how to tell if my Volvo XC90 Second Generation (2015-2024) struts need replacing

Volvo XC90 Second Generation (2015-2024)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

610 words

Problem Statement

Learn how to diagnose and replace struts on your 2015-2024 Volvo XC90. 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

•Ensure the vehicle is securely supported on jack stands before working underneath.
•Allow the vehicle to cool if it has been driven recently before performing any work.

Symptoms

•Excessive bouncing or swaying when driving over bumps
•Deteriorated ride comfort or harshness felt in the cabin
•Uneven tire wear, particularly on the inner or outer edges
•Fluid leakage around the strut assembly
•Noise such as clunking or knocking when driving over rough surfaces
•Vehicle feels unstable or has a tendency to roll during turns

Diagnostic Steps

1
Visually inspect the strut assemblies for signs of damage or fluid leaks.
2
Perform a bounce test by pushing down on each corner of the vehicle and observing the rebound.
3
Check tire wear patterns to identify any irregularities that could indicate strut issues.
4
Drive the vehicle on a smooth road and listen for any unusual noises while going over bumps.
5
Inspect the strut mounts and bushings for wear or damage.
6
Use a level to check the vehicle's ride height against manufacturer specifications.

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

•Floor jack
•Jack stands
•Lug wrench
•Socket set
•Torque wrench

Parts Required

•New strut assemblies (front or rear as needed)
•Strut mount kits (if applicable)

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Symptoms

•Excessive bouncing or swaying when driving over bumps

•Deteriorated ride comfort or harshness felt in the cabin

•Uneven tire wear, particularly on the inner or outer edges

•Fluid leakage around the strut assembly

•Noise such as clunking or knocking when driving over rough surfaces

•Vehicle feels unstable or has a tendency to roll during turns

Diagnostic Steps

1
Visually inspect the strut assemblies for signs of damage or fluid leaks.
2
Perform a bounce test by pushing down on each corner of the vehicle and observing the rebound.
3
Check tire wear patterns to identify any irregularities that could indicate strut issues.
4
Drive the vehicle on a smooth road and listen for any unusual noises while going over bumps.
5
Inspect the strut mounts and bushings for wear or damage.
6
Use a level to check the vehicle's ride height against manufacturer specifications.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative battery terminal to ensure safety.

2. Lift the Vehicle

Sub-steps:
1. Use a jack to lift the front or rear of the vehicle as needed, securing it on jack stands.
2. Ensure the vehicle is stable before proceeding to work on the struts.
Tools Required: Floor jack, jack stands.

3. Remove the Wheel

Sub-steps:
1. Loosen the lug nuts slightly while the wheel is still on the ground.
2. Remove the lug nuts completely and take off the wheel.
Tools Required: Lug wrench.

4. Remove the Strut Assembly

Sub-steps:
1. Detach any brake lines or sensors connected to the strut assembly.
2. Unbolt the strut from the lower control arm and the upper strut mount (inside the engine bay).
3. Carefully pull the strut assembly out from the vehicle.
Tools Required: Socket set, wrenches.

5. Install New Strut Assembly

Sub-steps:
1. Position the new strut assembly in place, aligning it with the lower control arm and upper mount.
2. Tighten all bolts to the manufacturer's specified torque settings.
3. Reattach brake lines or any sensors that were disconnected.
Tools Required: Socket set, torque wrench.

6. Reassemble and Lower the Vehicle

Sub-steps:
1. Reinstall the wheel and hand-tighten the lug nuts.
2. Lower the vehicle from the jack stands using the jack.
3. Tighten the lug nuts to the manufacturer’s torque specifications.
Tools Required: Floor jack, torque wrench.

7. Final Checks

Double-check all connections and ensure that there are no leaks.
Reconnect the negative battery terminal.