The back brakes are low but in good condition not like the fronts at all.
Chevy truck brake pedal goes to the floor.
My 04 hd had the pedal go to the floor but it was because the every hard line ruptured.
Reasons your brake pedal goes to the floor.
I can still stop.
But if there is no leaking fluid then that s not your issue.
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.
I would bleed the master cylinder which can be done in the truck.
I then start the truck and the pedal goes to the floor.
One of the reasons is the brake system loses pressure from an external brake fluid leak.
I pump it several times with the engine running and it makes no difference in feeling.
The fronts allow pedal travel to about 3 4 of the way to the floor and push fluid but then the pedal stops hard wont go to the floor and the fluid trickles out.
I looked all around the truck for leaks from brake fluid there is none and the brake resiviour sorry for the spelling is still full.
Check the backside of each tire.
Well today is the first snow we ve had first ive driven it in the snow.
If the reservoir is empty or the brake fluid level is low there is most likely a leak somewhere in the brake system.
Finally there is a little switch under your dash that is held down turning the brake lights off when the brake is up.
With the engine off the pedal feels very solid.
Also brake pedals tend to go to the floor when there is air in the line and they need to be bled but this only happens when the pedal is depressed.
I took the truck on a 30 minute drive the other day and on the way back home my brake light came on and the pedal goes almost to the floor.
The final reason for a brake pedal to go to the floor is failing axle bearing.
When bleeding rear wheels the pedal will go to the floor when the bleeder is open.
The first thing to check when your brake pedal goes to floor is to raise the hood and check the brake master cylinder s reservoir.
Just disconnect the lines connect up bleeding fittings and hose and pump away.
Technically there are two main causes that would make the brake pedal sink all the way to the floor.
1 leak from brake line or brake caliper.
I have a 95 k1500 chevy stepside 350 truck with automatic trans.
Axle bearings hold the brake rotor true without play while they both rotate.
The leak may coming from a brake line or one of the brake calipers on your vehicle.