why does my Ford Explorer 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

566 words

Problem Statement

Learn how to diagnose and fix the whining noise when turning 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 the battery before working on electrical systems.
•Allow the engine to cool before attempting to open any components.

Symptoms

•Whining noise when turning the steering wheel
•Difficulty steering at low speeds
•Steering wheel feels stiff or unresponsive
•Fluid leaks under the vehicle
•Check engine light may be illuminated

Diagnostic Steps

1
Check power steering fluid level and condition.
2
Inspect for any visible leaks in the power steering hoses and connections.
3
Listen for the noise while stationary, turning the steering wheel from side to side.
4
Inspect the power steering pump for any signs of damage or wear.
5
Test the steering rack for any binding or unusual resistance.
6
Check for worn or damaged serpentine belt that may be causing the noise.

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 set
•Wrench set
•Power steering fluid
•Fluid catch pan
•Serpentine belt tool

Parts Required

•Power steering pump (if defective)
•Serpentine belt (if worn)

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Diagnostic Steps

1
Check power steering fluid level and condition.
2
Inspect for any visible leaks in the power steering hoses and connections.
3
Listen for the noise while stationary, turning the steering wheel from side to side.
4
Inspect the power steering pump for any signs of damage or wear.
5
Test the steering rack for any binding or unusual resistance.
6
Check for worn or damaged serpentine belt that may be causing the noise.

Solution

1. Preparation

Gather tools and parts needed.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to ensure safety.

2. Check and Top Off Power Steering Fluid

Locate the power steering fluid reservoir.
Remove the cap and check the fluid level; it should be between the "Min" and "Max" marks.
If low, add the manufacturer's recommended power steering fluid until it reaches the appropriate level.

3. Inspect and Replace Power Steering Pump (if necessary)

Tools Required: Socket set, wrench set, power steering fluid, fluid catch pan.
Remove any components obstructing access to the power steering pump.
Disconnect the power steering hoses from the pump, using a fluid catch pan to collect any spillage.
Unbolt the power steering pump from its mounting bracket and remove it.
Install the new power steering pump by reversing the removal steps.
Reconnect the hoses and ensure they are secured properly.

4. Inspect and Replace Serpentine Belt (if necessary)

Tools Required: Socket set, serpentine belt tool.
Locate the serpentine belt tensioner and relieve tension using the appropriate tool.
Remove the old serpentine belt and inspect for signs of wear or damage.
Install the new serpentine belt by following the routing diagram usually found on the engine cover.
Ensure the belt is properly seated on all pulleys and reapply tension.

5. Test the System

Reconnect the battery.
Start the engine and turn the steering wheel from side to side to purge any air from the system.
Check the power steering fluid level again and top off if necessary.