why does my Volvo XC60 Second Generation (2018-2024) make a knocking noise when accelerating

Volvo XC60 Second Generation (2018-2024)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

471 words

Problem Statement

Learn how to diagnose and fix knocking noise during acceleration in Volvo XC60 (2018-2024). 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

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool down before inspecting exhaust components.

Symptoms

•Knocking noise when accelerating
•Noise becomes more pronounced under heavy acceleration
•Possible vibration felt through the steering wheel
•Decreased performance or power during acceleration
•Unusual sounds when turning the steering wheel

Diagnostic Steps

1
Inspect the engine and transmission mounts for damage or wear.
2
Check for loose or damaged exhaust system components.
3
Examine the driveshaft and CV joints for wear or failure.
4
Test the suspension components, including struts and control arms.
5
Scan for any diagnostic trouble codes (DTCs) using an OBD-II scanner.

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

•OBD-II scanner
•Pry bar
•Socket set
•Wrench set
•Jack and jack stands
•Flashlight

Parts Required

•Engine and transmission mounts (if damaged)
•Exhaust hangers (if damaged)
•CV joints (if worn)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the engine and transmission mounts for damage or wear.
2
Check for loose or damaged exhaust system components.
3
Examine the driveshaft and CV joints for wear or failure.
4
Test the suspension components, including struts and control arms.
5
Scan for any diagnostic trouble codes (DTCs) using an OBD-II scanner.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the negative battery terminal to ensure safety.

2. Inspect Engine and Transmission Mounts

Sub-steps:
- Remove any covers obstructing access to the mounts.
- Visually inspect mounts for cracks or separation.
- Use a pry bar to check for excessive movement in the mounts.
Tools Required: Pry bar, socket set.

3. Check Exhaust System Components

Sub-steps:
- Visually inspect the exhaust for loose hangers or broken brackets.
- Tap on the exhaust system gently to identify any loose components.
- Tighten any loose bolts or replace damaged hangers.
Tools Required: Wrench set, exhaust hanger removal tool.

4. Examine Driveshaft and CV Joints

Sub-steps:
- Lift the vehicle and secure it with jack stands.
- Inspect CV joints for grease leakage or cracks in the boots.
- Check the driveshaft for any signs of damage or imbalance.
Tools Required: Jack and jack stands, flashlight.

5. Test Suspension Components

Sub-steps:
- Check for any play in the ball joints and bushings.
- Inspect struts/shocks for leaks or damage.
- Replace any worn components as necessary.
Tools Required: Wrench set, torque wrench.