Axle bearings hold the brake rotor true without play while they both rotate.
Bad wheel bearing causing brake pedal to go to floor.
Brake pedal goes to floor when car is running maintenance nonperformance.
No brake pressure pedal goes to floor.
I would not focus on air in the system which would give a spongy pedal that i wouldn t expect to go away.
Brake pedal vibration.
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.
If there is a fluid leak this would not be the problem.
If your brake pedal sinks all the way to the floor when you press there can be many possible culprits for this problem.
This increase in air gap can cause the pedal to sink to the floor.
Worn tie rod ends a bad wheel bearing or upper strut bearing and even a bad front strut could cause it.
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.
The final reason for a brake pedal to go to the floor is failing axle bearing.
Well i had a wheel bearing go out on me.
If they don t this can cause brake overheating as well as.
The brake rotor must be either replaced or re lathed to make it perfectly flat.
I noticed you said to check for bearing play.
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.
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.
The failing bearing allows the hub to move around effectively pushing the brake pads back into the caliper as far as it can.
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.
While i was limping it off the road all the usual abs traction lights came on but the brake pedal also got real soft as in falls almost to the floor before it finds a hard bottom end so to speak.
This commonly occurs due to age and wear.
The third reason why your brake pedal may go down to the floor is because your brake booster is failing or is bad.
