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6 Signs Brake Fluid Is Low In Your Car

by Lily Morgen
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Brake fluid reservoir

Your car’s brake fluid is an essential component of the braking system. It helps ensure maximum braking power and performance. Without enough brake fluid, your brakes may fail or not work as efficiently, leading to increased stopping distance and the potential for an accident.

How Does Brake Fluid work in Braking System?

The braking system is hydraulic and brake fluid is a type of hydraulic fluid, which means your braking system relies on brake fluid to provide the pressure required to slow or stop your vehicle.

Brake fluid works by transferring pressure from the braking system to the brake calipers, which then clamp down on the rotors and cause your vehicle to slow or stop. This transfer of pressure happens when you press down on the brake pedal. The more brake fluid there is in the reservoir, the better it is for your vehicle’s braking system.

6 Signs Brake Fluid is Low In Your Car

When brake fluid levels are low, it can cause a variety of problems with the braking system. Here are 6 signs that may indicate that your car’s brake fluid is low and you need to add more.

1. The Brake Warning Light Is On

Most vehicles will have a warning light specifically for the brakes. When that light comes on, it indicates there is a problem with the braking system. Low levels of brake fluid can be one cause for the warning light to come on.

2. Unusual Activation of ABS

Your car’s anti-lock braking system (ABS) is intended to stop your car from locking up and skidding when you apply heavy braking. If you find that the ABS is activating at low speeds or in normal driving conditions, it could mean there’s a problem with the braking system, and low brake fluid levels may be one of the factors.

3. You See Brake Fluid Level is low, Discolored, or Dirty

If you notice brake fluid in your brake fluid reservoir or cap is low, discolored, or dirty, this can be a sign of low brake fluid. You should ask a car mechanic to check your brake fluid level and color in the reservoir during your maintenance, and keep it at a normal level and clean.

4. Your Car Feels Like It’s Taking Longer To Stop Than Usual

When brake fluid levels are low, the braking system will require more time to slow and stop your vehicle. This can be dangerous if your driving habit is keeping a short distance from your front car. As you can see, you’ll easily get into a car accident if you drive on highways if your car takes an extra 1 more second to slow down as you’re at high speed.

5. The Brake Pedal Feels Spongy When You Press It

The brake pedal is typically firm when your car’s brake fluid levels are high. If you find that the brake pedal feels spongy, it may be a sign of low brake fluid. Sponginess can also mean there is air in the braking system, which needs to be purged from the system.

6. Noise During Braking

If you begin to hear a squealing or grinding noise when braking, it could indicate low brake fluid. This can also be caused by worn brake pads or rotors.

Why Brake Fluid is Low?

There are several reasons why brake fluid may be low in your vehicle. It could be due to a brake system leak, air in the brake lines, worn brake pads, or simply old brake fluid. If you’re unsure why your brake fluid is low, it’s best to have a professional mechanic investigate the issue and diagnose the cause.

Final Thought

As you know, driving a car with low brake fluid is dangerous and can lead to decreased braking performance and longer stopping distances. As a result, you’re easy to have an accident. 

If you notice any of the signs mentioned above, it’s important to have a professional mechanic check your brake fluid level and make sure your car is safe to drive.

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