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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

513 words

Problem Statement

Learn how to diagnose and fix the hissing sound when turning the steering wheel in your Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Steering

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow engine to cool before opening any components related to the cooling system.
•Make sure to wear gloves to protect your hands from fluid.

Symptoms

•Hissing or whining noise while turning the steering wheel
•Difficulty steering, especially at low speeds
•Fluid leaks under the vehicle
•Steering wheel feels stiff or unresponsive
•Power steering warning light illuminated (if applicable)

Diagnostic Steps

1
Inspect power steering fluid level in the reservoir.
2
Check for visible leaks around power steering lines and steering gear.
3
Listen for noise at the power steering pump while turning the wheel.
4
Inspect the condition of the power steering belt for wear or damage.
5
Scan for any error codes using an OBD-II scanner (if applicable).

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

•OBD-II scanner
•Fluid catch pan
•Power steering fluid
•Socket set
•Torque wrench
•Wrench set
•Belt tensioner tool

Parts Required

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

Related Faults

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Diagnostic Steps

1
Inspect power steering fluid level in the reservoir.
2
Check for visible leaks around power steering lines and steering gear.
3
Listen for noise at the power steering pump while turning the wheel.
4
Inspect the condition of the power steering belt for wear or damage.
5
Scan for any error codes using an OBD-II scanner (if applicable).

Solution

1. Preparation

Gather tools and materials: OBD-II scanner, fluid catch pan, power steering fluid, socket set, and rags.
Ensure the engine is off and the vehicle is on a level surface.

2. Check Power Steering Fluid

Locate the power steering fluid reservoir.
Remove the cap and check the fluid level; it should be between the minimum and maximum marks.
If low, add the appropriate type of power steering fluid as specified in the owner's manual.

3. Inspect for Leaks

Look for signs of power steering fluid leaks around hoses and fittings.
If leaks are found, replace the damaged hoses or fittings.
- Tools Required: Wrench set, hose clamps.
- Safety Warning: Make sure to wear gloves to protect your hands from fluid.

4. Inspect Power Steering Pump

Start the engine and turn the steering wheel to the left and right.
Listen for the hissing noise coming from the power steering pump.
If the noise persists, consider replacing the power steering pump.
- Tools Required: Socket set, torque wrench.
- Safety Warning: Allow the engine to cool before working.

5. Check Power Steering Belt

Inspect the power steering belt for cracks, fraying, or glazing.
If the belt is worn, replace it with a new one.
- Tools Required: Socket set, belt tensioner tool.
- Safety Warning: Ensure the engine is off before starting this step.