how to troubleshoot electric power steering noise on Volkswagen Golf Seventh Generation (2013-2020)

Volkswagen Golf Eighth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

560 words

Problem Statement

Learn how to troubleshoot electric power steering noise in Volkswagen Golf (2013-2020). 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.
•Allow the vehicle to sit for a while to ensure the steering components are cool before inspection.

Symptoms

•Whining or grinding noise when turning the steering wheel
•Intermittent loss of power steering assist
•Steering wheel feels stiffer than usual
•Warning light for power steering or steering assist illuminated on the dashboard
•Unusual vibrations felt through the steering column

Diagnostic Steps

1
Inspect the power steering fluid reservoir for proper fluid level.
2
Check for any visible leaks in the power steering system.
3
Test the voltage and ground at the power steering motor connector using a multimeter.
4
Scan the vehicle for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
5
Inspect the steering column and associated linkage for any signs of wear or damage.
6
Listen to the electric power steering motor while turning the steering wheel to identify the noise source.

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
•Fluid catch basin

Parts Required

•Power steering fluid (manufacturer-recommended type)
•Power steering motor (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Inspect the power steering fluid reservoir for proper fluid level.
2
Check for any visible leaks in the power steering system.
3
Test the voltage and ground at the power steering motor connector using a multimeter.
4
Scan the vehicle for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
5
Inspect the steering column and associated linkage for any signs of wear or damage.
6
Listen to the electric power steering motor while turning the steering wheel to identify the noise source.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, torque wrench, and a fluid catch basin.
Ensure the vehicle is parked on a level surface and set the parking brake.
Disconnect the vehicle battery to ensure safety during repairs.

2. Inspect and Replace Power Steering Fluid

Step 1: Locate the power steering fluid reservoir.
Step 2: Remove the cap and check the fluid level. If low, top off with the manufacturer-recommended fluid (check owner’s manual for specifications).
Step 3: If fluid appears dirty or contaminated, drain the system using a fluid catch basin, then refill with fresh fluid.

3. Check and Replace Power Steering Motor

Step 1: Remove the wheel arch liner to access the power steering motor.
Step 2: Disconnect the electrical connector from the power steering motor.
Step 3: Remove the mounting bolts securing the motor using a socket set.
Step 4: Install the new power steering motor and torque the bolts to the manufacturer’s specifications (check service manual for torque values).
Step 5: Reconnect the electrical connector securely.

4. Inspect and Repair Steering Column Components

Step 1: Remove the steering wheel using a steering wheel puller if necessary.
Step 2: Inspect the steering column assembly for any damaged components such as bearings or universal joints.
Step 3: Replace any worn or damaged parts.
Step 4: Reassemble the steering wheel and ensure it is properly torqued.