why does my Ford Explorer Fifth Generation (2011-2019) brake pedal feel soft?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

551 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

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on the brake system if electrical components are involved.
•Allow engine components to cool before performing repairs to avoid burns.

Symptoms

•Soft or spongy brake pedal feel
•Longer stopping distances
•Brake warning light illuminated on the dashboard
•Brake fluid leaking under the vehicle
•Reduced braking power or responsiveness

Diagnostic Steps

1
Inspect the brake fluid level in the master cylinder reservoir.
2
Check for any visible leaks in the brake lines or at the wheel cylinders/calipers.
3
Examine the brake pads and rotors for wear and damage.
4
Bleed the brake system to remove air from the brake lines.
5
Test the brake booster for proper operation.
6
Scan for any error codes using an OBD-II scanner, if applicable.

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
•Turkey baster
•Brake fluid
•Brake bleeder kit

Parts Required

•Brake fluid (DOT 3 or DOT 4)
•Replacement brake lines or seals (if leaks are found)

Related Faults

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Diagnostic Steps

1
Inspect the brake fluid level in the master cylinder reservoir.
2
Check for any visible leaks in the brake lines or at the wheel cylinders/calipers.
3
Examine the brake pads and rotors for wear and damage.
4
Bleed the brake system to remove air from the brake lines.
5
Test the brake booster for proper operation.
6
Scan for any error codes using an OBD-II scanner, if applicable.

Solution

1. Preparation

Gather tools such as a socket set, brake fluid, a turkey baster, and a brake bleeder kit.
Ensure the vehicle is parked on a level surface and the engine is off.
Wear safety gloves and goggles.

2. Inspect Brake Fluid Level

Open the hood and locate the brake master cylinder.
Use a turkey baster to remove some brake fluid if the level is high, ensuring it does not overflow.
If the fluid is low, add the appropriate type of brake fluid (DOT 3 or DOT 4 as specified in the owner's manual).

3. Check for Leaks

Visually inspect all brake lines and fittings for signs of fluid leakage.
Pay particular attention to the connections at the master cylinder and wheel cylinders/calipers.
If leaks are found, replace damaged brake lines or seals as necessary.

4. Bleed the Brake System

Start at the wheel farthest from the master cylinder (usually the right rear).
Have an assistant pump the brake pedal several times and hold it down.
Open the bleeder valve on the brake caliper to release air and fluid, then close it once fluid flows out without bubbles.
Repeat for all wheels in the correct order: right rear, left rear, right front, left front.
Check the brake fluid level in the master cylinder and top off as needed.

5. Test the Brake Booster

With the engine running, press the brake pedal. It should feel firm and not sink to the floor.
If it feels soft, the brake booster may be faulty and require replacement.