why does my Ford Explorer make a whining noise when driving

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

437 words

Problem Statement

Learn how to diagnose and fix a whining noise in your Ford Explorer. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Steering

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 opening any compartments.

Symptoms

•Whining noise that increases with vehicle speed
•Noise may vary in pitch or intensity when turning
•Possible loss of power steering assist
•Unusual vibrations felt through the steering wheel
•Check engine light may be illuminated

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Listen for the source of the noise while the vehicle is stationary and in motion.
3
Check for any damaged or worn belts in the engine compartment.
4
Inspect the wheel bearings and differential for signs of wear.
5
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
•Screwdrivers
•Torque wrench
•OBD-II scanner
•Fluid pump for power steering fluid

Parts Required

•Power steering fluid
•Drive belts
•Wheel bearings
•Differential fluid

Related Faults

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Listen for the source of the noise while the vehicle is stationary and in motion.
3
Check for any damaged or worn belts in the engine compartment.
4
Inspect the wheel bearings and differential for signs of wear.
5
Use an OBD-II scanner to check for any related error codes.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the battery for safety.

2. Inspect and Replace Power Steering Fluid

Sub-steps:
1. Locate the power steering reservoir.
2. Check the fluid level against the minimum/maximum marks.
3. If low, drain the old fluid and replace it with manufacturer-recommended power steering fluid.
4. Start the engine and turn the steering wheel to circulate the new fluid.

3. Inspect and Replace Worn Belts

Sub-steps:
1. Visually inspect all drive belts for cracks or fraying.
2. If damaged, loosen the tensioner and remove the old belt.
3. Install a new belt, ensuring proper routing and tension according to the service manual.
4. Recheck the tension after a short test run.

4. Check Wheel Bearings

Sub-steps:
1. Lift the front of the vehicle using a jack and secure it with jack stands.
2. Spin the front wheels by hand and listen for any grinding or noise.
3. If noise is present, remove the wheel and inspect the bearing for damage.
4. Replace any damaged bearings as necessary.

5. Inspect Differential

Sub-steps:
1. Check the differential fluid level and condition.
2. If low or contaminated, drain and refill with the correct differential fluid.
3. Inspect differential gears for signs of wear or damage.

Tools Required:

Jack and jack stands
Socket set
Screwdrivers
Torque wrench
OBD-II scanner
Fluid pump for power steering fluid

Parts Required:

Power steering fluid
Drive belts (if worn)
Wheel bearings (if necessary)
Differential fluid (if low or contaminated)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect battery before working on electrical systems.
Allow engine to cool before opening any compartments.