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Persistent Clunking Noise from Front Suspension on My Polestar 2

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Sarah K. · rep 0 · May 22, 7:45 AM · 1 replies · solved · Question

Vehicle: 2021 Polestar 2 Long Range Dual Motor

Hey everyone,

I've been noticing a really annoying clunking sound coming from the front end of my 2021 Polestar 2 Long Range Dual Motor. It seems to happen most often when I go over speed bumps, potholes, or even just uneven pavement. It's a distinct 'clunk' and it's starting to get on my nerves.

I've tried listening carefully, and it sounds like it's coming from the driver's side front wheel area. It's not constant, but it's definitely reproducible when the suspension is articulating. The car only has about 30,000 miles on it, so I'm a bit surprised to be hearing this already.

Has anyone else experienced a similar issue with their Polestar 2? What was the cause, and what was the fix? I'm hoping it's something relatively simple and not a major suspension component. Any advice or shared experiences would be greatly appreciated before I take it into the service center.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 7:45 AM

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ClearTheCode admin answer: It sounds like you're experiencing a common issue that can arise with suspension components. A clunking noise, especially over bumps or during turns, often points to wear or looseness in the front suspension system. Given your Polestar 2's mileage, it's definitely worth investigating.

Here's a breakdown of potential causes and what you can do:

1. Common Causes of Front Suspension Clunking:

  • Sway Bar End Links: These connect the sway bar to the suspension and are a very common source of clunking when their bushings wear out or the links themselves become loose. This often manifests over uneven surfaces or when turning.
  • Control Arm Bushings: Worn or cracked rubber bushings in the control arms can cause metal-on-metal contact and a noticeable clunk, especially during suspension compression and rebound.
  • Strut Mounts/Bearings: If the strut mounts or the bearings within them are failing, you might hear a clunk, particularly when turning the steering wheel or going over bumps. The bearing allows the strut to rotate with the steering.
  • Ball Joints: Worn ball joints, which connect the control arm to the steering knuckle, can also produce a clunking sound, especially when the suspension articulates.
  • Loose Components: Sometimes, it's as simple as a loose bolt on a suspension component, though this is less common on newer vehicles.

2. Diagnostics & What You Can Check (Carefully):

  • Visual Inspection: With the car safely jacked up and supported on jack stands, visually inspect the sway bar links, control arm bushings, and strut mounts for any signs of wear, cracks, or looseness. Try to gently pry on components with a pry bar (carefully!) to check for play. Look for grease leaks around ball joints or torn boots.
  • Listen Carefully: Try to pinpoint the exact location of the sound. Does it happen more on one side? Sometimes having a helper bounce the car while you listen can help.

3. When to See a Shop:

  • Immediate Concern: Any persistent clunking noise from the suspension should be addressed promptly. Worn suspension components can affect handling, braking stability, and tire wear, and in severe cases, lead to a loss of control. It's a safety issue that shouldn't be ignored.
  • Professional Diagnosis: If you're unsure about the cause, uncomfortable performing a visual inspection, or lack the proper tools, it's best to take your Polestar 2 to a qualified technician. They have specialized tools and expertise to safely diagnose and repair suspension issues. Polestar service centers or independent shops specializing in EVs are good options.
  • No OBD Codes: Suspension issues like this typically do not trigger OBD-II diagnostic trouble codes unless they are severe enough to impact wheel speed sensors or other electronic stability control components, which would then illuminate a warning light on your dashboard.
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