what are the common signs of failing EPS 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

486 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

Discover the common signs of failing EPS in Ford Explorer (2011-2019). Learn diagnostic steps, tools needed, and repair solutions for effective steering.

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 down before undertaking repairs.

Symptoms

•Steering wheel becomes difficult to turn, especially at low speeds
•Intermittent loss of power steering assist
•Steering wheel feels overly light or unresponsive
•Noise coming from the steering column when turning
•Warning light illuminated on the dashboard (EPS or steering warning light)
•Steering wheel vibration or shudder during operation

Diagnostic Steps

1
Inspect for any visible damage or disconnection in the EPS wiring harness.
2
Use an OBD-II scanner to check for any stored error codes related to the EPS system.
3
Verify the battery voltage and ground connections to ensure proper power supply to the EPS system.
4
Check the fluid level and condition of the power steering fluid (if applicable, as some EPS systems are fluid-less).
5
Test the steering angle sensor for proper operation using a multimeter.
6
Examine the EPS motor for signs of wear or failure.

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
•Steering wheel puller

Parts Required

•New EPS motor (if replacement is needed)
•Electrical connectors or wiring harness (if damaged)

Related Faults

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Symptoms

•Steering wheel becomes difficult to turn, especially at low speeds

•Intermittent loss of power steering assist

•Steering wheel feels overly light or unresponsive

•Noise coming from the steering column when turning

•Warning light illuminated on the dashboard (EPS or steering warning light)

•Steering wheel vibration or shudder during operation

Diagnostic Steps

1
Inspect for any visible damage or disconnection in the EPS wiring harness.
2
Use an OBD-II scanner to check for any stored error codes related to the EPS system.
3
Verify the battery voltage and ground connections to ensure proper power supply to the EPS system.
4
Check the fluid level and condition of the power steering fluid (if applicable, as some EPS systems are fluid-less).
5
Test the steering angle sensor for proper operation using a multimeter.
6
Examine the EPS motor for signs of wear or failure.

Solution

1. Preparation

Gather necessary tools and parts. Ensure the vehicle is parked on a level surface and the engine is off.
Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, steering wheel puller (if necessary).

2. Address Wiring Issues

Inspect the EPS wiring harness for any signs of fraying, corrosion, or disconnection.
If damaged, repair or replace the wiring as needed. Ensure all connectors are secure.

3. Replace EPS Motor

Disconnect the vehicle battery to prevent electrical shorts.
Remove the steering column cover to access the EPS motor.
Disconnect the EPS motor electrical connector.
Unbolt the EPS motor from its mounting points using the appropriate socket size.
Install the new EPS motor in reverse order, ensuring bolts are torqued to manufacturer specifications (usually around 20-25 lb-ft).

4. Reconnect and Test

Reconnect the battery.
Reinstall the steering column cover.
Clear any error codes from the OBD-II scanner.
Test drive the vehicle to ensure proper steering function and check for any warning lights.