why do my brakes pulsate when I apply them in my Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

481 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 pulsating brakes in your Ford Explorer (2020-present). 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 working on the braking system.
•Allow the vehicle to cool down before working on brake components to avoid burns.

Symptoms

•Pulsating sensation in the brake pedal when braking
•Increased stopping distance
•Vibration in the steering wheel during braking
•Uneven brake pad wear
•Potential noise from the brakes such as grinding or squeaking

Diagnostic Steps

1
Inspect brake pads for uneven wear and thickness.
2
Check brake rotors for warping or damage using a runout gauge.
3
Examine brake calipers for proper function and hydraulic leaks.
4
Measure brake fluid level and inspect for contamination.
5
Test drive the vehicle to replicate the pulsation and assess braking performance.

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
•Torque wrench
•Runout gauge
•Brake cleaner
•Brake bleeder kit
•OBD-II scanner

Parts Required

•Brake pads
•Brake rotors
•Brake calipers (if necessary)
•Brake fluid (DOT 3 or DOT 4)

Related Faults

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Diagnostic Steps

1
Inspect brake pads for uneven wear and thickness.
2
Check brake rotors for warping or damage using a runout gauge.
3
Examine brake calipers for proper function and hydraulic leaks.
4
Measure brake fluid level and inspect for contamination.
5
Test drive the vehicle to replicate the pulsation and assess braking performance.

Solution

1. Preparation

Gather tools and materials.
Ensure the vehicle is parked on a flat surface and the engine is turned off.
Wear safety glasses and gloves.

2. Inspect Brake Pads

Sub-steps:
1. Remove the wheel using a socket set.
2. Check the thickness of the brake pads; replace if below specification (typically less than 3mm).
Tools Required: Socket set, torque wrench.

3. Check and Replace Brake Rotors

Sub-steps:
1. Use a runout gauge to measure the rotor for warping; replace if runout exceeds manufacturer specifications (usually 0.002 inches).
2. If needed, remove the caliper and bracket to access the rotor.
3. Install new rotors, ensuring they are properly torqued to the manufacturer's specifications.
Tools Required: Runout gauge, socket set, torque wrench.

4. Inspect and Service Brake Calipers

Sub-steps:
1. Remove the caliper from the rotor and check for fluid leaks.
2. Clean and lubricate the caliper slide pins.
3. Replace caliper if damaged or seized.
Tools Required: Brake cleaner, caliper tool, socket set.

5. Replace Brake Fluid (if necessary)

Sub-steps:
1. Remove the brake fluid reservoir cap and check fluid condition.
2. If contaminated, bleed the brake system to replace old fluid with fresh DOT 3 or DOT 4 brake fluid.
Tools Required: Brake bleeder kit, wrench for bleeder screws.