how to test the power steering pump on my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

608 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 test the power steering pump on your Ford Explorer (2011-2019). 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 engine components to cool before handling.

Symptoms

•Difficulty steering the vehicle
•Whining or groaning noises when turning
•Low power steering fluid level
•Steering wheel feels heavy
•Fluid leaks around the power steering pump

Diagnostic Steps

1
Check Fluid Level: Inspect the power steering fluid reservoir to ensure it is filled to the recommended level.
2
Inspect for Leaks: Look for any visible leaks around the power steering pump and hoses.
3
Scan for Error Codes: Use an OBD-II scanner to check for any steering-related error codes that may indicate pump failure.
4
Listen for Noises: Start the engine and turn the steering wheel to listen for abnormal sounds from the power steering pump.
5
Check for Vibration: With the engine running, observe if there's excessive vibration coming from the pump area.
6
Test Steering Response: Turn the steering wheel from lock to lock and note the effort required and any noise produced.

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

•Wrench set
•Fluid catch pan
•Power steering fluid
•OBD-II scanner
•Multimeter
•Power steering pressure gauge

Parts Required

•New power steering pump (if defective)
•Power steering fluid (if low)

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Diagnostic Steps

1
Check Fluid Level: Inspect the power steering fluid reservoir to ensure it is filled to the recommended level.
2
Inspect for Leaks: Look for any visible leaks around the power steering pump and hoses.
3
Scan for Error Codes: Use an OBD-II scanner to check for any steering-related error codes that may indicate pump failure.
4
Listen for Noises: Start the engine and turn the steering wheel to listen for abnormal sounds from the power steering pump.
5
Check for Vibration: With the engine running, observe if there's excessive vibration coming from the pump area.
6
Test Steering Response: Turn the steering wheel from lock to lock and note the effort required and any noise produced.

Solution

1. Preparation

Gather necessary tools and ensure the vehicle is parked on a flat surface.
Disconnect the battery to prevent electrical shorts.
Tools Required:
- Wrench set
- Fluid catch pan
- Power steering fluid (if low)
- OBD-II scanner

2. Inspect Power Steering Fluid

Remove the power steering fluid reservoir cap.
Check fluid condition; it should be clear or light amber, not dark or contaminated.
If the fluid is low, top it up with the manufacturer's recommended power steering fluid type.

3. Remove and Inspect Pump

Disconnect the negative battery terminal to ensure safety.
Use a wrench to remove the bolts securing the power steering pump to the engine.
Disconnect the power steering lines; be prepared for fluid spillage by placing a catch pan underneath.
Inspect the pump for any signs of wear, damage, or leaks.

4. Perform Pump Test

Using a multimeter, check the voltage supply to the power steering pump while the engine is running and the steering wheel is being turned.
If applicable, test the pump pressure using a power steering pressure gauge; compare the readings against manufacturer specifications.

5. Reinstall or Replace

If the pump is functional, reassemble by reversing the disassembly steps, ensuring all connections are tight.
If the pump is defective, replace it with a new unit, following the manufacturer’s installation instructions.

6. Refill and Bleed System

Refill the power steering fluid reservoir to the appropriate level.
Start the engine and turn the steering wheel from lock to lock to bleed any air from the system.
Check for leaks after the system is bled and the fluid is at the proper level.