why is my Volkswagen Golf MK7 (2015-2019) making a grinding noise when turning

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

565 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, diagnostics, and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow engine components to cool before inspection or repair.

Symptoms

•Grinding noise while turning the steering wheel
•Increased resistance when turning the steering wheel
•Vibration felt in the steering wheel
•Potential clunking sound during sharp turns
•Uneven tire wear
•Steering wheel misalignment

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage to the CV joints and boots.
3
Examine the suspension components for wear or damage, including struts and bushings.
4
Test drive the vehicle to replicate the noise and note specific turning conditions (e.g., left vs. right).
5
Inspect the wheel bearings for excessive play or damage.
6
Check the condition of the tires for any foreign objects or irregular wear patterns.

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
•Jack and jack stands
•Bearing puller
•Funnel
•Power steering fluid

Parts Required

•Power steering fluid
•CV joint and boot (if damaged)
•Suspension components (if worn)
•Wheel bearings (if necessary)

Related Faults

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage to the CV joints and boots.
3
Examine the suspension components for wear or damage, including struts and bushings.
4
Test drive the vehicle to replicate the noise and note specific turning conditions (e.g., left vs. right).
5
Inspect the wheel bearings for excessive play or damage.
6
Check the condition of the tires for any foreign objects or irregular wear patterns.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Disconnect the battery for safety if working on electrical components.

2. Inspect and Replace Power Steering Fluid

Tools Required: Socket set, funnel, power steering fluid
Remove the power steering reservoir cap.
Inspect the fluid level and color; if dark or gritty, replace.
Siphon out old fluid using a turkey baster or fluid evacuator.
Refill with manufacturer-recommended power steering fluid.

3. CV Joint Inspection and Replacement

Tools Required: Jack and jack stands, socket set, torque wrench
Raise the front of the vehicle and secure it on jack stands.
Remove the front wheel.
Inspect the CV joint and boot for cracks or grease leakage.
If damaged, remove the axle nut and disconnect the CV joint from the transmission.
Install the new CV joint, ensuring to use new clamps on the boot.
Reinstall the wheel and lower the vehicle.

4. Suspension Component Inspection and Replacement

Tools Required: Wrenches, socket set, torque wrench
Check struts, control arms, and bushings for wear.
Replace any worn or damaged components with new parts.
Torque all fasteners to manufacturer specifications.

5. Wheel Bearing Inspection and Replacement

Tools Required: Bearing puller, socket set, torque wrench
Spin the wheel to check for roughness or noise.
If noise is detected, remove the hub assembly and replace the wheel bearings.
Reassemble and torque to manufacturer specifications.