why does my Volkswagen Golf MK7 (2015-2019) make a grinding noise when turning

Volkswagen Golf MK7 (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

472 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

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

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Grinding noise during turns
•Increased steering resistance
•Vibration in the steering wheel
•Uneven tire wear
•Clunking noise over bumps

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Scan the vehicle for any error codes using an OBD-II scanner.
3
Visually inspect the CV joints and boots for damage or wear.
4
Check the wheel bearings for play or noise.
5
Examine the suspension components for wear or damage.
6
Test drive the vehicle to replicate the noise and pinpoint the location.

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

•OBD-II scanner
•Socket set
•Torque wrench
•Bearing press (if needed)
•Jack and jack stands

Parts Required

•CV joint/axle assembly (if applicable)
•Wheel bearing (if applicable)
•Suspension components (if worn)

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Scan the vehicle for any error codes using an OBD-II scanner.
3
Visually inspect the CV joints and boots for damage or wear.
4
Check the wheel bearings for play or noise.
5
Examine the suspension components for wear or damage.
6
Test drive the vehicle to replicate the noise and pinpoint the location.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and securely jack up the front end.
Remove the front wheels for better access to components.

2. Inspect and Replace CV Joints

Inspect:
- Check the CV joint boots for tears or leaks.
- Rotate the wheel to observe the CV joint during movement.
Replace:
- If damaged, remove the axle nut using a socket set.
- Disconnect the lower control arm from the knuckle.
- Pull the axle out of the transmission and replace with a new CV joint/axle assembly.
- Reassemble by reversing removal steps, ensuring proper torque on the axle nut (typically 200 ft-lbs).

3. Check and Replace Wheel Bearings

Inspect:
- Spin the hub while listening for grinding noises.
Replace:
- Remove the brake caliper and rotor.
- Unfasten the hub assembly from the knuckle.
- Replace the bearing using a bearing press or hammer as needed.
- Reassemble and ensure all bolts are torqued to manufacturer specifications.

4. Examine Suspension Components

Inspect:
- Check control arms, bushings, and struts for wear.
Replace:
- If any components are worn, remove them and replace with OEM parts.
- Reassemble and torque all fasteners to specification.