how to diagnose electric power steering problems in 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

516 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 electric power steering issues in 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.
•Ensure the vehicle is securely supported if elevated for access.

Symptoms

•Steering feels heavy or unresponsive
•Unusual noises when turning the steering wheel
•EPS warning light illuminated on the dashboard
•Intermittent loss of power steering assistance
•Vibrations in the steering wheel

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any fault codes related to the EPS system.
2
Inspect the power steering fluid level and condition; refill or replace if necessary.
3
Visually inspect the wiring and connectors for any signs of damage or corrosion.
4
Check the EPS motor for proper operation by measuring voltage and ground connections.
5
Test the EPS sensor output using a multimeter to ensure it is within specifications.
6
Verify the condition of the steering column and rack for any mechanical binding or damage.

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
•Socket set
•Torque wrench
•Wire strippers
•Funnel

Parts Required

•EPS motor (if faulty)
•Power steering fluid

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any fault codes related to the EPS system.
2
Inspect the power steering fluid level and condition; refill or replace if necessary.
3
Visually inspect the wiring and connectors for any signs of damage or corrosion.
4
Check the EPS motor for proper operation by measuring voltage and ground connections.
5
Test the EPS sensor output using a multimeter to ensure it is within specifications.
6
Verify the condition of the steering column and rack for any mechanical binding or damage.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the negative battery terminal to avoid electrical shorts.
Ensure the vehicle is on a level surface and securely raised if necessary.

2. Inspect Wiring and Connectors

Sub-steps:
- Remove any protective covers to access the EPS wiring.
- Inspect all connections for corrosion or looseness.
- Repair or replace any damaged wiring or connectors as necessary.
Tools Required: Wire strippers, electrical tape, multimeter.

3. Replace EPS Motor (if faulty)

Sub-steps:
- Disconnect the EPS motor electrical connector.
- Remove the mounting bolts securing the EPS motor to the steering column.
- Carefully pull the motor away from the column and replace with a new EPS motor.
- Reattach the mounting bolts and secure the electrical connector.
Tools Required: Socket set, torque wrench.

4. Refill and Bleed Power Steering Fluid

Sub-steps:
- Check the power steering fluid reservoir for any leaks.
- If low, refill with the manufacturer's recommended power steering fluid.
- Start the vehicle and turn the steering wheel from lock to lock to bleed air from the system.
Tools Required: Funnel, fluid container.

5. Reconnect Battery and Test

Sub-steps:
- Reconnect the negative battery terminal.
- Start the vehicle and check for EPS warning light.
- Conduct a test drive to ensure proper steering function.