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Clunking noise from front end on my 2020 Encore over bumps

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Mike T. · rep 0 · May 22, 3:50 AM · 1 replies · solved · Question

Vehicle: 2020 Buick Encore Preferred

Hi all,

I've got a persistent clunking noise coming from the front end of my 2020 Buick Encore Preferred. It's most noticeable when I go over speed bumps, potholes, or any uneven road surfaces. It sounds like a single, distinct 'clunk' from the driver's side front.

The car has about 45,000 miles on it. I haven't hit any major potholes recently, and the steering feels normal, no pulling or looseness. Could this be a suspension issue? What should I be looking for? Any common problems with the Encore's suspension that cause this?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 3:50 AM

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ClearTheCode admin answer:

A clunking noise from the front suspension, especially over bumps, is a very common complaint and usually points to worn or loose suspension components. For your 2020 Buick Encore, several parts could be the culprit.

Here are the most likely causes:

  1. Sway Bar Links (Stabilizer Links): These are very common failure points. The bushings or ball joints on the sway bar links can wear out, causing a clunking noise as the suspension moves up and down.
  2. Control Arm Bushings: The rubber bushings that connect the control arms to the vehicle's frame can degrade over time. When they wear out, the control arm can shift, leading to a clunking sound.
  3. Strut Mounts/Bearings: The top mounts of the front struts can wear out, especially the bearing within them. This can cause a clunking or popping noise, particularly when turning or going over bumps.
  4. Ball Joints: Worn lower (or upper, if applicable) ball joints can also produce a clunking sound as they lose their tight fit. This is a more serious issue as it affects steering and wheel stability.
  5. Tie Rod Ends: While less common for a 'clunk' over bumps, loose inner or outer tie rod ends can sometimes contribute to front-end noises.

**What to Check (Carefully!):

  • Visual Inspection: With the car safely on jack stands, visually inspect the rubber boots on sway bar links, control arm bushings, and ball joints for tears or cracks. Look for any signs of excessive play.
  • Shake Test: Gently try to move the wheel side-to-side and up-and-down (with the car safely lifted) to check for play in ball joints and tie rods.

When to See a Shop:

  • Promptly: While not always an immediate safety hazard, worn suspension components can affect handling, tire wear, and eventually lead to more serious failures. It's best to get it checked soon.
  • Professional Diagnosis: A mechanic can properly lift the vehicle and use pry bars to check for play in all suspension components, accurately pinpointing the source of the clunking noise. Addressing these issues early can prevent more costly repairs down the line.
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