how to diagnose and fix EPS issues on Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

531 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 EPS issues in Ford Explorer Sixth Generation (2020-present). 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 battery before working on electrical systems.
•Allow the vehicle to cool before inspecting components.

Symptoms

•Steering feels heavy or is difficult to turn
•EPS warning light illuminated on the dashboard
•Unusual noises when turning the steering wheel
•Intermittent loss of power steering assist
•Steering wheel vibrations while driving

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any EPS-related fault codes.
2
Check the EPS fluid level and condition, ensuring it is within the recommended range and free of contamination.
3
Inspect the EPS electrical connections and wiring for signs of damage or corrosion.
4
Test the EPS motor by measuring voltage at the motor connector while turning the steering wheel.
5
Check the vehicle’s battery voltage to ensure it is within the proper range (12.4V to 12.7V) for optimal EPS operation.
6
Examine the power steering rack and pinion for leaks or physical 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
•Screwdrivers

Parts Required

•Ford-approved EPS fluid
•EPS motor (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any EPS-related fault codes.
2
Check the EPS fluid level and condition, ensuring it is within the recommended range and free of contamination.
3
Inspect the EPS electrical connections and wiring for signs of damage or corrosion.
4
Test the EPS motor by measuring voltage at the motor connector while turning the steering wheel.
5
Check the vehicle’s battery voltage to ensure it is within the proper range (12.4V to 12.7V) for optimal EPS operation.
6
Examine the power steering rack and pinion for leaks or physical damage.

Solution

1. Preparation

Gather tools and parts required for the repair.
Park the vehicle on a level surface and ensure the ignition is off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replenish EPS Fluid

Locate the EPS fluid reservoir under the hood.
Remove the cap and check the fluid level; add fluid if low, using Ford-approved EPS fluid.
Replace the cap securely after checking.

3. Repair or Replace EPS Components

A. Repair Electrical Connections

Inspect the EPS wiring harness for damage.
Clean corroded connectors with electrical contact cleaner.
Reconnect any loose wires securely.

B. Replace EPS Motor (if necessary)

Remove the steering column covers to access the EPS motor.
Disconnect the electrical connector from the EPS motor.
Remove the mounting bolts securing the EPS motor to the steering column.
Install the new EPS motor by reversing the removal steps, ensuring proper alignment.
Torque the mounting bolts to the manufacturer's specifications (consult service manual for exact torque values).

4. Reconnect Battery and Test

Reconnect the negative battery terminal.
Start the vehicle and check for any warning lights on the dashboard.
Test the steering by turning the wheel to ensure proper operation.