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

510 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

Discover how to diagnose and fix grinding noise when turning in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms, diagnostics, and solutions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a vehicle.
•Allow the engine to cool before performing maintenance on engine components.

Symptoms

•Grinding noise during turns
•Difficulty steering or increased resistance while turning
•Vibration felt through the steering wheel
•Uneven tire wear
•Clunking or popping noises in addition to grinding when steering

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 tie rod ends and ball joints for wear or damage.
4
Inspect the CV joints and axle boots for signs of wear or failure.
5
Evaluate the condition of the wheel bearings for play or roughness.
6
Test-drive the vehicle to replicate the noise and identify its 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

•Socket set
•Torque wrench
•Jack and jack stands
•Pry bar
•OBD-II scanner

Parts Required

•Power steering fluid
•Tie rod ends (if required)
•Ball joints (if required)
•CV joint assembly (if required)
•Wheel bearings (if required)

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 tie rod ends and ball joints for wear or damage.
4
Inspect the CV joints and axle boots for signs of wear or failure.
5
Evaluate the condition of the wheel bearings for play or roughness.
6
Test-drive the vehicle to replicate the noise and identify its source.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery if working on electrical components.

2. Inspect and Replace Power Steering Fluid

Sub-steps:
1. Locate the power steering reservoir.
2. Remove the cap and check the fluid level.
3. If fluid is low, top it up with the manufacturer-recommended fluid.
4. If fluid is contaminated, drain the system and replace with new fluid.

3. Inspect and Replace Bad Components

Sub-steps:
1. Lift the vehicle and secure it with jack stands.
2. Remove the front wheels to access suspension and steering components.
3. Inspect tie rod ends for play; replace if necessary.
  - Tools: Socket set, torque wrench
  - Torque specifications: Refer to the vehicle’s service manual.
4. Check ball joints using a pry bar; replace if they have excessive wear.
5. Inspect CV joints and replace if the boots are torn or joints are noisy.
6. Check wheel bearings by spinning the hub; replace if rough or noisy.

4. Reassemble and Test

Sub-steps:
1. Reinstall the wheels and lower the vehicle.
2. Reconnect the battery.
3. Test drive the vehicle to confirm that the grinding noise has been resolved.