how to fix the rear axle noise in my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

medium

Severity

3 min read

528 words

Problem Statement

Learn how to diagnose and fix rear axle noise in Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before working on the rear axle components.

Symptoms

•Grinding or whining noise from the rear axle during acceleration
•Clunking sound when shifting from drive to reverse
•Vibrations felt in the rear of the vehicle
•Unusual tire wear on rear tires
•Fluid leaks from the differential housing

Diagnostic Steps

1
Inspect the rear axle fluid level and condition.
2
Check for visible leaks around the differential and axle seals.
3
Listen for noise while driving in a straight line and during turns.
4
Perform a visual inspection of the rear suspension components.
5
Test the rear wheel bearings for play and noise.
6
Use an OBD-II scanner to check for any related error codes.

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
•Socket set
•Torque wrench
•Bearing puller
•Seal installer
•Drain pan

Parts Required

•Differential fluid
•New differential bearings
•Axle seals
•New differential unit

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Diagnostic Steps

1
Inspect the rear axle fluid level and condition.
2
Check for visible leaks around the differential and axle seals.
3
Listen for noise while driving in a straight line and during turns.
4
Perform a visual inspection of the rear suspension components.
5
Test the rear wheel bearings for play and noise.
6
Use an OBD-II scanner to check for any related error codes.

Solution

1. Preparation

Tools Required: Jack and jack stands, socket set, torque wrench, drain pan.
Ensure the vehicle is on a flat surface and safely elevated with jack stands.
Allow the vehicle to cool down if it has been recently driven.

2. Check Fluid Level

Remove the fill plug on the differential housing using a socket.
If fluid is low, drain the old fluid into a pan and replace it with the manufacturer's recommended fluid type.
Ensure the fluid is at the correct level when rechecking with the fill plug.

3. Inspect and Replace Differential Bearings

Tools Required: Bearing puller, seal installer, grease, torque wrench.
Remove the rear wheels and brake components to access the axle shafts.
Disconnect the driveshaft from the differential.
Use a bearing puller to remove the old bearings from the differential.
Clean the differential housing and install new bearings and seals using a seal installer.
Reassemble the components in reverse order, ensuring all bolts are torqued to manufacturer specifications.

4. Replace the Differential if Necessary

If the differential is damaged beyond repair, remove it from the vehicle.
Tools Required: Gear oil, gasket maker, new differential unit.
Install the new differential unit, ensuring proper alignment and securing the mounting bolts.
Refill with the appropriate differential fluid.