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2019 Ford Mustang GT - Loose Steering and Highway Vibration

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Mike T. · rep 0 · May 25, 1:33 AM · 1 replies · solved · Question

Vehicle: 2019 Ford Mustang GT

Hi everyone,

I'm reaching out about an issue with my 2019 Ford Mustang GT, which has about 55,000 miles on it. Lately, the steering has started to feel really loose and vague, especially when I'm driving at higher speeds. It doesn't feel as precise as it used to, and I find myself making small corrections constantly.

In addition to the loose steering, I'm also getting a noticeable vibration through the steering wheel and sometimes the floorboards when I'm on the highway, typically above 60 MPH. It's not a violent shake, but it's definitely there and wasn't before.

I haven't hit any major potholes, and the tires seem to be in good shape. Could these two issues be related? Has anyone with a 2015-2026 Mustang experienced similar problems? Any thoughts on what might be causing this?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 1:33 AM

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Hello Jessica,

Loose steering combined with highway vibration on your 2019 Ford Mustang GT suggests a few potential issues that affect both steering precision and ride quality. These problems are often interconnected and point towards components in the steering, suspension, or wheel/tire assembly.

Here are the most common causes:

  1. Tire Imbalance: This is the most common cause of vibrations at highway speeds. Even if your tires look good, they might be out of balance. This can cause the steering wheel and even the floorboards to vibrate.
  2. Worn or Damaged Tires: While you mentioned they look good, internal tire damage (like a separated belt) or uneven wear that isn't immediately obvious can cause both vibration and contribute to a vague steering feel.
  3. Worn Suspension Components:
    • Ball Joints: Worn ball joints in the control arms can introduce play, leading to loose steering and sometimes vibration.
    • Tie Rod Ends (Inner or Outer): These connect your steering rack to the wheels. Worn tie rod ends will cause excessive play, leading to loose steering and potential vibration.
    • Control Arm Bushings: Degraded bushings can allow too much movement, affecting alignment and steering feel.
  4. Wheel Bearings: A failing wheel bearing can cause a humming noise that gets louder with speed, and it can also introduce vibration and play in the wheel, affecting steering.
  5. Steering Rack Issues: Less common, but a worn steering rack or its mounting bushings can lead to a loose steering feel. The electronic power steering (EPS) system in your Mustang could also have an internal fault, which might trigger a code like U3000 (Control Module internal fault) if severe.
  6. Alignment Issues: While not a direct cause of vibration, poor alignment can exacerbate other issues and affect steering feel.

What to Check:

  • Have your tires professionally balanced and inspected for internal damage.
  • With the car safely lifted, check for play in the tie rods, ball joints, and wheel bearings.

When to See a Shop: Given that both issues are present, it's highly recommended to have your Mustang inspected by a professional mechanic. They can perform a comprehensive inspection of the steering and suspension components, check for wheel balance, and scan for any diagnostic trouble codes related to the electronic power steering system. Addressing these issues quickly will restore your Mustang's precise handling and ensure your safety.

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