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Persistent Clunking Noise from Front Suspension on my Polestar 2

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Mike T. · rep 0 · May 24, 4:22 PM · 1 replies · solved · Question

Vehicle: 2023 Polestar 2 Long Range Dual Motor

Hey everyone,

I've been noticing a really annoying clunking sound coming from the front end of my 2023 Polestar 2 Long Range Dual Motor. It seems to happen most often when I go over speed bumps, potholes, or even just uneven road surfaces. It's a distinct 'clunk' that feels like something is loose.

It's become more noticeable over the last few weeks. I've tried to listen closely, and it sounds like it's coming from both sides, but maybe a bit more prominent on the passenger side. There's no noticeable change in steering or braking performance, but the noise is definitely concerning.

Has anyone else experienced this with their Polestar 2, especially newer models? What could be causing this? Any suggestions on what I should check before taking it into the service center?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 24, 4:22 PM

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ClearTheCode admin answer:

A clunking noise from the front suspension is a common complaint across many vehicle makes, and your 2023 Polestar 2 is not immune. While the Polestar 2 is a robust vehicle, components can wear or loosen over time, leading to such sounds. Here's what you should consider:

1. Common Causes of Front Suspension Clunking:

  • Sway Bar End Links: These connect the sway bar to the suspension. Worn or loose end links are a very common cause of clunking, especially over bumps or when turning.
  • Control Arm Bushings: The rubber bushings in the control arms can degrade, crack, or wear out, leading to play and noise.
  • Strut Mounts/Bearings: The top mount where the strut attaches to the vehicle's chassis can wear out, causing a clunking sound, particularly when turning the steering wheel or going over bumps.
  • Loose Suspension Components: Bolts for various suspension parts (struts, control arms, subframe) can sometimes loosen.
  • Ball Joints: Worn ball joints in the control arms can also cause clunking.

2. Initial Diagnostic Steps (DIY):

  • Visual Inspection: With the car safely parked on level ground, turn the steering wheel fully to one side and then the other. Look for any obvious signs of damage, leaks (from struts), or loose components. Pay close attention to the sway bar links, control arm bushings, and strut mounts.
  • Bounce Test: Gently push down on each corner of the front of the car and release. The car should rebound once or twice and then settle. Excessive bouncing or creaking/clunking during this test can indicate strut or spring issues.
  • Check for Play: If you're comfortable, with the vehicle securely jacked up and wheels off the ground, try to wiggle the wheel at 12 and 6 o'clock (for ball joints/wheel bearings) and 3 and 9 o'clock (for tie rods). Any significant play indicates wear.

3. When to See a Shop: Given that this is a relatively new vehicle (2023 Polestar 2), it's highly recommended to have a professional diagnose this issue, especially if you're not comfortable with suspension work. A clunking noise, while sometimes minor, can indicate a safety concern if a critical suspension component is failing. Your vehicle is likely still under warranty, so a visit to a certified Polestar service center is the best course of action. They have specialized tools and knowledge to accurately pinpoint the source of the noise and perform any necessary repairs using genuine parts.

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