why does my Ford Explorer make a hissing noise when turning the steering wheel

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

544 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix the hissing noise when turning the steering wheel in a 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 engine to cool before working on any components to avoid burns.

Symptoms

•Hissing noise when steering is turned
•Difficulty in steering or increased effort required
•Fluid leaks under the vehicle
•Check power steering fluid level warning light
•Steering wheel feels stiff or unresponsive at times

Diagnostic Steps

1
Inspect the power steering fluid level to ensure it is within the recommended range.
2
Examine the power steering pump for signs of damage or leaks.
3
Check for leaks in the power steering hoses and connections.
4
Listen for noise from the power steering reservoir while turning the wheel.
5
Test the steering gear and rack for any binding or excessive wear.
6
Scan for any error codes related to steering assist (if equipped with electronic power steering).

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
•Funnel
•Shop towels
•Jack
•Jack stands

Parts Required

•Power steering fluid
•Power steering pump (if defective)
•Power steering hoses (if damaged)

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Diagnostic Steps

1
Inspect the power steering fluid level to ensure it is within the recommended range.
2
Examine the power steering pump for signs of damage or leaks.
3
Check for leaks in the power steering hoses and connections.
4
Listen for noise from the power steering reservoir while turning the wheel.
5
Test the steering gear and rack for any binding or excessive wear.
6
Scan for any error codes related to steering assist (if equipped with electronic power steering).

Solution

1. Preparation

Gather tools: socket set, wrench set, power steering fluid, funnel, shop towels.
Raise the front of the vehicle using a jack and secure it with jack stands.
Disconnect the battery to prevent any electrical issues during repair.

2. Inspect and Replace Power Steering Fluid

Locate the power steering reservoir and remove the cap.
Use a funnel to drain old power steering fluid into a suitable container.
Refill the reservoir with manufacturer-recommended power steering fluid until it reaches the proper level.

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

Remove the serpentine belt by loosening the tensioner.
Disconnect the power steering pump from the power steering lines (use a wrench).
Unmount the pump from its bracket and replace it with a new one.
Reconnect the power steering lines and ensure they are tight.
Reinstall the serpentine belt and ensure proper alignment.

4. Inspect and Replace Power Steering Hoses (if necessary)

Locate the power steering hoses and check for cracks or leaks.
Use a wrench to disconnect the hoses from the pump and the steering gear.
Replace any damaged hoses with new ones and reconnect them securely.

5. Final Assembly

Reconnect the battery.
Start the engine and turn the steering wheel left and right to bleed any air from the system.
Check the fluid level again and add more if necessary.