why does my Ford Explorer Fifth Generation (2011-2019) have a soft brake pedal

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

533 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 wear safety goggles and gloves when working with brake fluid.
•Ensure the vehicle is securely lifted and supported before working on the braking system.

Symptoms

•Brake pedal feels soft or spongy when pressed
•Increased stopping distance
•Brake warning light illuminated on the dashboard
•Possible fluid leak under the vehicle
•Air noise when pressing the brake pedal
•Brake fluid level is low in the reservoir

Diagnostic Steps

1
Check the brake fluid level in the reservoir and top off if necessary.
2
Inspect brake lines and hoses for leaks or damage.
3
Use a brake bleeder kit to check for air in the brake lines.
4
Examine the condition of the brake pads and rotors for wear.
5
Inspect the master cylinder for any signs of failure or leaks.
6
Scan for any diagnostic trouble codes (DTCs) 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

•Brake bleeder kit
•Socket set
•Torque wrench
•Clear tubing
•Syringe or turkey baster

Parts Required

•Brake fluid (DOT 3 or DOT 4)
•Brake pads (if worn)
•Brake rotors (if worn)
•Master cylinder (if faulty)

Related Faults

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Diagnostic Steps

1
Check the brake fluid level in the reservoir and top off if necessary.
2
Inspect brake lines and hoses for leaks or damage.
3
Use a brake bleeder kit to check for air in the brake lines.
4
Examine the condition of the brake pads and rotors for wear.
5
Inspect the master cylinder for any signs of failure or leaks.
6
Scan for any diagnostic trouble codes (DTCs) related to the braking system.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Use wheel chocks to prevent movement.

2. Inspect and Replace Brake Fluid

Tools Required: Brake fluid, syringe or turkey baster.
Remove the brake fluid reservoir cap.
Use a syringe or turkey baster to remove old brake fluid from the reservoir.
Fill the reservoir with the appropriate type of brake fluid (usually DOT 3 or DOT 4).
Replace the cap securely.

3. Bleed the Brake System

Tools Required: Brake bleeder kit, clear tubing.
Connect the clear tubing to the bleeder valve on the brake caliper.
Have an assistant press the brake pedal while you open the bleeder valve.
Allow old fluid and air to escape until clear fluid runs out.
Close the valve and repeat the process for each wheel, starting from the wheel farthest from the master cylinder.
Continuously check the brake fluid level in the reservoir during this process.

4. Inspect and Replace Components as Necessary

Tools Required: Socket set, torque wrench.
Inspect the brake pads and rotors for wear; replace them if they are below specification.
Check the master cylinder and replace it if there are signs of leakage or internal failure.
Torque all bolts to manufacturer specifications during reassembly.