how to check Ford Explorer Fifth Generation (2011-2019) for differential noise

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

520 words

Problem Statement

Learn how to diagnose and fix differential noise in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms and repair instructions.

Affected Component

Differential

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely lifted and supported before working underneath it.
•Disconnect the battery before servicing electrical components.

Symptoms

•Loud whining or grinding noise during acceleration
•Clunking sound when shifting from drive to reverse
•Vibration noticeable in the cabin while driving
•Noise changes with vehicle speed, not engine RPM
•Fluid leaks around the differential housing

Diagnostic Steps

1
Drive the vehicle at various speeds to replicate the noise and note when it occurs.
2
Inspect the differential fluid level and condition by removing the fill plug.
3
Listen for any abnormal noises while the vehicle is stationary and the wheels are rotating.
4
Check for fluid leaks around the differential and inspect the seals for damage.
5
Inspect the driveshaft and CV joints for any signs of wear or play.
6
Lift the vehicle and check for excessive play in the differential by rotating the wheels.

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
•Socket set
•Torque wrench
•Drain pan
•Seal puller
•Funnel

Parts Required

•Differential fluid (specific to Ford specifications)
•Seals (as needed)

Related Faults

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Diagnostic Steps

1
Drive the vehicle at various speeds to replicate the noise and note when it occurs.
2
Inspect the differential fluid level and condition by removing the fill plug.
3
Listen for any abnormal noises while the vehicle is stationary and the wheels are rotating.
4
Check for fluid leaks around the differential and inspect the seals for damage.
5
Inspect the driveshaft and CV joints for any signs of wear or play.
6
Lift the vehicle and check for excessive play in the differential by rotating the wheels.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a level surface and safely supported with jack stands.
Disconnect the battery to prevent any electrical issues.

2. Inspect Differential Fluid

Tools Required: Drain pan, socket set, torque wrench.
Remove the differential fill plug and check the fluid level.
If low, drain the fluid and inspect for metal shavings or discoloration.
If the fluid is contaminated or low, replace it with the manufacturer-recommended fluid.

3. Replace Differential Fluid

Tools Required: Drain pan, funnel, socket set, torque wrench.
Drain the old differential fluid completely.
Reinstall the drain plug, ensuring it is torqued to the manufacturer specifications (typically around 20-30 lb-ft).
Fill the differential with the appropriate fluid until it begins to seep from the fill hole.
Reinstall the fill plug and torque to the specified value.

4. Inspect and Replace Seals

Tools Required: Seal puller, socket set, torque wrench.
If leaks are present, remove the differential cover (if applicable) and inspect the seals.
Replace any damaged seals and reassemble the differential cover, torqueing the bolts to specifications.

5. Test Drive

After repairs are made, reconnect the battery.
Perform a test drive to ensure that the noise has been resolved and all symptoms are gone.