why does my Volkswagen Golf MK7 (2015-2019) make a grinding noise during turns

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

452 words

Problem Statement

Learn how to diagnose and fix grinding noise during turns in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems.
•Use proper lifting equipment to support the vehicle safely.
•Allow the vehicle to cool before inspecting the braking system.

Symptoms

•Grinding noise that occurs specifically during turns
•Increased steering resistance or stiffness
•Uneven tire wear
•Vibration in the steering wheel
•Possible clunking sound when hitting bumps

Diagnostic Steps

1
Inspect the tires for uneven wear patterns or damage.
2
Check the brake components for wear, including pads and rotors.
3
Examine the CV joints and axle boots for damage or leaks.
4
Test the power steering fluid level and check for leaks in the power steering system.
5
Visually inspect suspension components, including struts, control arms, and bushings for wear or damage.
6
Listen for noise while turning the steering wheel with the vehicle stationary to isolate the 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
•Wheel chocks
•Brake cleaner
•CV joint grease

Parts Required

•Brake pads
•Brake rotors (if needed)
•CV axle (if damaged)
•Power steering fluid

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Diagnostic Steps

1
Inspect the tires for uneven wear patterns or damage.
2
Check the brake components for wear, including pads and rotors.
3
Examine the CV joints and axle boots for damage or leaks.
4
Test the power steering fluid level and check for leaks in the power steering system.
5
Visually inspect suspension components, including struts, control arms, and bushings for wear or damage.
6
Listen for noise while turning the steering wheel with the vehicle stationary to isolate the source.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is on a level surface.
Use wheel chocks to prevent rolling.

2. Tire Inspection and Replacement

Sub-steps:
- Remove the wheels using a socket set.
- Inspect tires for irregular wear; replace if necessary.
- Ensure proper tire pressure is maintained.

3. Brake Inspection and Replacement

Sub-steps:
- Remove the wheel and inspect brake pads and rotors for wear.
- Replace brake pads if they are worn down to the minimum thickness (usually 3 mm).
- Resurface or replace rotors if scoring or uneven wear is observed.

4. CV Joint and Axle Inspection

Sub-steps:
- Remove the wheel and visually inspect the CV joints and boots.
- If the boot is cracked or the joint is damaged, replace the CV axle.
- Ensure to use proper torque specifications when reinstalling components.

5. Power Steering System Check

Sub-steps:
- Check the power steering fluid level and condition.
- If low, top off with manufacturer-recommended fluid.
- Inspect for leaks in hoses or the steering rack and replace as needed.

6. Suspension Component Inspection

Sub-steps:
- Inspect struts, control arms, and bushings for wear or damage.
- Replace any damaged components.
- Reassemble all parts and ensure all bolts are torqued to specifications.

Tools Required:

Socket set
Torque wrench
Jack and jack stands
Wheel chocks
Brake cleaner
CV joint grease

Parts Required:

Brake pads
Brake rotors (if needed)
CV axle (if damaged)
Power steering fluid

Estimated Repair Time: 2-4 hours

Safety Warnings:

Always disconnect the battery before working on electrical systems.
Use proper lifting equipment to support the vehicle safely. Allow the vehicle to cool before inspecting the braking system.