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You replaced your rotor on the front driver side of 1990 F250 but brake peddle goes all way to floor you have tried bleeding them in no change what else can do?

Here are some other potential causes and solutions for a brake pedal that goes all the way to the floor after replacing the rotor on the front driver side of a 1990 F250:

1. Air in the brake line: Double-check the bleeding procedure to ensure all the air is removed. Use a proper bleeding kit and follow the recommended sequence for your vehicle.

2. Damaged or faulty master cylinder: Inspect the master cylinder for leaks or damage. If there is any issue with the master cylinder, it may not be able to generate sufficient hydraulic pressure to actuate the brakes.

3. Worn or damaged brake pads: Make sure the brake pads are in good condition and have sufficient material left. Worn-out brake pads can reduce braking effectiveness and cause the pedal to go to the floor.

4. Problem with the brake booster: The brake booster assists in amplifying the force applied to the brake pedal. If the brake booster is malfunctioning or has a vacuum leak, it can affect the pedal feel and cause it to go to the floor.

5. Leaking brake lines or hoses: Check the entire brake system for leaks, especially around the connections and hoses. Any leaks can cause loss of hydraulic pressure and result in a spongy or low brake pedal.

6. Faulty proportioning valve: The proportioning valve distributes brake fluid to the front and rear wheels. If the proportioning valve is faulty, it can affect the brake balance and cause the pedal to go to the floor.

7. Incorrect installation: Make sure the rotor and other brake components are installed correctly. Improper installation can affect the proper functioning of the brakes.

If you have gone through all these checks and the issue still persists, it's recommended to seek assistance from a qualified mechanic who can diagnose the problem accurately and perform any necessary repairs.

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