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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

602 words

Problem Statement

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

Affected Component

Differential

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before working on the differential.

Symptoms

•Grinding or whining noise when driving, particularly during acceleration or deceleration
•Clunking sound when shifting between gears
•Vibration felt through the vehicle during operation
•Fluid leaks around the differential housing
•Unusual wear on tires, especially on the edges

Diagnostic Steps

1
Inspect differential fluid level using the fill plug; ensure it is filled to the manufacturer's specifications.
2
Examine differential fluid condition for signs of contamination or metal shavings.
3
Listen for noise source while driving to pinpoint the location of the noise.
4
Check for loose components around the differential housing.
5
Inspect driveshaft and U-joints for signs of wear or damage.
6
Perform a controlled road test to confirm the conditions under which the noise occurs.

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 stands
•Socket set
•Torque wrench
•Fluid catch pan
•OBD-II scanner

Parts Required

•Differential fluid (75W-140 or as specified)
•Differential gasket or sealant (if necessary)
•Bearings or seals (if replacement is needed)

Related Faults

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Diagnostic Steps

1
Inspect differential fluid level using the fill plug; ensure it is filled to the manufacturer's specifications.
2
Examine differential fluid condition for signs of contamination or metal shavings.
3
Listen for noise source while driving to pinpoint the location of the noise.
4
Check for loose components around the differential housing.
5
Inspect driveshaft and U-joints for signs of wear or damage.
6
Perform a controlled road test to confirm the conditions under which the noise occurs.

Solution

1. Preparation

Tools Required: Jack stands, socket set, torque wrench, fluid catch pan, OBD-II scanner (if necessary).
Ensure vehicle is parked on a level surface.
Disconnect the battery to avoid accidental engagement of electrical systems during inspection.

2. Fluid Change

Sub-steps:
1. Drain Old Differential Fluid: Remove the drain plug and allow the old fluid to fully drain into a catch pan.
2. Inspect Drain Plug: Clean the drain plug and check for metal shavings or debris; replace if excessively worn.
3. Replace with New Fluid: Reinstall the drain plug and refill with new differential fluid per manufacturer specifications (typically 75W-140 or as recommended).
4. Torque Specifications: Ensure the drain plug is torqued to the manufacturer's specifications (usually around 30-40 lb-ft).

3. Component Inspection and Replacement

Sub-steps:
1. Remove Differential Cover: Unbolt the differential cover and carefully pry it off; inspect the internal gears and bearings for wear or damage.
2. Inspect Gears and Bearings: Look for scoring, pitting, or abnormal wear patterns on the ring and pinion gears. Check bearing races for smoothness.
3. Replace Damaged Parts: If wear is observed, replace the necessary components such as bearings, seals, or gears as required.
4. Reassemble Differential: Clean the mating surfaces and apply new gasket material or a new gasket before reinstalling the cover.
5. Refill Differential: After reassembly, refill the differential with the correct fluid to the proper level.