Question about 2003 Jeep Liberty
HI. If the sound is a metal to metal sound(piercing), this will be caused by the brake warning tabs on the brake pads. This is there to warn you of brake pad ware. You will need to schedule a brake job soon. you will need new pads very soon. This will occur upon pressing the brake pedal to stop the vehicle. Once the pads ware down to the tabs, they will make contact with the rotor and emit a piercing screech to warn you of the issue. Simply replacing the pads will correct the problem.
Now, if the rotors are red hot and you are hearing a grinding noise, this will be brake drag. You will need to have the entire brake assembly inspected for issues with the lines and calipers.
Concerning the brake fluid:
Brake fluid can be monitored by checking the brake reservoir under your hood on the left or right side of the engine compartment(depending on your orientation to the motor). This reservoir will be mounted in front of the master cylinder and is usually a plastic cup with a black top. If that reservoir is below specifications, re fill to specs. Low fluid will not necessarily cause noise. it will cause a loose of pressure, thus not allowing you to press and apply the brakes as designed. Its a hydrylic system. No fluid equals no brakes.
Posted on Aug 20, 2010
Check the reservoir under the hood.
The brakes making noise has nothing to do with fluid level, though.
There's a good chance your brakes are glazed from overheating or they are in need of replacement. There are sometimes pieces of metal which rub the rotor and make a loud squealing noise when you press the brake - they're wear indicators.
Posted on Aug 20, 2010
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Posted on Jan 02, 2017
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