Ford Explorer Fifth Generation (2011-2019) brake pedal goes to floor

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

critical

Severity

3 min read

557 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 2011-2019 Ford Explorer. Step-by-step guide with diagnostic procedures 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 systems.
•Allow the vehicle to cool before inspecting brake components to avoid burns.

Symptoms

•Brake pedal feels soft or spongy
•Brake warning light illuminated on the dashboard
•Reduced braking effectiveness or delayed response
•Possible fluid leakage under the vehicle
•No resistance when pressing the brake pedal

Diagnostic Steps

1
Inspect the brake fluid reservoir for low fluid levels.
2
Check for visible leaks in the brake lines, calipers, and master cylinder.
3
Use an OBD-II scanner to check for any related error codes.
4
Inspect the brake lines for any signs of corrosion or damage.
5
Perform a visual inspection of the brake pads and rotors for wear.
6
Conduct a pressure test on the brake system to check for leaks.

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 bleeder kit
•Socket set
•Wrenches
•Screwdrivers
•Clear hose

Parts Required

•Brake fluid (DOT 3 or DOT 4 as specified)
•Replacement brake lines
•Calipers
•Master cylinder

Related Faults

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Diagnostic Steps

1
Inspect the brake fluid reservoir for low fluid levels.
2
Check for visible leaks in the brake lines, calipers, and master cylinder.
3
Use an OBD-II scanner to check for any related error codes.
4
Inspect the brake lines for any signs of corrosion or damage.
5
Perform a visual inspection of the brake pads and rotors for wear.
6
Conduct a pressure test on the brake system to check for leaks.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and secure it with wheel chocks.
Wear safety goggles and gloves.

2. Inspect and Replace Damaged Components

Brake Fluid Reservoir Check:
- Open the hood and locate the brake fluid reservoir.
- Inspect for fluid level and top off with manufacturer-approved brake fluid if low.
Check for Leaks:
- Underneath the vehicle, look for any signs of brake fluid leakage.
- If leaks are found, replace the damaged parts (e.g., brake lines, calipers, or master cylinder).

3. Bleed the Brake System

Bleeding Procedure:
- Start with the wheel farthest from the master cylinder (usually the passenger rear).
- Attach a clear hose to the bleeder valve and submerge it in a container with brake fluid.
- Have an assistant press the brake pedal several times and hold it down.
- Open the bleeder valve to release air and fluid, then close it before the pedal is released.
- Repeat this process until no air bubbles are seen in the fluid.
- Move to the next wheel and repeat the process (passenger front, driver rear, driver front).

4. Final Inspection and Test Drive

Brake Functionality Check:
- Inspect all connections for leaks after bleeding.
- Test the brake pedal for firmness by pressing it several times.
- Take the vehicle for a test drive to ensure proper brake function.