my Ford F-150 13th Generation (2015-2020) rear brakes are wearing unevenly what's wrong

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

566 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 uneven rear brake wear on your 2015 Ford F-150. 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 glasses when working with brake components.
•Ensure the vehicle is secure on jack stands before working underneath.

Symptoms

•One side of the rear brakes is significantly more worn than the other
•Increased brake noise (squealing or grinding sounds)
•Reduced braking efficiency on the affected side
•Vehicle pulling to one side during braking
•Possible vibration during braking

Diagnostic Steps

1
Inspect the rear brake pads for uneven wear patterns.
2
Check the brake calipers for proper operation and any signs of sticking or binding.
3
Examine the brake rotors for warping or damage.
4
Inspect the brake lines for any leaks or blockages.
5
Check the brake hardware (springs, clips) for corrosion or damage.
6
Test the brake fluid for contamination and proper level.

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

•Jack and jack stands
•Lug wrench
•Socket set
•Brake cleaner
•C-clamp
•Torque wrench

Parts Required

•Brake pads (both sides suggested)
•Brake rotors (if necessary)
•Brake hardware (if damaged)

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Diagnostic Steps

1
Inspect the rear brake pads for uneven wear patterns.
2
Check the brake calipers for proper operation and any signs of sticking or binding.
3
Examine the brake rotors for warping or damage.
4
Inspect the brake lines for any leaks or blockages.
5
Check the brake hardware (springs, clips) for corrosion or damage.
6
Test the brake fluid for contamination and proper level.

Solution

1. Preparation

Tools Required: Jack and jack stands, lug wrench, socket set, brake cleaner, C-clamp, torque wrench.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Disconnect the battery if necessary for safety.

2. Raise the Vehicle

Use a jack to lift the rear of the vehicle.
Secure the vehicle with jack stands to prevent it from falling.

3. Remove the Wheel

Use a lug wrench to remove the lug nuts and take off the wheel.
Store the lug nuts in a safe place for reinstallation.

4. Inspect and Replace Brake Pads

Inspect Brake Pads: Remove the caliper bolts and lift the caliper away from the rotor.
Check for Uneven Wear: If one pad is significantly more worn, replace both pads on that axle.
Replace Pads:
1. Remove the old pads from the caliper bracket.
2. Compress the caliper piston using a C-clamp to create space for the new pads.
3. Install new brake pads in the caliper bracket.

5. Inspect and Replace Brake Rotors (if necessary)

Inspect Rotors: Check for warping or scoring.
Replace Rotors (if needed):
1. Remove the caliper bracket and then the rotor.
2. Install new rotors, ensuring they are properly seated.
3. Reattach the caliper bracket.

6. Reassemble

Reattach the caliper over the new pads and tighten the caliper bolts to manufacturer specifications.
Reinstall the wheel and hand-tighten the lug nuts.
Lower the vehicle and then torque the lug nuts to the specified value (usually around 100-150 ft-lbs).