Wheel bearing disc brakes this is not as likely as the items listed above but a bad wheel bearing can cause the brake pedal to go to the floor as the rotor has different geometry in relation to the caliper.
Bad wheel bearing causing brake pedal to go to floor.
If they don t this can cause brake overheating as well as.
If this bearing goes bad it will allow the brake rotor it move back and fourth which pushes the caliper piston back into the caliper creating an air gap.
Those who slam on their brakes often or drive in stop andgo traffic may experience this problem faster than someone who doesn t stop as often.
If there is a fluid leak this would not be the problem.
Well i had a wheel bearing go out on me.
Worn tie rod ends a bad wheel bearing or upper strut bearing and even a bad front strut could cause it.
If your brake pedal sinks all the way to the floor when you press there can be many possible culprits for this problem.
Another uncommon cause of a soft pedal and long travel is a bad wheel bearing which is unrelated to the brakes except for being in the vicinity of the rotors.
More likely in my mind would be pad knock off due to slack wheel bearings or bad seals on the master cylinder or slave cylinder pistons.
This increase in air gap can cause the pedal to sink to the floor.
Brake pedal vibration.
But worry not this maintenance guide will give you the steps to troubleshoot and fix this issue of brake pedal goes to floor in under 45 minutes.
I would not focus on air in the system which would give a spongy pedal that i wouldn t expect to go away.
A common example is you might find the brake pedal goes to floor but still works.
The failing bearing allows the hub to move around effectively pushing the brake pads back into the caliper as far as it can.
The third reason why your brake pedal may go down to the floor is because your brake booster is failing or is bad.
If under moderate to stiff braking pressure you can feel the brake pedal shake under your foot this is a good indication that what you have is a warped brake rotor or other brake related issues.
This commonly occurs due to age and wear.
The final reason for a brake pedal to go to the floor is failing axle bearing.
I noticed you said to check for bearing play.
Your brakes should let go immediately as you take your foot off the pedal.
Brake pedal goes to floor when car is running maintenance nonperformance.
Axle bearings hold the brake rotor true without play while they both rotate.
