | Replace | |
Piston (trapped) | Replace | |
Piston (frozen) | Replace | |
Anker or return spring (malfunction) | Replace | |
Booster system (Vacuum leaks) | Repair | |
Master cylinder (malfunction) | Replace | |
Uneven brake | Piston (trapped) | Replace |
Pad and lining (oil stain, cracked or twisted) | Replace | |
Heavy pedal and brake trouble | Brake system (oil leakage, air inflow) | Perform air bleeding procedure |
Pad or lining (worned out) | Replace | |
Pad or lining (cracked or twisted) | Replace | |
Rear brake shoe separation (adjustment trouble) | Adjust | |
Pad or lining (oil stain) | Replace | |
Pad or lining (slippery) | Replace | |
Disc (scratched) | Replace | |
Booster system (Vacuum leaks) | Repair | |
Noise from brake | Pad or lining (cracked or twisted) | Replace |
Looseness of wheel bolt and caliper | Adjust | |
Pad sliding trouble (Pad uneven worn out) | Replace | |
Pad or lining (dirty) | Cleaning | |
Pad or lining (slippery) | Pad replacement | |
Anker or return spring (malfunction) | Replace | |
Brake pad shim (damaged) | Replace | |
Hold down spring (damaged) | Replace | |
Foreign substance stucked between disc and pad | Cleaning | |
Corrosion on disc | Test drive vehicle to get rid of corrosion between rotor and pads. | |
Caved disc | Replace | |
Poor braking performance (at highway speeds) | Pad or lining (worned out) | Replace |
Master cylinder (malfunction) | Replace | |
Brake vibration | Brake booster (Vacuum leaks) | Repair |
Pedal free separation | Adjust | |
Master cylinder (malfunction) | Replace | |
Damaged on master cylinder cap | Replace | |
Damaged on brake line | Replace | |
Caliper returning trouble (while tire is turning, check the noise) | Replace | |
Transformed disc | Replace |
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Used Vehicle/Digital Key
Maintenance
Purchasing used vehicle
Delete Digital Key Settings When
Purchasing a Used Vehicle
If any digital key (smartphone key or card
key) is already registered when you press
the Push Button Start ignition switch, the
message, “Digital key(s) active” appears
on the instrument cluster once. ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Vehicle Stability Management
(VSM)
Vehicle Stability Management is a
function of the Electronic Stability
Control (ESC) system. It helps the vehicle
stay stable when accelerating or braking
suddenly on wet, slippery, and rough
roads where traction over the four tires
can suddenly become uneven.
WARNING
VSM is not a subs ...