how to troubleshoot electric power steering problems on Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

477 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 troubleshoot and fix electric power steering problems on Ford Explorer (2011-2019). Step-by-step guide with 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 to prevent shock or short circuits.

Symptoms

•Steering feels heavy or unresponsive
•Illuminated power steering warning light on the dashboard
•Unusual noises while steering (e.g., whining or grinding)
•Fluctuating power assist while driving
•Steering wheel vibration or shuddering

Diagnostic Steps

1
Check for any stored trouble codes using an OBD-II scanner.
2
Inspect the power steering fluid level and condition (if applicable for specific EPS systems).
3
Examine the EPS fuse and relays for continuity and proper function.
4
Visually inspect wiring harnesses and connectors for damage or corrosion.
5
Test the EPS motor and torque sensor for proper operation using a multimeter.
6
Verify the battery voltage and charging system (ensure it meets specifications).

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
•Multimeter
•Fuse puller
•Socket set
•Torque wrench

Parts Required

•Replacement fuses/relays
•Wiring harness (if damaged)
•EPS motor (if faulty)

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Diagnostic Steps

1
Check for any stored trouble codes using an OBD-II scanner.
2
Inspect the power steering fluid level and condition (if applicable for specific EPS systems).
3
Examine the EPS fuse and relays for continuity and proper function.
4
Visually inspect wiring harnesses and connectors for damage or corrosion.
5
Test the EPS motor and torque sensor for proper operation using a multimeter.
6
Verify the battery voltage and charging system (ensure it meets specifications).

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery to ensure safety during the repair process.

2. Inspect and Replace Fuses/Relays

Locate the power steering fuses and relays in the fuse box.
Remove the fuses/relays using a fuse puller.
Inspect fuses for blown elements; replace if necessary.
Test relays for continuity; replace faulty relays.

3. Repair or Replace Wiring Harness

Inspect the wiring harness connected to the EPS system for any visible damage.
If damage is found, repair the wiring using appropriate connectors and solder.
Ensure all connections are secure and free from corrosion.

4. Test and Replace EPS Motor (if necessary)

Disconnect the EPS motor connector.
Test the motor using a multimeter for proper resistance and operation.
If the motor is faulty, remove the mounting bolts and disconnect any remaining connectors.
Replace with a new EPS motor, ensuring proper alignment and securing all connections.

5. Reconnect Battery and Test

Reconnect the vehicle battery.
Start the vehicle and turn the steering wheel from lock to lock to recalibrate the EPS system.
Check for any warning lights on the dashboard.