FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
how to fix a hard brake pedal on Ford F-150 13th Generation (2015-2020) - Ford F-150
Home/Cars/Ford/F-150/13th Generation (2015-2020)/how to fix a hard brake pedal on Ford F-150 13th Generation (2015-2020)

how to fix a hard brake pedal on Ford F-150 13th Generation (2015-2020)

Ford F-150 13th Generation (2015-2020)

Error Codes
2-4 hours
Time
medium
Difficulty
critical
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
546 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix a hard brake pedal on a 2015-2020 Ford F-150. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Brakes
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components.
  • •Allow the engine to cool before handling any components near it.

Symptoms

  • •Hard brake pedal with little to no travel
  • •Increased stopping distance
  • •Brake warning light illuminated on the dashboard
  • •Hissing noise when pressing the brake pedal
  • •Difficulty engaging brakes during operation

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Socket set
  • •Brake line wrench
  • •Vacuum gauge
  • •Screwdrivers

Parts Required

  • •Brake booster
  • •Brake fluid

Additional Information

Affected Component
Brakes
Estimated Time
2-4 hours
Difficulty
medium
Severity
critical
Tools Required
5 items
Parts Required
2 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Gather tools and parts needed for the repair.
  • Ensure the vehicle is on a flat surface and securely positioned.
  • Wear safety glasses and gloves.
2. Inspect and Replace the Brake Booster
  • Tools Required: Socket set, brake line wrench, vacuum gauge, screwdrivers.
  • Disconnect the negative terminal of the battery.
  • Remove the engine cover if applicable for easier access.

Sub-steps:

  1. Locate the Brake Booster:

    • Follow the brake pedal assembly under the dashboard to locate the brake booster.

  2. Check for Vacuum Leak:

    • Use a vacuum gauge to confirm the brake booster is receiving adequate vacuum.
    • If the gauge indicates low vacuum, inspect the vacuum hose for leaks or damage.

  3. Remove the Brake Booster:

    • Disconnect the vacuum line from the booster.
    • Unbolt the master cylinder from the brake booster and gently move it aside (do not disconnect the brake lines unless necessary).
    • Remove the bolts securing the brake booster to the firewall and carefully pull it out.

  4. Install New Brake Booster:

    • Position the new brake booster into place and secure it with bolts, torquing them to the manufacturer’s specifications (check service manual for exact torque values).
    • Reconnect the master cylinder to the new booster, ensuring the brake lines are securely tightened.
3. Test and Adjust the Brake Pedal
  • Reconnect the vacuum line to the brake booster.
  • Reconnect the negative battery terminal.
  • Start the engine and press the brake pedal several times to ensure proper operation and to check for any leaks.