my Ford Explorer Fifth Generation (2011-2019) has a whining noise when driving, what should I check

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

554 words

Problem Statement

Diagnose and fix whining noise in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, tools, and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before inspecting the engine or fluid levels.

Symptoms

•Whining noise increasing with vehicle speed
•Noise present during acceleration
•Possible vibration felt through the steering wheel
•Unusual wear on tires
•Poor fuel economy

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any leaks in the power steering system.
3
Examine the serpentine belt for wear or damage.
4
Inspect the wheel bearings for play or roughness.
5
Test the transmission fluid level and condition.
6
Listen for noise changes when turning the steering wheel to determine if the power steering pump is faulty.

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

•Power steering fluid
•Funnel
•Container for fluid
•Socket set
•Flashlight
•Jack and jack stands

Parts Required

•Replacement power steering hoses
•New serpentine belt
•Wheel bearings

Related Faults

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any leaks in the power steering system.
3
Examine the serpentine belt for wear or damage.
4
Inspect the wheel bearings for play or roughness.
5
Test the transmission fluid level and condition.
6
Listen for noise changes when turning the steering wheel to determine if the power steering pump is faulty.

Solution

1. Preparation

Gather tools and safety equipment.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Check Power Steering System

Tools Required: Power steering fluid, funnel, container for fluid.
Sub-steps:
1. Locate the power steering fluid reservoir.
2. Remove the cap and check the fluid level; top off if low.
3. Inspect for any signs of leaks around hoses and connections.
4. If leaks are detected, replace the affected hoses or fittings.

3. Inspect Serpentine Belt

Tools Required: Socket set, flashlight.
Sub-steps:
1. Locate the serpentine belt routing diagram (usually found on the engine cover).
2. Inspect the belt for cracks, fraying, or glazing.
3. If damage is found, remove the belt by loosening the tensioner pulley.
4. Replace the belt with a new one, ensuring proper alignment.

4. Examine Wheel Bearings

Tools Required: Jack and jack stands, socket set.
Sub-steps:
1. Safely lift the front or rear of the vehicle and secure it on jack stands.
2. Grasp the wheel at the 12 and 6 o’clock positions; check for play.
3. If play is detected, disassemble the wheel hub and replace the wheel bearing.

5. Transmission Fluid Check

Tools Required: Transmission fluid, funnel, dipstick (if applicable).
Sub-steps:
1. Locate the transmission dipstick (if equipped) or access the fill plug.
2. Check the fluid level and condition (should be bright red and clear).
3. If low, top off with the recommended transmission fluid.
4. If dirty or burnt, perform a transmission fluid change.