The brakes worked just fine b4 the install and the vehicle just turned 50k miles so i don t think its the master cylinder.
2006 ford explorer brake pedal goes to floor.
Pull wheels of and check pads calipers disc lines for wear leaks if happy check power booster operation check for leak where master cylinder connects to booster also where brake lines connect to master mine was leaking where master joins booster solution 36 seal kit for master cylinder from brake place this.
But instead of the braking power increasing and you actually stopping the pedal swings to about 75 almost like if you had brake line leak and are spraying fluid out from the lines and losing brake power.
Adjust them manually and do not.
Start again starting from the longest line bleeding each in turn to the shortest line.
Had complete brake system overhaul including brake hoses.
If the fluid is full then continue onto brake fluid is full down further in this guide.
Pedal is better but still creeps slowly to the floor.
Using a flashlight check the level of the fluid or just remove the lid of the reservoir and look inside.
My mechanic and i have tried every type of bleeding and still the pedal goes straight to the floor with no resistance.
The brake booster master cyl rotors pads brake lines drums brake shoes and brake cylinders have all been replaced.
If you hit your ford f 150 or super duty s brake pedal and it goes to the floor stop the vehicle and don t drive it until you find a solution to this problem.
No leaks anywhere is it a bad new master cylinder or is there somewhere else that system can leak internally and not be noticed.
I have a 1994 ford explorer xlt 109 000 miles.
This article applies to the ford f 150 2004 2014 and f 250 super duty 2005 2014.
Make sure you have adjusted up the rear brakes before bleeding as every time you press on the pedal the shoes expand right out and when you take your foot off the pedal the shoes go all the way back in.
2006 ford e 250 replaced master cylinder with a brand new one and bled everything out real good.
Brake pedal is s read more.
Check the brake fluid level.
Pushing the brake pedal down feels like it will work normal until about 50 when the brake pads finally feel like they are contacting the rotor.
For the pedal to go to the floor there is still air in the brake system.
Anytime you have a brake pedal that goes to the floor raise the hood and locate the brake master cylinder s reservoir.
My ford f250 4x4 brake pedal goes to the floor when you start the truck and stay s to the floor until you shut the engine off then it returns.
The brake pedal is mushy spongy it goes to the floor the vehicle does stop.
If ipump them a bunch it will stiffen up but only for a couple seconds and its back to the floor.