Our car maintenance tips and tricks
Oct 03

Why does my brake pedal go to the floor?

If everything is ok with your car, your pedal will not go all the way down when you apply brakes.

The brake pedal is sensitive and responds to the pressure accordingly when braking. So, if your brake pedal does not feel firm when depressed and goes all the way down to the floor even when you apply slight pressure, or if it feels mushy, there is a problem.

A brake pedal that sinks all the way to the floor could indicate a problem with the brake master cylinder or it could be due to a brake fluid leak. In all situations, a detailed analysis is necessary; after the problem has been correctly identified, you may move on with the necessary repairs. The sole need in this situation is that you do not put it off for too long.

Any problems with your braking system may be hazardous to both you and other road users. If your automobile exhibits any of the following symptoms, we highly recommend that you check with a qualified mechanic. You do not want to cause an accident by neglecting to maintain your automobile while you have the opportunity.

What causes the brake pedal to sink to the floor?

There are two basic explanations for why this can be taking place, as was already explained. You are dealing with a brake fluid issue. This suggests that a brake fluid leak in the braking system may be to blame for the drop in brake fluid pressure. If there is a problem with the brake master cylinder, the fluid will get past the seals. In such instance, even if you slam on the brakes, your braking system will not react as expected or will not react at all.

How to identify and correct a sinking brake pedal issue?

Two of the most frequent causes of your brake pedal sinking to the floor when you apply the brakes have previously been mentioned. Here is how to identify and repair a brake pedal that has sunk to the floor as a result of a brake line fluid leak:

  • Start by examining the brake fluid level.
  • If the brake fluid level is optimal, then you do not have a brake fluid leak issue on your hands.
  • On the other hand, there is a leak problem if you discover that your brake fluid levels are low or if you are entirely out of brake fluid.
  • The first step is to inspect all of the brake lines coming from the wheels to see if there are any leaks.
  • The wheel cylinder must be changed, or the brake lines must be repaired if you discover a leak in the brake lines.
  • Typically, your brake warning lights may on if there is a brake fluid leak. If this does not occur and there are no outward indications of a brake fluid leak, your brake master cylinder may be at fault.
  • There are two sets of seals on the braking master cylinder. An interior leak may occur if the seals are compromised or wear out. The brake master cylinder will need to be changed if this is the situation.
  • If your vehicle is equipped with an antilock braking system (abs), a leak in the abs unit might cause the brake pedal to sink to the floor.

If you detect a problem with your braking system based on the above-mentioned symptoms, do not disregard it, and keep driving. Check your automobile with Smart Mechanics in Bishop Stortford for an accurate assessment of the problem and repairs. 

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