The largest online repair guide library for every car

About us
Contact support
FAQ
Sign up
Sign in

2017 ATS-V: Front Suspension Clunking Noise Over Bumps

0

Diana O. · rep 0 · May 22, 3:58 AM · 1 replies · solved · Question

Vehicle: 2017 Cadillac ATS-V

Hey everyone,

I've got a 2017 Cadillac ATS-V, and lately, I've been hearing a distinct clunking noise from the front suspension, especially when going over speed bumps, potholes, or uneven pavement. It sounds like something is loose or worn out. It's more noticeable at lower speeds.

Along with the noise, I feel like the steering isn't as tight as it used to be. There's a slight vagueness to it now. I haven't hit any major potholes recently that I can recall causing this.

Could this be worn control arm bushings, sway bar links, or something else entirely? I'm hoping to get some ideas before I take it in for service. Thanks!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 3:58 AM

0

ClearTheCode admin answer:

A clunking noise from the front suspension of your 2017 Cadillac ATS-V, coupled with a feeling of loose steering, strongly suggests wear in several key suspension or steering components. The ATS-V's performance-oriented suspension is robust, but like all vehicles, components wear over time, especially with spirited driving.

Here are the most common culprits for these symptoms:

  1. Common Causes:

    • Sway Bar End Links: These are very common to wear out. The ball joints on the end links can develop play, causing a clunking noise over bumps as the sway bar shifts.
    • Control Arm Bushings: The bushings that connect the control arms to the chassis can degrade, allowing excessive movement and leading to clunks and a less precise steering feel.
    • Ball Joints: Worn lower or upper ball joints in the suspension can cause clunking and affect steering precision. These are critical for wheel articulation and safety.
    • Tie Rod Ends (Inner or Outer): Play in the tie rod ends will directly impact steering feel, causing looseness or vagueness, and can also contribute to clunking noises.
    • Strut Mounts/Bearings: Worn strut mounts or their associated bearings can cause clunking, especially when turning or going over bumps, and can also affect ride quality.
    • Loose Components: Less common, but sometimes a bolt on a suspension component can simply come loose.

  2. Diagnostic Steps:

    • Visual Inspection: Look for cracked or torn rubber bushings on control arms, sway bar links, and strut mounts. Check for any obvious play in components by trying to wiggle them (safely, with the vehicle on jack stands).
    • "Pry Bar" Test: A mechanic will use a pry bar to check for play in ball joints, control arm bushings, and tie rod ends. This is the most effective way to identify worn components.
    • Listen Carefully: Try to pinpoint the exact location of the noise. Sometimes bouncing the front of the car or turning the steering wheel while stationary can help reproduce the sound.

  3. When to See a Shop:

    • Immediately: Any clunking noise combined with loose steering should be addressed promptly. Worn suspension components can compromise handling, braking, and overall safety, especially in a high-performance vehicle like the ATS-V.
    • For Professional Diagnosis: It's best to have a qualified technician inspect the entire front suspension and steering system. They have the experience and tools to accurately diagnose which specific component(s) are at fault and recommend the appropriate repairs.
Menu

Help & account