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

559 words

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

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before working on the engine or suspension components.

Symptoms

•Grinding noise when turning the steering wheel
•Possible vibration in the steering wheel
•Difficulty in steering or increased steering effort
•Clunking noises when hitting bumps
•Uneven tire wear
•Steering wheel misalignment

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible leaks in the power steering system.
3
Examine the CV joints and boots for damage or wear.
4
Inspect the wheel bearings for play or grinding.
5
Evaluate the suspension components, including struts and control arms.
6
Test drive the vehicle to replicate the noise and identify conditions that exacerbate it.

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

•Jack and jack stands
•Wheel chocks
•Socket set
•Torque wrench
•Pry bar
•Flashlight

Parts Required

•Power steering fluid
•CV joint or axle assembly (if damaged)
•Wheel bearing (if worn)
•Suspension components (if needed)

Related Faults

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible leaks in the power steering system.
3
Examine the CV joints and boots for damage or wear.
4
Inspect the wheel bearings for play or grinding.
5
Evaluate the suspension components, including struts and control arms.
6
Test drive the vehicle to replicate the noise and identify conditions that exacerbate it.

Solution

1. Preparation

Tools Required: Jack and jack stands, wheel chocks, socket set, torque wrench, pry bar, flashlight.
Ensure the vehicle is parked on a flat surface and secure it with wheel chocks.
Disconnect the negative terminal of the battery if working on the electrical components.

2. Inspect Power Steering System

Sub-steps:
1. Locate the power steering reservoir and check the fluid level.
2. If low, fill with the manufacturer-recommended power steering fluid.
3. Inspect for any leaks around hoses and connections. Tighten loose fittings or replace damaged hoses.

3. Check CV Joints

Sub-steps:
1. Raise the front of the vehicle using a jack and secure with jack stands.
2. Visually inspect the CV joints and boots for cracks or tears.
3. If damaged, remove the axle by loosening the axle nut and disconnecting the suspension components as needed.
4. Replace the CV joint or entire axle assembly.

4. Inspect Wheel Bearings

Sub-steps:
1. Remove the wheel to access the hub assembly.
2. Grab the hub and check for any play by moving it side to side.
3. If excessive play is found, remove the hub assembly and replace the wheel bearing.
4. Ensure to torque the new bearing to the manufacturer's specifications.

5. Evaluate Suspension Components

Sub-steps:
1. Inspect struts and control arms for any signs of wear or damage.
2. If any component is worn, it should be replaced.
3. Reassemble any components that were removed and ensure all fasteners are torqued to specification.