The one thing you do not want is to drive with faulty brakes. It's important to pay attention to the warning signs that may indicate you have faulty brakes. From shaking brakes to loud noises when you brake, below are some of the most common indicators that there may be something wrong with your brake system. Hearing strange sounds when you brake. One of the quickest ways to tell your brakes are having trouble or are soon due for a change is by listening to the noises they make. If you hear a grinding, knocking, rattling, or squeaking when you apply the brakes, you need to get them checked out. Most likely, your brake pads and rotors need servicing.Your truck leaves any liquid behind. If you notice a yellow or dark brown liquid under your truck, it may be leaking brake fluid. If this is the case, you need to get the leak repaired immediately.Your dashboard warning light goes on. Whenever you have problems with your brakes, your brake or check engine light will go on. If this happens, get your brakes checked. If you see a light on your dashboard, don’t ignore it.Your truck shakes when you brake. Even though a pulsing brake may indicate that your anti-lock brake is doing its job, shaking or vibrating could suggest a problem with your rotors.Soft brakes. If your brake pedal seems soft or spongy when you press it, you may have a problem with your brake shoes or fluid lines.Hard brakes. On the other hand, if your brakes are stiff, you may have a bad seal on the brake booster or a problem with your brake fluid. Either way, you will want to get it checked out.Your truck goes toward one side when you brake. An uneven hydraulic issue or a problem with your brake hardware may cause your truck to pull over to one side when you brake.