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

medium

Severity

3 min read

552 words

Problem Statement

Learn how to diagnose and fix grinding noise when turning in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely lifted and supported before working underneath it.
•Disconnect the battery before any electrical work, if applicable.

Symptoms

•Grinding noise during left or right turns
•Possible vibrations in the steering wheel
•Difficulty in steering or a feeling of looseness
•Unusual tire wear patterns
•Clunking noise over bumps in addition to grinding

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage or wear on the CV joints and boots.
3
Examine the wheel bearings for play or roughness by rotating the wheel.
4
Inspect the suspension components (control arms, bushings) for wear or damage.
5
Test drive the vehicle to replicate the noise and identify under what conditions it occurs.

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

•Socket set
•Torque wrench
•Jack and jack stands
•Wire hanger

Parts Required

•CV axle (if applicable)
•Wheel bearing (if applicable)

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage or wear on the CV joints and boots.
3
Examine the wheel bearings for play or roughness by rotating the wheel.
4
Inspect the suspension components (control arms, bushings) for wear or damage.
5
Test drive the vehicle to replicate the noise and identify under what conditions it occurs.

Solution

1. Preparation

Gather tools and parts required for the repair.
Park the vehicle on a flat surface, engage the parking brake, and ensure the engine is off.

2. Inspect and Replace CV Joints

Lift the Vehicle: Use a jack to lift the front of the vehicle and secure it with jack stands.
Remove Wheel: Use a socket set to remove the lug nuts and take off the front wheel.
Examine CV Joint: Inspect the CV joint and boot for tears or leaks. If damaged, proceed to replace.
Remove CV Axle: Remove bolts securing the CV axle to the hub and transaxle using a socket set. Pull the axle free.
Install New CV Axle: Insert the new CV axle into the transaxle and hub, securing with bolts. Torque to manufacturer specifications (typically around 30-40 ft-lbs).
Reattach Wheel: Place the wheel back on, hand-tighten the lug nuts, and lower the vehicle to the ground.

3. Inspect and Replace Wheel Bearings

Remove Wheel: Follow the same process to remove the wheel.
Remove Brake Caliper: Unbolt the brake caliper and suspend it using a wire hanger to avoid strain on the brake line.
Remove Rotor: If necessary, remove the brake rotor to access the wheel bearing.
Remove Hub Assembly: Unbolt the wheel hub from the steering knuckle using a socket set. Replace the wheel bearing if it is found to be damaged.
Install New Hub and Bearing: Place the new bearing into the hub and reattach the hub assembly to the steering knuckle. Torque the bolts to manufacturer specifications.
Reattach Rotor and Caliper: Reinstall the brake rotor and caliper, ensuring all bolts are properly torqued.