my Ford Explorer has a low grinding noise in the rear what's causing it

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

417 words

Problem Statement

Learn how to diagnose and fix low grinding noise in the rear of your 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 disconnect the battery before working on electrical components.
•Allow the vehicle to cool before inspecting brake components.

Symptoms

•Low grinding noise from the rear while driving
•Possible vibrations felt through the vehicle
•Decreased braking efficiency
•Grinding noise increases with acceleration
•Unusual wear on rear tires

Diagnostic Steps

1
Inspect the rear brake components for wear and damage.
2
Check the rear wheel bearings for play or roughness.
3
Examine the differential fluid level and condition.
4
Test drive the vehicle to replicate the noise and determine the conditions that trigger it.
5
Visually inspect the rear suspension components for any signs of damage or misalignment.

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
•Brake cleaner
•Jack and jack stands

Parts Required

•Brake pads
•Brake rotors (if needed)
•Wheel bearings (if needed)
•Differential fluid

Related Faults

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Diagnostic Steps

1
Inspect the rear brake components for wear and damage.
2
Check the rear wheel bearings for play or roughness.
3
Examine the differential fluid level and condition.
4
Test drive the vehicle to replicate the noise and determine the conditions that trigger it.
5
Visually inspect the rear suspension components for any signs of damage or misalignment.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and secure it with wheel chocks.
Wear safety gloves and goggles.

2. Inspect Rear Brakes

Remove the rear wheels using a socket set.
Inspect brake pads and rotors for wear; replace if pads are worn down or rotors are damaged.
Clean any debris from the brake assembly.

3. Check Wheel Bearings

With the wheel removed, grasp the brake rotor and check for lateral play.
If there is play, remove the brake rotor and inspect the wheel bearing for wear.
Replace the wheel bearing if it feels rough or is damaged.

4. Examine Differential

Locate the rear differential and check the fluid level using a dipstick or fill plug.
If fluid is low, top off with the manufacturer-recommended differential fluid.
If the fluid appears contaminated or has metal shavings, perform a differential fluid change.