my Ford Explorer Fifth Generation (2011-2019) brake pedal goes all the way to the floor

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

critical

Severity

3 min read

512 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 the brake pedal going to the floor in a Ford Explorer (2011-2019). 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 battery before working on electrical systems.
•Allow brake components to cool before handling.

Symptoms

•Brake warning light illuminated on the dashboard
•Soft or spongy brake pedal feel
•Increased stopping distance
•Brake fluid leaking under the vehicle
•Unusual noises when pressing the brake pedal (e.g., grinding or squeaking)

Diagnostic Steps

1
Inspect brake fluid level in the master cylinder reservoir.
2
Check for visible leaks in brake lines, hoses, and around the calipers.
3
Scan for any error codes using an OBD-II scanner.
4
Inspect the brake pads and rotors for wear.
5
Test the brake booster for proper operation.
6
Examine the brake master cylinder for signs of failure.

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
•Brake line wrench set
•Socket set
•Torque wrench
•Brake bleeder kit
•Jack and jack stands

Parts Required

•Brake fluid
•Brake lines (if damaged)
•Brake pads
•Brake rotors (if worn)
•Brake master cylinder (if faulty)

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Diagnostic Steps

1
Inspect brake fluid level in the master cylinder reservoir.
2
Check for visible leaks in brake lines, hoses, and around the calipers.
3
Scan for any error codes using an OBD-II scanner.
4
Inspect the brake pads and rotors for wear.
5
Test the brake booster for proper operation.
6
Examine the brake master cylinder for signs of failure.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the battery to prevent any electrical shorts.

2. Inspect and Repair Brake Lines

Sub-steps:
1. Locate the brake lines running from the master cylinder to the wheels.
2. Use a wrench to loosen and remove any damaged brake line fittings.
3. Replace any corroded or leaking brake lines with new lines.
4. Reconnect the brake lines and bleed the brake system to remove air.

3. Replace Brake Pads and Rotors (if needed)

Sub-steps:
1. Remove the wheel to access the brake components.
2. Unbolt and remove the brake caliper, supporting it with a bungee cord.
3. Remove the old brake pads and inspect the rotors for wear.
4. If rotors are worn beyond specifications, replace them.
5. Install new brake pads and bolt the caliper back in place.

4. Replace the Brake Master Cylinder (if needed)

Sub-steps:
1. Disconnect the brake lines from the master cylinder using a line wrench.
2. Unbolt the master cylinder from the brake booster.
3. Install the new master cylinder and torque to manufacturer specifications.
4. Reattach brake lines and bleed the brake system.

5. Final Assembly

Reinstall the wheel and lower the vehicle.
Reconnect the battery.
Check the brake fluid level and top off as necessary.