how to fix my Ford Explorer Fifth Generation (2011-2019) when the brake pedal goes to the floor

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

critical

Severity

4 min read

616 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 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

•Ensure the vehicle is on a flat surface and use jack stands for safety.
•Always wear safety goggles and gloves when handling brake fluid.
•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before working on any components.

Symptoms

•Brake pedal feels soft or spongy
•Brake warning light illuminated on the dashboard
•Longer stopping distances than normal
•Brake fluid leaks under the vehicle
•No resistance when pressing the brake pedal
•Increased effort required to stop the vehicle

Diagnostic Steps

1
Inspect the brake fluid level in the master cylinder reservoir.
2
Check for visible brake fluid leaks around the brake lines, calipers, and wheel cylinders.
3
Inspect brake lines and hoses for any signs of wear or damage.
4
Scan for any Diagnostic Trouble Codes (DTCs) related to the brake system using an OBD-II scanner.
5
Perform a visual inspection of the brake master cylinder for signs of failure or damage.
6
Check the condition of the brake pads and rotors to ensure they are not excessively worn.

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

•Socket set
•Brake line wrench
•OBD-II scanner
•Brake fluid
•Safety goggles
•Gloves
•Jack and jack stands
•Turkey baster or siphon

Parts Required

•Brake fluid (DOT 3 or DOT 4)
•Replacement brake lines or calipers (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect the brake fluid level in the master cylinder reservoir.
2
Check for visible brake fluid leaks around the brake lines, calipers, and wheel cylinders.
3
Inspect brake lines and hoses for any signs of wear or damage.
4
Scan for any Diagnostic Trouble Codes (DTCs) related to the brake system using an OBD-II scanner.
5
Perform a visual inspection of the brake master cylinder for signs of failure or damage.
6
Check the condition of the brake pads and rotors to ensure they are not excessively worn.

Solution

1. Preparation

Tools Required: Socket set, brake line wrench, OBD-II scanner, brake fluid, safety goggles, gloves, jack and jack stands.
Safety Warning: Ensure the vehicle is on a flat surface and use jack stands for safety. Always wear safety goggles and gloves when handling brake fluid.

2. Inspect and Replace Brake Fluid

Remove the cap from the brake fluid reservoir.
Check the fluid color and level; it should be clear or light amber. If it is dark or contaminated, proceed with replacement.
Using a turkey baster or siphon, remove old brake fluid from the reservoir.
Refill with manufacturer-recommended brake fluid (DOT 3 or DOT 4).
Replace the reservoir cap securely.

3. Bleed the Brake System

Start at the wheel farthest from the master cylinder (usually the right rear).
Using a brake line wrench, loosen the bleeder valve on the brake caliper.
Have an assistant press the brake pedal slowly to the floor and hold it down.
Open the bleeder valve to allow air and old fluid to escape, then close the valve before your assistant releases the brake pedal.
Repeat this process until no air bubbles are visible in the fluid, ensuring to keep the reservoir filled.
Move to the next wheel, following the order: right rear, left rear, right front, left front.
Confirm all bleeder valves are securely closed.

4. Inspect and Replace Damaged Components

If leaks are found, identify the source (brake lines, calipers, etc.).
Use the socket set to remove any damaged brake lines or calipers.
Replace with new components, ensuring all fittings are tight and secure.
Refill the brake system with fresh brake fluid and repeat the bleeding process.