Volkswagen Golf MK7 (2015-2019) grinding noise when turning what could it be

Volkswagen Golf MK7 (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

634 words

Problem Statement

Learn how to diagnose and fix grinding noise when turning in Volkswagen Golf MK7. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems.
•Ensure the vehicle is securely supported on jack stands before working underneath.

Symptoms

•Grinding noise when turning the steering wheel
•Difficulty steering or increased steering effort
•Vibration in the steering wheel
•Uneven tire wear
•Loose or rattling sound when going over bumps

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any loose or damaged suspension components such as control arms and tie rods.
3
Examine the condition of the wheel bearings for wear or damage.
4
Inspect the CV joints and boots for signs of tearing or grease leakage.
5
Perform a visual inspection of the brake components to rule out brake-related noise.
6
Test drive the vehicle while listening for noise changes during different turning scenarios.

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

•Fluid extraction tool
•Funnel
•Jack
•Jack stands
•Socket set
•Torque wrench
•Wheel bearing puller
•CV joint boot clamp tool

Parts Required

•Power steering fluid
•Wheel bearing (if needed)
•CV joint boot (if needed)

Related Faults

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any loose or damaged suspension components such as control arms and tie rods.
3
Examine the condition of the wheel bearings for wear or damage.
4
Inspect the CV joints and boots for signs of tearing or grease leakage.
5
Perform a visual inspection of the brake components to rule out brake-related noise.
6
Test drive the vehicle while listening for noise changes during different turning scenarios.

Solution

1. Preparation

Gather tools and safety equipment.
Ensure the vehicle is on a flat surface and secure it with wheel chocks.
Disconnect the battery if working on electrical components.

2. Inspect and Replace Power Steering Fluid

Tools Required: Fluid extraction tool, funnel, new power steering fluid
- Use a fluid extraction tool to remove old power steering fluid from the reservoir.
- Refill the reservoir with the appropriate type of power steering fluid as specified in the owner's manual.
- Start the engine and turn the steering wheel from lock to lock to bleed any air out of the system.

3. Inspect Suspension and Steering Components

Tools Required: Jack, jack stands, socket set, torque wrench
- Lift the front of the vehicle using a jack and secure it with jack stands.
- Inspect control arms, tie rods, and ball joints for any play or damage.
- Tighten any loose bolts to manufacturer specifications using a torque wrench.

4. Check Wheel Bearings

Tools Required: Wheel bearing puller, socket set, torque wrench
- Remove the wheel and brake assembly to access the wheel hub.
- Spin the wheel hub to check for roughness or play, indicating a worn bearing.
- If necessary, replace the wheel bearing using a bearing puller and install a new bearing according to torque specifications.

5. Inspect CV Joints

Tools Required: CV joint boot clamp tool, new CV joint boot (if necessary)
- Inspect CV joint boots for tears or cracks that could allow dirt to enter.
- If the boot is damaged, replace the entire CV joint assembly or just the boot if the joint is in good condition.

6. Reassemble and Test

Reinstall the brake assembly and wheel.
Lower the vehicle and reconnect the battery if disconnected.
Conduct a test drive to confirm the grinding noise has been resolved.