my Volvo XC90 makes a clunking noise when turning what's wrong

Volvo XC90 Second Generation (2015-2024)

Error Codes

3-5 hours

Time

medium

Difficulty

medium

Severity

3 min read

572 words

Problem Statement

Learn how to diagnose and fix clunking noise when turning in Volvo XC90. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Wear safety glasses and gloves.
•Ensure the vehicle is securely supported on jack stands.
•Disconnect the battery before working on electrical components.
•Allow the vehicle to cool before working on the axle.

Symptoms

•Clunking noise during turns
•Increased vibration felt through the steering wheel
•Difficulty steering or unusual steering response
•Noise becomes louder or more pronounced during sharper turns
•Potential knocking sound when driving over bumps

Diagnostic Steps

1
Inspect the suspension components for visible damage or wear, including control arms, bushings, and struts.
2
Check the CV joints and boots for any signs of damage or leakage.
3
Test the power steering fluid level and inspect for any leaks in the system.
4
Use a jack to raise the vehicle and perform a wheel shake test to check for play in the wheel bearings.
5
Examine the engine and transmission mounts for signs of wear or failure.
6
Listen for the noise while turning the steering wheel to identify its origin.

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
•Pry bar
•Axle socket
•Impact wrench
•Safety glasses
•Gloves

Parts Required

•Control arms (if worn)
•Suspension bushings (if deteriorated)
•CV joint or axle assembly (if damaged)
•Engine or transmission mounts (if failing)

Related Faults

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Diagnostic Steps

1
Inspect the suspension components for visible damage or wear, including control arms, bushings, and struts.
2
Check the CV joints and boots for any signs of damage or leakage.
3
Test the power steering fluid level and inspect for any leaks in the system.
4
Use a jack to raise the vehicle and perform a wheel shake test to check for play in the wheel bearings.
5
Examine the engine and transmission mounts for signs of wear or failure.
6
Listen for the noise while turning the steering wheel to identify its origin.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface, and engage the parking brake.
Disconnect the negative battery terminal to prevent electrical issues.

2. Inspect and Replace Suspension Components

Sub-steps:
1. Remove the wheel on the affected side using a socket set.
2. Inspect the control arms for cracks or excessive wear, replacing them if necessary.
3. Check the bushings for deterioration; if they are cracked or worn, replace them.
4. If the struts are leaking or damaged, replace them with new units.
Tools Required: Socket set, torque wrench, pry bar
Safety Warnings: Wear safety glasses and gloves. Ensure the vehicle is securely supported on jack stands.

3. Check and Replace CV Joints

Sub-steps:
1. Inspect the CV boots for tears or grease leaks; if damaged, replace the entire CV joint.
2. Remove the axle nut and the axle from the hub.
3. Replace the CV joint or axle assembly as needed, ensuring to use new axle nuts.
Tools Required: Axle socket, impact wrench, grease
Safety Warnings: Allow the vehicle to cool before working on the axle.

4. Inspect and Replace Engine or Transmission Mounts

Sub-steps:
1. Inspect the mounts for cracks or excessive wear.
2. Remove any components obstructing access to the mounts.
3. Replace the mounts if they show signs of failure, using a torque wrench to tighten them to the manufacturer’s specifications.
Tools Required: Torque wrench, ratchet set
Safety Warnings: Ensure the vehicle is securely supported to prevent it from rolling.