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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

540 words

Problem Statement

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

Affected Component

Differential

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always allow the vehicle to cool down before working on it.
•Use jack stands to support the vehicle securely before working underneath.

Symptoms

•Whining or grinding noise when accelerating or decelerating
•Clunking sound when shifting from drive to reverse or vice versa
•Vibration felt through the vehicle during driving
•Fluid leaks around the differential casing
•Increased engine noise when turning

Diagnostic Steps

1
Inspect the differential fluid level using the fill plug; ensure it is at the proper level.
2
Check for metal shavings or debris in the differential fluid by draining it into a clean container.
3
Inspect the differential housing for cracks or visible damage.
4
Test drive the vehicle to replicate the noise while observing for any vibrations or handling issues.
5
Listen for noise while stationary with the vehicle in gear to isolate the sound source.

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 wrench
•Dipstick
•Drain pan
•Torque wrench
•Dial indicator
•Gasket scraper

Parts Required

•Differential fluid (75W-140 or as specified)
•Differential cover gasket or sealant

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Diagnostic Steps

1
Inspect the differential fluid level using the fill plug; ensure it is at the proper level.
2
Check for metal shavings or debris in the differential fluid by draining it into a clean container.
3
Inspect the differential housing for cracks or visible damage.
4
Test drive the vehicle to replicate the noise while observing for any vibrations or handling issues.
5
Listen for noise while stationary with the vehicle in gear to isolate the sound source.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is on a level surface and secure it with wheel chocks.
Raise the vehicle using jack stands if necessary for access.

2. Check Differential Fluid

Sub-steps:
1. Remove the fill plug using a socket wrench.
2. Insert a dipstick or a clean finger to check the fluid level; it should be at or just below the fill hole.
3. If low, add the specified differential fluid (typically 75W-140 or as recommended in the owner’s manual).
Tools Required: Socket wrench, dipstick.

3. Drain and Inspect Differential Fluid

Sub-steps:
1. Place a drain pan under the differential and remove the drain plug.
2. Allow the fluid to drain completely.
3. Inspect the fluid for metal shavings or debris; if present, further inspection of the differential gears is needed.
Tools Required: Socket wrench, drain pan.

4. Inspect Differential Assembly

Sub-steps:
1. With the differential drained, remove the cover by unbolting it.
2. Inspect the gears for signs of wear or damage (scoring, pitting).
3. Use a dial indicator to check gear backlash and adjust if necessary according to manufacturer specifications.
Tools Required: Socket set, torque wrench, dial indicator.

5. Reassemble and Refill

Sub-steps:
1. Clean the differential cover and apply a new gasket or sealant.
2. Reattach the cover and torque bolts to manufacturer specifications.
3. Refill with the recommended differential fluid through the fill plug.
Tools Required: Torque wrench, gasket scraper.