why does my Volkswagen Golf MK7.5 (2020-Present) make a grinding sound when turning?

Volkswagen Golf MK7.5 (2020-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

600 words

Problem Statement

Learn how to diagnose and fix grinding noise when turning in Volkswagen Golf MK7.5. 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

•Ensure engine is off and cool before working on the fluid system.
•Always wear safety glasses and gloves when working under the vehicle.
•Ensure vehicle is securely lifted and supported during repairs.
•Disconnect the battery before working on electrical components.

Symptoms

•Grinding noise when steering left or right
•Increased resistance while turning the steering wheel
•Clunking or popping sounds in conjunction with grinding
•Uneven tire wear
•Vibration in the steering wheel during turns

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage or wear on the steering components, including tie rods and control arms.
3
Examine the CV joints and boots for any signs of damage or leaking grease.
4
Test drive the vehicle to replicate the noise and determine if it occurs at specific angles.
5
Inspect the wheel bearings for play or roughness.
6
Examine the brake components for any debris or wear that may cause noise.

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
•Funnel
•Catch container for old fluid
•Bearing puller

Parts Required

•Power steering fluid
•CV joints (if damaged)
•Wheel bearings (if worn)
•Tie rods or control arms (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 or wear on the steering components, including tie rods and control arms.
3
Examine the CV joints and boots for any signs of damage or leaking grease.
4
Test drive the vehicle to replicate the noise and determine if it occurs at specific angles.
5
Inspect the wheel bearings for play or roughness.
6
Examine the brake components for any debris or wear that may cause noise.

Solution

1. Preparation

Park the vehicle on a level surface and engage the parking brake.
Gather necessary tools and parts for inspection and repair.

2. Inspect and Replace Power Steering Fluid

Sub-steps:
1. Locate the power steering fluid reservoir.
2. Check the fluid level; if low, add the appropriate fluid type (check owner's manual for specifications).
3. If fluid is dirty or contaminated, drain and replace it.
Tools Required: Funnel, catch container for old fluid.
Safety Warnings: Ensure engine is off and cool before working on the fluid system.

3. Replace Damaged CV Joints

Sub-steps:
1. Lift the vehicle using a jack and secure it with jack stands.
2. Remove the wheel to access the CV joint.
3. Disconnect the axle from the transmission (remove bolts).
4. Slide the CV joint out and inspect for damage; replace if necessary.
5. Install the new CV joint and reverse the removal steps.
Tools Required: Socket set, torque wrench, pry bar.
Safety Warnings: Always wear safety glasses and gloves when working under the vehicle.

4. Inspect and Replace Wheel Bearings

Sub-steps:
1. Remove the wheel and brake assembly to access the wheel bearings.
2. Check for play or roughness in the bearings by spinning them by hand.
3. If worn, remove the old bearings using a bearing puller and replace with new ones.
4. Reassemble the brake components and wheel.
Tools Required: Bearing puller, socket set.
Safety Warnings: Ensure vehicle is securely lifted and supported.

5. Check Steering Components

Sub-steps:
1. Examine tie rods and control arms for wear or damage.
2. Replace any worn components as necessary.
3. Re-align the steering if any components were replaced.
Tools Required: Socket set, alignment tools.
Safety Warnings: Confirm the vehicle is securely supported before working.