why are my Volkswagen Golf Eighth Generation (2020-present) struts leaking oil

Volkswagen Golf Eighth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

594 words

Problem Statement

Learn how to diagnose and fix leaking struts on your Volkswagen Golf Eighth Generation (2020-present). Step-by-step guide with tools and tips.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always wear safety glasses when using a spring compressor.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Oil residue on or around the strut housing
•Unusual noises when driving over bumps (clunking or rattling)
•Poor handling or instability during turns
•Increased bouncing or swaying of the vehicle
•Uneven tire wear
•Warning light related to suspension issues illuminated on the dashboard

Diagnostic Steps

1
Inspect the strut assembly visually for signs of oil leakage.
2
Test the strut performance by pushing down on the vehicle's corner and observing how quickly it rebounds.
3
Check for any visible damage to the strut mount or related suspension components.
4
Use a flashlight to inspect the strut seals for cracks or deterioration.
5
Confirm that the strut nuts are properly torqued per manufacturer specifications.
6
Assess the condition of other suspension components, such as control arms and bushings, for related wear or damage.

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
•Spring compressor
•Jack and jack stands
•Flashlight

Parts Required

•New strut assemblies (left and right, if necessary)
•New strut mounts (if worn)
•New hardware (if needed)

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Diagnostic Steps

1
Inspect the strut assembly visually for signs of oil leakage.
2
Test the strut performance by pushing down on the vehicle's corner and observing how quickly it rebounds.
3
Check for any visible damage to the strut mount or related suspension components.
4
Use a flashlight to inspect the strut seals for cracks or deterioration.
5
Confirm that the strut nuts are properly torqued per manufacturer specifications.
6
Assess the condition of other suspension components, such as control arms and bushings, for related wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a level surface and securely elevated using jack stands.
Disconnect the negative battery terminal to avoid electrical issues.

2. Remove Strut Assembly

Tools Required: Socket set, torque wrench, spring compressor
Loosen and remove the wheel lug nuts using a socket.
Lift the vehicle with a jack and secure it on jack stands.
Remove the wheel to access the strut assembly.
Detach the strut from the steering knuckle by removing the lower strut bolt with a socket.
Remove the upper strut mounting nuts located in the engine bay or under the dashboard.
Carefully extract the strut assembly from the vehicle.

3. Replace Strut

Tools Required: Spring compressor
Place the strut assembly in a spring compressor and safely compress the coil spring.
Remove the strut top mount and any other associated components.
Install the new strut into the assembly, ensuring it is properly oriented.
Reassemble the strut top mount and release the spring compressor.

4. Install Strut Assembly

Reinsert the strut assembly into the vehicle.
Secure the upper strut mounting nuts and lower strut bolt, tightening to manufacturer torque specifications.
Reattach the wheel and hand-tighten the lug nuts.
Lower the vehicle to the ground and then torque the lug nuts to the specified value.

5. Final Checks

Reconnect the negative battery terminal.
Inspect the installation for any loose connections or components.