how to check for worn out struts on my Volvo XC90

Volvo XC90 Second Generation (2015-2024)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

540 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to check and replace worn out struts on your Volvo XC90. Step-by-step guide with diagnostic procedures 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.
•Wear safety glasses when using a strut spring compressor to prevent injury.

Symptoms

•Excessive bouncing after hitting bumps
•Uneven tire wear
•Vehicle swaying or leaning during turns
•Noise from the suspension when driving over rough surfaces
•Difficulty maintaining control on uneven road surfaces

Diagnostic Steps

1
Check for any signs of leakage around the strut seals and inspect for rust or physical damage.
2
Push down on each corner of the vehicle and release; observe how many times the vehicle bounces.
3
Inspect tire wear patterns; look for scalloped or uneven wear that may indicate suspension issues.
4
Drive the vehicle over bumps and listen for any abnormal sounds coming from the suspension.
5
Verify if the vehicle is pulling to one side, which can indicate strut wear affecting alignment.

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

•Jack and jack stands
•Socket set
•Torque wrench
•Strut spring compressor
•Screwdriver

Parts Required

•New struts (if worn out)
•Sway bar links (if necessary)

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Diagnostic Steps

1
Check for any signs of leakage around the strut seals and inspect for rust or physical damage.
2
Push down on each corner of the vehicle and release; observe how many times the vehicle bounces.
3
Inspect tire wear patterns; look for scalloped or uneven wear that may indicate suspension issues.
4
Drive the vehicle over bumps and listen for any abnormal sounds coming from the suspension.
5
Verify if the vehicle is pulling to one side, which can indicate strut wear affecting alignment.

Solution

1. Preparation

Tools Required: Jack and jack stands, socket set, torque wrench, strut spring compressor, and a screwdriver.
Ensure the vehicle is on a flat surface and engage the parking brake.

2. Lift the Vehicle

Sub-steps:
1. Loosen the lug nuts on the wheels you will be removing.
2. Use the jack to lift the vehicle and place it securely on jack stands.
3. Remove the wheels.

3. Remove Struts

Sub-steps:
1. Locate the strut assembly and remove any covers or shields if applicable.
2. Disconnect the sway bar link from the strut.
3. Remove the bolts securing the strut to the steering knuckle using a socket.
4. Unbolt the top strut mount from the vehicle’s body (typically found in the engine bay or trunk).
5. Carefully remove the strut from the vehicle.

4. Inspect and Replace

Sub-steps:
1. Inspect the old strut for signs of leakage or damage.
2. If replacement is necessary, compress the coil spring using a strut spring compressor.
3. Remove the strut from the spring and install the new strut, ensuring it is seated properly.
4. Reassemble the strut and spring assembly, ensuring all bolts are torqued to manufacturer specifications.

5. Reinstall and Test

Sub-steps:
1. Reinstall the strut assembly back into the vehicle.
2. Reattach the sway bar link and secure all bolts.
3. Reattach the wheel and lower the vehicle.
4. Torque the lug nuts to the manufacturer’s specification.