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

516 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

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool down before working on the engine components.

Symptoms

•Whining noise during turns
•Increased steering effort
•Fluid leaks around the power steering pump or rack
•Steering wheel vibration
•Intermittent loss of power steering assist

Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Check for any visible leaks in the power steering system.
3
Listen for the noise with the hood open to pinpoint its source.
4
Inspect the condition of the power steering pump and belt for wear or damage.
5
Test the power steering pressure with a gauge.
6
Examine the steering rack 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

•Fluid container
•Funnel
•Socket set
•Torque wrench
•Serpentine belt tool
•Line wrenches

Parts Required

•Power steering fluid
•Power steering pump (if needed)
•Steering rack (if needed)

Related Faults

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Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Check for any visible leaks in the power steering system.
3
Listen for the noise with the hood open to pinpoint its source.
4
Inspect the condition of the power steering pump and belt for wear or damage.
5
Test the power steering pressure with a gauge.
6
Examine the steering rack for play or damage.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery (negative terminal) for safety.

2. Inspect and Replace Power Steering Fluid

Sub-steps:
- Remove the power steering fluid reservoir cap.
- Check the fluid level; if low, top it off with the recommended fluid type.
- If the fluid is dirty or contaminated, proceed to replace it.
Tools Required: Fluid container, funnel.

3. Inspect and Replace Power Steering Pump

Sub-steps:
- Remove the serpentine belt using a tensioner tool.
- Disconnect the power steering pump lines and remove any mounting bolts.
- Replace the power steering pump with a new, compatible unit.
- Reconnect the lines and ensure all connections are tight.
Tools Required: Socket set, torque wrench, line wrenches.

4. Inspect and Replace Steering Rack (if necessary)

Sub-steps:
- Disconnect the steering shaft from the rack.
- Remove the power steering lines from the rack.
- Unbolt the steering rack from its mounts and gently remove it.
- Install the new steering rack and reconnect all components in reverse order.
Tools Required: Socket set, torque wrench.

5. Refill and Bleed Power Steering System

Sub-steps:
- Refill the power steering fluid reservoir with the appropriate type.
- Turn the steering wheel from lock to lock several times to bleed air out of the system.
- Check fluid level again and top off if necessary.
Tools Required: Funnel.