why does my Ford Explorer Fifth Generation (2011-2019) make a whining noise when turning

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

563 words

Problem Statement

Learn how to diagnose and fix whining noise when turning in Ford Explorer (2011-2019). 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 the battery before working on electrical systems.
•Allow the engine to cool before opening the power steering reservoir.

Symptoms

•Whining noise noticeable only during turns
•Difficulty steering or increased steering effort
•Fluid leakage around the power steering system
•Noise changes with vehicle speed
•Vibration in the steering wheel

Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Check for leaks in the power steering system, including hoses and the pump.
3
Listen for noise while turning the steering wheel without moving the vehicle.
4
Examine the condition of the serpentine belt for wear or damage.
5
Test the steering rack and pinion for smooth operation and any binding.
6
Inspect the wheel bearings for wear or damage.

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

•Fluid pump
•Socket set
•Belt removal tool
•Wrench set
•Torque wrench

Parts Required

•Power steering fluid
•Serpentine belt
•Power steering pump (if needed)
•Wheel bearings (if needed)

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Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Check for leaks in the power steering system, including hoses and the pump.
3
Listen for noise while turning the steering wheel without moving the vehicle.
4
Examine the condition of the serpentine belt for wear or damage.
5
Test the steering rack and pinion for smooth operation and any binding.
6
Inspect the wheel bearings for wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to ensure safety while working on electrical components.

2. Check and Replace Power Steering Fluid

Tools Required: Fluid pump, clean rags.
Remove the power steering reservoir cap.
Use a fluid pump to extract old power steering fluid and replace it with new fluid as specified in the owner's manual.
Reinstall the cap securely.

3. Inspect and Replace Serpentine Belt (if necessary)

Tools Required: Socket set, belt removal tool.
Locate the serpentine belt routing diagram under the hood.
Release tension on the serpentine belt using a belt tensioner tool.
Remove the old belt and inspect pulleys for damage.
Install the new belt according to the routing diagram and ensure it is properly tensioned.

4. Repair or Replace Power Steering Pump (if necessary)

Tools Required: Socket set, wrench set, power steering fluid.
Disconnect the power steering lines from the pump. Be cautious of fluid spillage.
Unbolt the power steering pump from its bracket and remove it.
Install the new pump and reconnect the power steering lines.
Refill the power steering fluid and bleed the system by turning the wheel from lock to lock.

5. Inspect and Replace Wheel Bearings (if necessary)

Tools Required: Jack and jack stands, socket set, torque wrench.
Lift the front of the vehicle and secure it on jack stands.
Remove the front wheels and inspect the wheel bearings for play or noise.
If the bearings are worn, replace them by removing the hub assembly and installing new bearings.