why is my Ford Explorer making a hissing noise when I turn

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

548 words

Problem Statement

Learn how to diagnose and fix the hissing 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 components.
•Allow the engine to cool before opening any fluid reservoirs.

Symptoms

•Hissing noise when turning the steering wheel
•Difficulty steering or increased effort required to turn
•Possible fluid leaks under the vehicle
•Steering wheel vibrations or unusual feedback
•Check engine or power steering warning lights illuminated (if applicable)

Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Check for visible leaks in the power steering system.
3
Listen for hissing noise while turning the steering wheel to pinpoint the source.
4
Examine the power steering pump for signs of wear or damage.
5
Inspect the steering rack and associated hoses for damage or blockages.
6
Test the steering system for any unusual play or resistance.

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 (if needed for warning lights)
•Socket set
•Wrench set
•Fluid catch pan

Parts Required

•Power steering fluid
•Power steering pump (if replacement is necessary)
•Hoses and clamps (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Check for visible leaks in the power steering system.
3
Listen for hissing noise while turning the steering wheel to pinpoint the source.
4
Examine the power steering pump for signs of wear or damage.
5
Inspect the steering rack and associated hoses for damage or blockages.
6
Test the steering system for any unusual play or resistance.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the battery to ensure safety during repairs.

2. Inspect and Top Off Power Steering Fluid

Locate the power steering fluid reservoir.
Remove the cap and check the fluid level; it should be within the recommended range.
If low, add the appropriate power steering fluid as specified in the owner's manual.

3. Check for Leaks

Visually inspect the power steering hoses and connections for any signs of fluid leakage.
If any leaks are found, tighten or replace the affected hoses or clamps as necessary.

4. Replace Power Steering Pump (if needed)

Tools Required: Socket set, wrench set, fluid catch pan
Remove any components obstructing access to the power steering pump.
Disconnect the power steering hoses carefully, allowing fluid to drain into the catch pan.
Unbolt the power steering pump from its mounting bracket.
Install the new power steering pump and secure it with bolts to the mounting bracket.
Reconnect the power steering hoses, ensuring they are tight and leak-free.

5. Bleed the Power Steering System

Fill the power steering reservoir with fluid.
Start the engine and turn the steering wheel from lock to lock several times to purge air from the system.
Check fluid levels and top off as necessary.

6. Reassemble and Test

Reinstall any components that were removed earlier.
Reconnect the battery.
Start the vehicle and test the steering for any remaining noise or issues.