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

Volkswagen Golf MK7.5 (2020-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

601 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

•Always disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before working on heated components.

Symptoms

•Grinding noise during turns
•Difficulty steering or increased resistance
•Vibration felt through the steering wheel
•Uneven tire wear
•Possible clunking sounds when hitting bumps

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage to the steering rack and tie rods.
3
Lift the vehicle and inspect the front suspension components for wear or damage.
4
Examine the wheel bearings for play or noise.
5
Test the CV joints for wear or damage by turning the steering wheel while stationary.
6
Listen for any noises while turning the wheel with the engine off 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
•Funnel
•Jack stands
•Torque wrench
•Bearing puller
•CV joint puller

Parts Required

•Power steering fluid
•Tie rods
•Control arm bushings
•Wheel bearings
•CV joints or axle assembly

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage to the steering rack and tie rods.
3
Lift the vehicle and inspect the front suspension components for wear or damage.
4
Examine the wheel bearings for play or noise.
5
Test the CV joints for wear or damage by turning the steering wheel while stationary.
6
Listen for any noises while turning the wheel with the engine off to isolate the source.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the negative battery terminal to eliminate electrical hazards.

2. Inspect and Replace Power Steering Fluid

Tools Required: Socket set, funnel
Check the power steering fluid reservoir. If low, refill with the manufacturer-recommended fluid.
If the fluid is dark or contaminated, drain and replace it:
- Locate the drain plug on the power steering system and remove it.
- Allow fluid to drain completely, then replace the drain plug and refill with new fluid.

3. Inspect Suspension and Steering Components

Tools Required: Jack stands, socket set, torque wrench
Lift the vehicle using a jack and secure with jack stands.
Inspect the tie rods for wear or damage:
- If worn, replace with new tie rods.
- Torque specifications for tie rod ends should be followed according to the manufacturer’s guidelines.
Check the control arms and bushings for any signs of wear or damage:
- Replace any worn components as necessary.

4. Check and Replace Wheel Bearings

Tools Required: Socket set, bearing puller, torque wrench
Spin the wheel by hand to check for grinding noises or roughness:
- If noise is present, remove the wheel and brake caliper.
- Use a bearing puller to remove the wheel bearing and replace it with a new one, ensuring proper lubrication and seating.
- Torque the wheel hub assembly to the manufacturer’s specifications.

5. Inspect and Replace CV Joints

Tools Required: Socket set, CV joint puller
Inspect the CV joints for any tears in the boot or excessive play:
- If damaged, replace the CV joint or axle assembly as needed.
- Ensure proper installation and torque specifications are adhered to during reassembly.