why does my Ford Explorer make a whining noise when turning

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

575 words

Problem Statement

Learn how to diagnose and fix whining noise when turning in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Avoid skin contact with power steering fluid; it can be harmful.
•Ensure the engine is off and cool before starting work.
•Disconnect the battery before working on electrical systems.

Symptoms

•Whining noise during left or right turns
•Increased resistance when turning the steering wheel
•Fluid leak under the vehicle (power steering fluid)
•Steering wheel feels loose or unresponsive
•Possible check engine light illuminated

Diagnostic Steps

1
Inspect power steering fluid level and condition using the dipstick or reservoir.
2
Listen for the noise while turning the steering wheel to determine if it changes with engine RPM.
3
Check for power steering fluid leaks around hoses and the steering rack.
4
Examine the serpentine belt for wear, cracks, or looseness.
5
Test the power steering pump for proper operation and any unusual noises when activated.
6
Inspect wheel bearings for play 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

•Funnel
•Turkey baster (for old fluid removal)
•Socket set
•Wrench set
•Fluid catch pan
•Serpentine belt tool (if applicable)

Parts Required

•Power steering fluid
•Power steering pump (if replacement is necessary)
•Serpentine belt (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Inspect power steering fluid level and condition using the dipstick or reservoir.
2
Listen for the noise while turning the steering wheel to determine if it changes with engine RPM.
3
Check for power steering fluid leaks around hoses and the steering rack.
4
Examine the serpentine belt for wear, cracks, or looseness.
5
Test the power steering pump for proper operation and any unusual noises when activated.
6
Inspect wheel bearings for play or damage.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is on a flat surface and securely supported with jack stands.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Power Steering Fluid

Sub-steps:
1. Locate the power steering reservoir and remove the cap.
2. Check the fluid level; if low, top off with manufacturer-recommended fluid.
3. If fluid is dark or contaminated, proceed to replace it.
Tools Required: Funnel, turkey baster (for old fluid removal).
Safety Warnings: Avoid skin contact with power steering fluid; it can be harmful.

3. Replace Power Steering Pump (if necessary)

Sub-steps:
1. Disconnect the power steering hoses from the pump using a wrench.
2. Remove the mounting bolts securing the power steering pump and pull it out.
3. Install the new power steering pump and reattach the hoses, ensuring they are tight.
4. Refill the power steering fluid reservoir and bleed the system according to the manufacturer's instructions.
Tools Required: Socket set, wrench set, fluid catch pan.
Safety Warnings: Ensure the engine is off and cool before starting work.

4. Inspect and Replace Serpentine Belt (if necessary)

Sub-steps:
1. Locate the serpentine belt tensioner and use a wrench to relieve tension.
2. Remove the old belt and inspect pulleys for wear or damage.
3. Install the new belt, ensuring it follows the correct routing diagram.
Tools Required: Wrench set, serpentine belt tool (if applicable).
Safety Warnings: Be cautious of moving parts while the engine is running.