why does my Volkswagen Golf MK7 (2015-2019) make a grinding noise when turning

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

564 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 grinding noise when turning in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Always use jack stands when working under the vehicle.

Symptoms

•Grinding noise when turning the steering wheel
•Increased play in the steering wheel
•Vibration felt through the steering wheel
•Abnormal tire wear patterns
•Possible warning lights illuminated on the dashboard

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Scan for error codes using an OBD-II scanner.
3
Visually inspect the front suspension components for wear or damage.
4
Check for any debris or foreign objects lodged in the wheel well.
5
Inspect brake pads and rotors for uneven wear or damage.
6
Test drive the vehicle to replicate the noise and determine under what conditions it occurs (e.g., left vs. right turn).

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
•Jack and jack stands
•Socket set
•Torque wrench
•Funnel
•Brake cleaner

Parts Required

•Power steering fluid
•Suspension components (as needed)
•Brake pads and/or rotors (as needed)

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Scan for error codes using an OBD-II scanner.
3
Visually inspect the front suspension components for wear or damage.
4
Check for any debris or foreign objects lodged in the wheel well.
5
Inspect brake pads and rotors for uneven wear or damage.
6
Test drive the vehicle to replicate the noise and determine under what conditions it occurs (e.g., left vs. right turn).

Solution

1. Preparation

Gather tools and parts for the repair.
Ensure the vehicle is parked on a level surface and secured with wheel chocks.
Disconnect the negative battery terminal to prevent electrical issues.

2. Inspect and Replace Power Steering Fluid

Tools Required: Funnel, new power steering fluid
Check the power steering fluid reservoir; if low, top it off with manufacturer-recommended fluid.
If the fluid appears contaminated or has debris, proceed to replace it:
- Locate the power steering fluid pump and drain the old fluid into a container.
- Refill with new power steering fluid and bleed the system by turning the steering wheel from lock to lock.

3. Replace Worn Suspension Components

Tools Required: Jack and jack stands, socket set, torque wrench
Raise the front of the vehicle and secure it with jack stands.
Inspect control arm bushings, ball joints, and tie rod ends for wear. Replace any damaged components:
- Remove the bolts securing the worn component.
- Install the new part, ensuring to torque bolts to the manufacturer's specifications.

4. Brake Inspection and Replacement

Tools Required: Jack and jack stands, socket set, torque wrench, brake cleaner
Inspect brake pads and rotors for uneven wear:
- If pads are worn below the minimum thickness or rotors are scored, replace them.
- Remove the wheel and caliper, then replace pads and/or rotors as necessary.
- Use brake cleaner to remove dust and debris from the rotor surface before reassembling.

5. Reassemble and Lower Vehicle

Reinstall any components removed during inspection and repair.
Lower the vehicle back to the ground and reconnect the negative battery terminal.