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2018 Model 3 Front End Clunking Noise Over Bumps

0

Chris P. · rep 0 · May 22, 5:23 AM · 1 replies · solved · Question

Vehicle: 2018 Tesla Model 3 Long Range

Hey everyone,

My 2018 Tesla Model 3 Long Range, with about 70,000 miles on it, has developed a really annoying clunking noise from the front suspension. It's most noticeable when going over speed bumps, potholes, or uneven road surfaces at low speeds. It sounds like something is loose.

I've checked for anything obvious like loose lug nuts, but everything seems tight. The steering feels okay, but the sound is definitely coming from the front wheels/suspension area. Has anyone else experienced this with their 2018 Model 3? What was the fix?

I'm hoping it's not something major, but it's getting progressively worse and I'm concerned about safety.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:23 AM

0

ClearTheCode admin answer:

A clunking noise from the front suspension of a Tesla Model 3, especially over bumps, is a common complaint and often points to worn suspension components. Here's a breakdown of potential causes and what to do:

  1. Identify the Source: The sound can originate from various parts. Try to pinpoint if it's more on the left or right side, and if it happens during compression (going over a bump) or rebound (after the bump).

  2. Common Causes:

    • Worn Control Arm Bushings: This is a very frequent culprit on Model 3s, particularly the front upper and lower control arms. The bushings can degrade, leading to play and metal-on-metal contact. Tesla has revised these parts over the years.
    • Sway Bar End Links: These links connect the sway bar to the suspension. If they are worn or loose, they can produce a clunking sound.
    • Ball Joints: Worn ball joints in the control arms can also cause similar noises and affect steering precision.
    • Strut Mounts/Bearings: Less common, but worn strut mounts or bearings can also contribute to suspension noise.
    • Loose Components: Though you checked, sometimes a component like a brake caliper or a heat shield can come loose.

  3. When to See a Shop:

    • Immediately: If the noise is accompanied by a change in steering feel, vehicle stability, or braking performance, it's crucial to have it inspected by a qualified Tesla service center or an independent shop specializing in Teslas immediately. These issues can compromise safety.
    • Soon: Even if it's just a noise, worn suspension components can accelerate wear on other parts and lead to more expensive repairs down the line. It's best to address it promptly.

  4. Diagnostics: A technician will typically lift the vehicle, inspect the suspension components for play, cracks in bushings, and signs of wear. They may use a pry bar to check for movement in ball joints and bushings. While there isn't usually an OBD-II code for mechanical suspension noise, ignoring it can lead to more severe issues that might trigger other vehicle alerts.

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