what causes the brake pedal to feel soft in my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

critical

Severity

3 min read

561 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 soft brake pedal 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

•Always disconnect the battery before performing repairs on the braking system.
•Allow the vehicle's brakes to cool before working on them to avoid burns.

Symptoms

•Brake pedal sinks to the floor with minimal resistance
•Increased stopping distance when braking
•Spongy or squishy pedal feel
•Brake warning light illuminated on the dashboard
•Fluid leakage under the vehicle near the wheels or brake lines

Diagnostic Steps

1
Inspect brake fluid level in the master cylinder reservoir.
2
Check for visible leaks in brake lines, hoses, and around the brake calipers.
3
Use a brake fluid tester to determine the moisture content of the brake fluid.
4
Inspect brake pads and rotors for wear and proper functionality.
5
Check for air bubbles in the brake lines by performing a brake bleed.
6
Scan for any error codes using an OBD-II scanner related to the braking system.

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
•Wrench set
•Socket set
•Torque wrench
•Clear tubing

Parts Required

•Brake fluid (DOT 3 or DOT 4)
•Brake pads (if needed)
•Brake lines or hoses (if damaged)

Related Faults

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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 brake calipers.
3
Use a brake fluid tester to determine the moisture content of the brake fluid.
4
Inspect brake pads and rotors for wear and proper functionality.
5
Check for air bubbles in the brake lines by performing a brake bleed.
6
Scan for any error codes using an OBD-II scanner related to the braking system.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Safely lift and secure the vehicle using jack stands.
Wear safety goggles and gloves.

2. Check and Refill Brake Fluid

Tools Required: Brake fluid, funnel.
Remove the master cylinder cap and check the fluid level.
If low, refill with the manufacturer's recommended brake fluid type (DOT 3 or DOT 4).

3. Inspect and Repair Brake Lines

Tools Required: Wrench set, brake line tool.
Inspect all brake lines and hoses for signs of wear or damage.
Replace any damaged hoses or lines with new ones, ensuring all connections are tight.

4. Bleed Brake System

Tools Required: Brake bleeder kit, clear tubing.
Locate the bleeder valve on each brake caliper.
Attach clear tubing to the valve and place the other end in a container.
Have an assistant pump the brake pedal several times and hold it down.
Open the bleeder valve to release air and old brake fluid, then close it before releasing the pedal.
Repeat until no air bubbles are present in the fluid, then check fluid level and refill if necessary.

5. Inspect and Replace Brake Components

Tools Required: Socket set, torque wrench.
Remove the wheel and inspect brake pads and rotors for wear.
Replace worn brake pads and, if necessary, resurface or replace rotors.
Reinstall the wheel and torque the lug nuts to the manufacturer's specifications.