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Steering wheel shakes when braking in my 2018 Grand Cherokee

0

Rachel A. · rep 0 · May 22, 3:25 AM · 1 replies · solved · Question

Vehicle: 2018 Jeep Grand Cherokee Limited

Hey everyone,

I've been noticing a pretty significant vibration in my steering wheel and brake pedal whenever I apply the brakes in my 2018 Jeep Grand Cherokee Limited. It's most noticeable at highway speeds, but I can feel it even at lower speeds now. It feels like the whole front end is shaking.

I bought the vehicle used about a year ago, and I'm not sure when the brakes were last serviced. The pads still look like they have some life left, but I'm no expert. Could this be warped rotors, or something more serious with the suspension?

Any advice on what I should check first, or if this is something I need to get into a shop for immediately? I want to make sure my family is safe.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 3:25 AM

0

ClearTheCode admin answer:

It sounds like you're experiencing a common issue known as brake pulsation, which manifests as a vibration through the steering wheel and brake pedal during braking. This is definitely something you'll want to address promptly for both safety and driving comfort.

Here are the most common causes and what to check:

  1. Warped Brake Rotors: This is the most frequent culprit. Overheating can cause rotors to develop uneven surfaces, leading to the pulsation you feel. While they might not look visibly 'warped,' the surface runout can be enough to cause vibration.
  2. Worn or Uneven Brake Pads: If brake pads are excessively worn or have uneven wear patterns, they can contribute to vibration. Sometimes, a pad can also delaminate or have foreign material embedded.
  3. Seized Brake Caliper: A caliper that isn't releasing properly can cause one pad to drag, leading to excessive heat and rotor warping, or simply uneven braking force.
  4. Suspension Components: Less common for direct brake pulsation, but worn suspension parts can exacerbate the feeling or be a contributing factor. Check for play in:
    • Ball joints
    • Tie rod ends
    • Control arm bushings
    • Wheel bearings (though this usually presents as a hum or growl that changes with speed, not just braking).

When to See a Shop:

  • Immediately: If the vibration is severe, if you notice any pulling to one side when braking, or if your brake pedal feels unusually soft or hard. These could indicate more critical brake system failures.
  • Soon: If you're not comfortable inspecting the components yourself, or if you've checked the basics (like visible pad wear) and can't pinpoint the issue. A professional can measure rotor runout, inspect calipers, and thoroughly check suspension components. They can also check for any relevant ABS (Anti-lock Braking System) codes, though direct pulsation usually isn't an ABS fault unless the ABS light is on (e.g., C0031-C0052 for wheel speed sensor issues, which might affect braking stability but less likely direct pulsation).

Addressing this issue quickly will restore your braking performance and ensure your Jeep is safe on the road.

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