Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Brake System / Troubleshooting

- Troubleshooting Problem Symptoms Table Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem.Check each part in order.If necessary, replace these parts.

SymptomExpected causeCountermeasure
Lower pedal or sponge pedalBrake 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 dragBrake 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 brakePiston (trapped)Replace
Pad and lining (oil stain, cracked or twisted)Replace
Heavy pedal and brake troubleBrake 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 brakePad or lining (cracked or twisted)Replace
Looseness of wheel bolt and caliperAdjust
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 padCleaning
Corrosion on disc Test drive vehicle to get rid of corrosion between rotor and pads.
Caved discReplace
Poor braking performance
(at highway speeds)
Pad or lining (worned out)Replace
Master cylinder (malfunction)Replace
Brake vibrationBrake booster (Vacuum leaks)Repair
Pedal free separationAdjust
Master cylinder (malfunction)Replace
Damaged on master cylinder capReplace
Damaged on brake lineReplace
Caliper returning trouble (while tire is turning, check the noise)Replace
Transformed discReplace

    Brake System
    ...

    Specifications
    - Specifications ItemSpecification Master cylinderTypeTandem I.D. mm (in)22.22 mm (0.87 in) Piston stroke mm (in) 45 mm (1.77 in) Brake boosterType11" Tie-rod Boosting ratio10.5 : 1 Front dis ...

    Other information:

    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 ...

    © 2023-2025 Copyright www.htucson4.com