2000 S10 Brakes Grab Go To Floor

Braking for deer at night experiencing total master cylinder failure ie brake petal going down to floor board after initial small resistance.

2000 s10 brakes grab go to floor.

2 brke lines. I really think you still have air in the lines. So i ruled out the master cylinder since i just replaced it last week. 2000 blazer v6 4 3l.

The day before they worked perfectly fine and the next morning they went to the floor. I bled the brakes and the master cylinder at least 10 times. Well check the brake lines for leakage after adding brake fluid to the full mark. One of the reasons is the brake system loses pressure from an external brake fluid leak.

Brake light is on. Wihen i drive the truck the pedal goes all the way down and sometimes the brakes kicks up like the abs wants to kicks in but doesnt slow down the truck. Brake goes to the floor before braking. I have a nice firm brake pedal when the car is not running as soon as i start the engine the pedal goes almost to floor.

I had them bleed and still acting the same. This problem typically occurs after. To bleed manually start with the bleeder the greatest distance from the master cylinder car running helper pushing down about half way on brake pedal and releasing 3 times on 3rd time holding pedal down to half way depressed point while you. Easy to skid tires.

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. 1 leak from brake line or brake caliper. I just bought a truck and the person that i got it off of say there was air in the line because he put in a new brake booster and master cylinder and hasnt bleed the brakes correctly. The final reason for a brake pedal to go to the floor is failing axle bearing.

If the pedal gets hard after adding fluid and pumping it several times with the car off then the master cylinder is still ok. See all problems of the 1997 chevrolet s10. No brake fluid loss. If the brake pedal goes all the way to the floor it s likely there is a leak somewhere after the master cylinder.

Technically there are two main causes that would make the brake pedal sink all the way to the floor. Axle bearings hold the brake rotor true without play while they both rotate. If the engine isn t started the brakes seem fine but after starting the engine they go to the floor. After avoiding deer the brake petal would go to floor with no resistance.