how to check and fix leaking struts in Volkswagen Golf MK7 (2015-2019)?

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

582 words

Problem Statement

Learn how to check and fix leaking struts in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a vehicle.
•Allow the vehicle to cool before working on hot components.

Symptoms

•Visible oil residue on strut body
•Excessive bouncing or swaying while driving
•Uneven tire wear
•Vehicle nose dives during braking
•Increased road noise or vibrations

Diagnostic Steps

1
Inspect the strut assembly visually for any signs of oil leakage.
2
Check for any physical damage or dents on the strut body.
3
Test the strut for performance by pushing down on the vehicle's front or rear; it should return to its normal position without excessive bouncing.
4
Examine the mounting points and bushings for wear or damage.
5
Look for any signs of fluid on surrounding components, such as the wheel wells or shocks.

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
•Wrench set
•Strut spring compressor
•Torque wrench

Parts Required

•Replacement strut assembly
•New strut mounts and bushings (if necessary)

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Diagnostic Steps

1
Inspect the strut assembly visually for any signs of oil leakage.
2
Check for any physical damage or dents on the strut body.
3
Test the strut for performance by pushing down on the vehicle's front or rear; it should return to its normal position without excessive bouncing.
4
Examine the mounting points and bushings for wear or damage.
5
Look for any signs of fluid on surrounding components, such as the wheel wells or shocks.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface and secure it with wheel chocks.
Raise the vehicle using a jack and support it with jack stands for safety.

2. Remove the Strut Assembly

Tools Required: Socket set, wrench set, strut spring compressor, torque wrench.
Loosen the lug nuts on the wheel connected to the strut you are replacing, then remove the wheel.
Remove the brake line bracket from the strut to avoid damage.
Detach the sway bar link from the strut by removing the retaining nut.
Remove the top three strut mounting nuts located under the hood.
Disconnect the bottom strut bolt using a socket and wrench.
Carefully remove the strut assembly from the vehicle, ensuring not to damage any surrounding components.

3. Replace or Repair the Strut

If the strut is leaking, it typically requires replacement. Use a strut spring compressor to safely detach the coil spring from the old strut.
Install the coil spring onto the new strut, ensuring it is seated properly.
If bushings or mounts are worn, replace them with new components before reinstallation.

4. Reinstall the Strut Assembly

Position the new strut assembly back into the vehicle.
Reattach the bottom strut bolt and tighten to the manufacturer’s specifications (typically around 50-70 ft-lbs).
Secure the top strut mount with the three nuts and tighten them to the specified torque (usually around 15-25 ft-lbs).
Reconnect the sway bar link and brake line bracket, ensuring they are secured properly.
Reinstall the wheel and tighten the lug nuts to the specified torque (often 80-100 ft-lbs).

5. Final Checks

Lower the vehicle back to the ground and remove the jack stands.
Perform a bounce test to ensure the strut functions correctly.