what are the symptoms of a failing electric power steering system in Volkswagen Golf MK6 (2009-2014)

Volkswagen Golf MK7 (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

563 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 symptoms of electric power steering failure in Volkswagen Golf MK6 (2009-2014) and learn how to diagnose and fix the issue effectively.

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 the vehicle to cool down if it has been running before performing any repairs.

Symptoms

•Difficulty in steering, requiring more effort to turn the wheel
•Steering wheel feels heavy or unresponsive
•Unusual noises such as whining or grinding when steering
•Dashboard warning light for power steering or EPS illuminated
•Intermittent loss of power steering assistance
•Steering wheel vibrations or shakes during operation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any power steering system-related faults.
2
Inspect the power steering fuse and relays for continuity and functionality.
3
Check the condition and connections of the power steering wiring harness for any signs of damage or corrosion.
4
Measure the voltage at the electric power steering motor connector to ensure adequate power supply.
5
Test the steering angle sensor for proper operation using a multimeter.
6
Inspect fluid levels and ensure there is no leakage in the system, even though it's an electric system.

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
•Pliers

Parts Required

•Power steering fuse (if blown)
•Power steering relay (if faulty)
•Electric power steering motor (if damaged)

Related Faults

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Symptoms

•Difficulty in steering, requiring more effort to turn the wheel

•Steering wheel feels heavy or unresponsive

•Unusual noises such as whining or grinding when steering

•Dashboard warning light for power steering or EPS illuminated

•Intermittent loss of power steering assistance

•Steering wheel vibrations or shakes during operation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any power steering system-related faults.
2
Inspect the power steering fuse and relays for continuity and functionality.
3
Check the condition and connections of the power steering wiring harness for any signs of damage or corrosion.
4
Measure the voltage at the electric power steering motor connector to ensure adequate power supply.
5
Test the steering angle sensor for proper operation using a multimeter.
6
Inspect fluid levels and ensure there is no leakage in the system, even though it's an electric system.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to avoid electrical shock.
Ensure the vehicle is on a level surface and secure it with wheel chocks.

2. Inspect and Replace Fuses and Relays

Locate the fuse box and identify the power steering fuse.
Remove the fuse and visually inspect it for a break. If damaged, replace it with a new fuse of the same amperage.
Check the power steering relay by swapping it with a similar relay to see if the issue resolves. Replace if faulty.

3. Repair Wiring Connections

Inspect the power steering wiring harness for any visible damage or wear.
Use a multimeter to test for continuity in the wires. Repair or replace any damaged sections.
Ensure all connectors are clean and properly seated, applying dielectric grease if needed to prevent corrosion.

4. Replace the Electric Power Steering Motor (if necessary)

Remove the steering column covers to access the electric power steering motor.
Disconnect the electrical connectors and any mounting bolts securing the motor.
Replace the motor with a new unit, ensuring it is properly aligned and secured.
Reconnect the electrical connectors.

5. Reassemble and Test

Reinstall any covers removed during the repair.
Reconnect the negative battery terminal.
Start the vehicle and test the steering system for proper operation.