2004 Gmc Sierra Brake Pedal Goes To Floor

Pedal offers some resistance but can be forced to the floor.

2004 gmc sierra brake pedal goes to floor.

If no pressure builds up when pumping maybe wheel cylinder or caliper. System was only bled after the soggy pedal was found. 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. Added front pads and pushed pucks back then went soggy on the pedal.

Axle bearings hold the brake rotor true without play while they both rotate. The final reason for a brake pedal to go to the floor is failing axle bearing. 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. Reasons your brake pedal goes to the floor.

Pedal has remained at the floor. With truck running pump the brake pedal several times and hold pressure on pedal after third pump. One of the reasons is the brake system loses pressure from an external brake fluid leak. Technically there are two main causes that would make the brake pedal sink all the way to the floor.

Was in a panic stop. System was not opened. It s important to not pump the pedal when doing the one part of the bleeding. Do not let the reservoir go empty.

Rear system is in check and adjusted properly. The abs kicked in then the pedal dropped to the floor. A couple of ways to check. Pumping does not bring it up.

Does the pedal go to the floor with pressure on the pedal if so master cylinder. Bleed the rest of the system starting at the right rear and move to the left rear then right front and finally left front. I can still stop. Truck brakes were fine.

1 leak from brake line or brake caliper. I stopped just inches from the other car. 2000 gmc sierra 5 3 vacuum booster i just had the same thing. Took 100 feet to stop at 35 mph.

Pedal takes substantial travel to stop the truck.