how to fix the brake warning light on my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

607 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 warning light issue on your 2011-2019 Ford Explorer. 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 engage the parking brake and use jack stands when working under the vehicle.
•Allow the vehicle to cool before performing any work on brake components to avoid burns.

Symptoms

•Brake warning light illuminated on the dashboard
•Reduced braking performance
•Spongy or soft brake pedal feel
•Unusual noises when applying brakes (squeaking or grinding)
•Fluid leak under the vehicle near the brake components

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any brake-related codes.
2
Inspect the brake fluid level in the master cylinder reservoir.
3
Check for any visible leaks in the brake lines and around the brake components.
4
Test the brake pedal feel and response for any abnormalities.
5
Inspect the brake pads and rotors for wear or damage.
6
Verify the functionality of the brake warning switch.

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
•Jack and jack stands
•Socket set
•Brake caliper tool
•Multimeter

Parts Required

•Brake pads (if replacement is needed)
•Brake fluid (if low)
•Brake rotors (if replacement is needed)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any brake-related codes.
2
Inspect the brake fluid level in the master cylinder reservoir.
3
Check for any visible leaks in the brake lines and around the brake components.
4
Test the brake pedal feel and response for any abnormalities.
5
Inspect the brake pads and rotors for wear or damage.
6
Verify the functionality of the brake warning switch.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Disconnect the battery to avoid any electrical issues.

2. Check Brake Fluid Level

Open the hood and locate the brake master cylinder.
Remove the cap and check the brake fluid level.
If low, top off with the manufacturer's recommended brake fluid (DOT 3 or DOT 4).
Replace the cap securely after checking.

3. Inspect Brake Components

Visually inspect brake lines and hoses for leaks or damage.
Check brake pads and rotors for excessive wear:
- If brake pads are worn down to 3mm or less, replace them.
- If rotors are scored or warped, replace or resurface them.

4. Replace Brake Pads (If Necessary)

Raise the vehicle using a jack and secure it with jack stands.
Remove the wheel to access the brakes.
Remove the caliper bolts and slide the caliper off the rotor.
Replace the brake pads:
- Remove old pads and install new pads in the caliper bracket.
- Compress the caliper piston using a brake caliper tool if necessary.
Reinstall the caliper and torque bolts to the manufacturer’s specifications (typically around 25-35 ft-lbs).

5. Check the Brake Warning Switch

Locate the brake warning switch, typically found near the brake master cylinder.
Inspect the wiring and connections for damage.
Test the switch for continuity using a multimeter. Replace if faulty.

6. Reconnect Battery and Test

Reconnect the battery terminals.
Start the vehicle and check if the brake warning light is still illuminated.
Perform a test drive to ensure proper brake function.