how to fix a Ford Explorer Sixth Generation (2020-present) with a soft brake pedal

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

critical

Severity

4 min read

663 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 issue in the Ford Explorer Sixth Generation. 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

•Always allow the brake system to cool before working on it.
•Ensure the vehicle is securely lifted and supported when removing wheels.

Symptoms

•Brake pedal feels spongy or soft when pressed
•Longer stopping distances
•Brake warning light may be illuminated
•Unusual noises when braking (e.g., grinding or squeaking)
•Fluid leakage around brake components

Diagnostic Steps

1
Inspect brake fluid level and condition in the master cylinder reservoir.
2
Check for any visible leaks in the brake lines, hoses, and around the calipers.
3
Use an OBD-II scanner to check for any brake-related error codes.
4
Test the brake booster for proper operation by pumping the brake pedal with the engine off, then starting the engine to see if the pedal sinks.
5
Inspect brake pads and rotors for wear and damage.
6
Perform a brake bleed to remove any air from the brake lines.

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 fluid tester
•Wrench set
•Brake line cutter
•Socket set
•Torque wrench
•Brake bleeder kit
•Clear hose
•Container

Parts Required

•DOT 3 or DOT 4 brake fluid
•Brake lines or hoses (if needed)
•Brake pads (if worn)
•Brake rotors (if necessary)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect brake fluid level and condition in the master cylinder reservoir.
2
Check for any visible leaks in the brake lines, hoses, and around the calipers.
3
Use an OBD-II scanner to check for any brake-related error codes.
4
Test the brake booster for proper operation by pumping the brake pedal with the engine off, then starting the engine to see if the pedal sinks.
5
Inspect brake pads and rotors for wear and damage.
6
Perform a brake bleed to remove any air from the brake lines.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Wear safety gloves and goggles.

2. Inspect and Replace Brake Fluid

Sub-steps:
- Remove the master cylinder cap.
- Check fluid condition; if it appears dirty or contaminated, proceed to replace it.
- Use a brake fluid tester to verify the moisture content.
- Drain old brake fluid from the master cylinder and refill with new DOT 3 or DOT 4 brake fluid.
Tools Required: Brake fluid tester, funnel, brake fluid.

3. Inspect and Repair Brake Lines

Sub-steps:
- Visually inspect all brake lines and hoses for cracks, corrosion, or leaks.
- If any leaks are found, replace the affected brake line or hose.
- Tighten any loose connections and ensure there are no signs of fluid weeping.
Tools Required: Wrench set, brake line cutter, replacement brake lines/hose as needed.

4. Bleed the Brake System

Sub-steps:
- Start with the brake furthest from the master cylinder (usually the right rear).
- Attach a clear hose to the bleeder valve on the brake caliper and place the other end in a container.
- Have an assistant pump the brake pedal several times, then hold it down.
- Open the bleeder valve to release air and old fluid, then close it before the pedal is released.
- Repeat this process until no air bubbles are seen in the fluid stream, then move to the next brake.
Tools Required: Brake bleeder kit, clear hose, container.

5. Inspect and Replace Brake Pads/Rotor (if necessary)

Sub-steps:
- Remove the wheel and tire to access the brake caliper.
- Inspect brake pads for wear; replace if the thickness is below manufacturer specifications.
- Check rotors for warping or scoring; replace if necessary.
- Reassemble the caliper and wheel after completing any replacements.
Tools Required: Socket set, torque wrench, brake pad compressor, replacement brake pads/rotors.