how to check if my Volvo XC90 struts are worn out

Volvo XC90 Second Generation (2015-2024)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

549 words

Problem Statement

Learn how to check for worn struts on your Volvo XC90. Step-by-step diagnostic and repair guide to improve your vehicle's handling and ride quality.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before beginning work.

Symptoms

•Uneven tire wear
•Vehicle bouncing excessively after hitting bumps
•Difficulty steering or wandering while driving
•Increased body roll during turns
•Unusual noises (clunking or banging) when driving over bumps
•Visible oil leakage on the struts

Diagnostic Steps

1
Examine the struts for any signs of oil leakage, rust, or physical damage.
2
Push down on each corner of the vehicle and release. The vehicle should bounce once and return to its normal position. If it bounces more than once, the struts may be worn.
3
Inspect tires for uneven wear patterns, which may indicate strut issues.
4
Drive the vehicle over bumps and listen for any clunking or banging noises that could suggest strut wear.
5
Test the steering response by driving in a straight line and feeling for any wandering or instability.
6
If in doubt, have a qualified technician conduct a thorough inspection of the suspension system.

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
•Jack and jack stands
•Torque wrench
•Strut spring compressor
•Safety glasses
•Gloves

Parts Required

•New struts (front and/or rear)
•New strut mounts (if necessary)

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Diagnostic Steps

1
Examine the struts for any signs of oil leakage, rust, or physical damage.
2
Push down on each corner of the vehicle and release. The vehicle should bounce once and return to its normal position. If it bounces more than once, the struts may be worn.
3
Inspect tires for uneven wear patterns, which may indicate strut issues.
4
Drive the vehicle over bumps and listen for any clunking or banging noises that could suggest strut wear.
5
Test the steering response by driving in a straight line and feeling for any wandering or instability.
6
If in doubt, have a qualified technician conduct a thorough inspection of the suspension system.

Solution

1. Preparation

Tools Needed: Socket set, jack and jack stands, torque wrench, strut spring compressor (if replacing struts), safety glasses, gloves.
Safety Warnings: Disconnect the battery before working on electrical systems. Allow the vehicle to cool before beginning work.

2. Remove Struts

2.1: Safely lift the vehicle using a jack and secure it with jack stands.
2.2: Remove the front or rear wheels to access the struts.
2.3: Disconnect the brake line and any other components attached to the strut.
2.4: Remove the top strut mount bolts under the hood (or trunk for rear struts).
2.5: Unbolt the lower strut from the control arm and remove the strut assembly from the vehicle.

3. Inspect and Replace (if necessary)

3.1: Inspect the strut for signs of wear, including oil leakage and physical damage.
3.2: If worn, compress the spring using a strut spring compressor and carefully remove the spring from the strut.
3.3: Install the new strut and reattach the spring.
3.4: Reinstall the strut assembly into the vehicle, securing all bolts to the manufacturer's torque specifications.

4. Reassemble Vehicle

4.1: Reattach the brake line and any other components.
4.2: Reinstall the wheels and lower the vehicle.
4.3: Tighten all lug nuts to the specified torque.