Car Shaking at 80 MPH: What to Do and Quick Fixes

Experiencing car shaking at 80 mph can be alarming, and it’s essential to understand the potential causes and how to address them.

This article will provide insight into the common issues that lead to such vibrations at higher speeds and offer practical solutions to fix them.

Vehicles may develop shaking problems for various reasons, such as tire imbalances, worn suspension components, or wheel alignment issues.

As the shaking is likely to intensify as speeds increase, drivers should promptly diagnose and resolve the problem to maintain optimal safety and comfort.

Car Shaking at 80 Mph

Key Takeaways

  • Understand the potential causes of car shaking at 80 mph
  • Learn how to diagnose and fix the issue before it escalates
  • Familiarize yourself with preventive measures to minimize future occurrences

Causes of Car Shaking at 80 MPH

There could be several reasons why your car is shaking at 80 mph. Let’s discuss some common causes to help you diagnose the problem.

Tire and Wheel Issues: Damaged or uneven tires can cause your car to shake.

Worn out, unbalanced tires or bent rims may lead to vibrations as you drive at high speeds.

Regularly check your tires for wear, and have them balanced and aligned to prevent shaking.

Brake and Rotor Problems: Warped rotors can cause your brakes to vibrate at high speeds. If you suspect a brake issue, have a professional inspect the rotors and brake pads to ensure they are functioning properly.

Engine Issues: A shaky ride can be caused by worn spark plugs, improper air-fuel mixture, or other engine problems. Get your engine checked to ensure it’s operating efficiently.

Axle and Driveshaft: A bent axle or damaged driveshaft can result in vibrations at high speeds. If you notice unusual vibrations or the car “shimmying,” have your axle and driveshaft inspected by a mechanic.

Suspension and Motor Mounts: A faulty suspension system or worn motor mounts can cause shaking while driving. Consult with a professional mechanic if you suspect a suspension problem.

To diagnose the issue, start by checking the most likely causes. Inspect your tires, wheels, and brakes, looking for any visible damage or uneven wear.

If necessary, seek professional help for further diagnosis and repairs. Remember that addressing the problem sooner rather than later can help prevent potential safety hazards and costly repairs down the line.

Car Shaking at 80 Mph

Diagnosis and Symptom Identification

Let’s discuss some common symptoms to help you identify the issue.

Vibration during acceleration:
In case you experience vibrations during acceleration, it might be caused by misaligned wheels, tire imbalance, or worn-out wheel bearings. Ensure to check the following:

Steering wheel shaking:
When the steering wheel shakes while driving, it may indicate issues with your suspension, steering components, or unbalanced tires. To address this, consider checking:

  • Tire balance and inflation
  • Any signs of damage in steering or suspension systems

Vibrations during braking:
If the car shakes when braking, you might have issues with your braking system or unevenly worn brake pads. Examine the following components:

  • Brake pads and rotors
  • Brake system for any leaks or damages

Car shaking at idle:
A shaking car during idling could suggest engine problems such as misfires, clogged fuel injectors, or issues with the air filter. You should inspect:

  • Fuel filter and injectors
  • Air filter and hoses
  • Check engine light for any codes

To get an accurate diagnosis, we recommend conducting a road test and consulting a certified mechanic. They can help you identify the real cause of the car vibration and provide guidance on addressing it properly.

Be sure to maintain your vehicle regularly to keep it in optimal condition and minimize shaking while driving.

Car Shaking at 80 Mph

Solutions and Fixes

To address the issue of your car shaking at 80 mph, consider the following solutions:

1. Unbalanced Wheels and Tires: Imbalanced tires are a common cause of car vibrations at high speeds. You can have your tires balanced at a professional service center. They’ll adjust the balance weights on the rims to ensure a smooth ride.

2. Wheel Alignment: Improper wheel alignment can also cause your car to shake. Visit a nearby mechanic to check and adjust your vehicle’s wheel alignment, ensuring a safer and smoother driving experience.

3. Suspension Components and Bushings: Worn suspension components and bushings can lead to shaking. Inspect and replace any worn parts, like ball joints and tie rods, to fix the issue.

4. Brake Rotors, Calipers, and Pads: Faulty brake rotors, calipers, or pads can cause your car to vibrate. Have a mechanic check the brake system and replace any defective parts.

5. Engine Mounts and Transmission Mounts: Damaged or worn engine mounts and transmission mounts can cause vibrations. Check these components for any signs of wear or damage, and replace as needed.

Here’s a comparison table to help you identify the main causes and their respective solutions:

Unbalanced WheelsBalance tires and adjust balance weights
Improper Wheel AlignmentAdjust wheel alignment
Worn Suspension ComponentsInspect and replace worn parts (ball joints, tie rods, etc.)
Faulty Brake Rotors/CalipersCheck and replace defective parts
Damaged Engine or Transmission MountsReplace damaged or worn mounts

By taking these steps, you should be able to resolve the issue of your car shaking at 80 mph and enjoy a smooth, safe driving experience.

Car Shaking at 80 Mph

Preventive Measures

To avoid car shaking at 80 mph, consider the following preventive measures:

  • Check your tires regularly: Worn tires can exacerbate car shaking issues. Look for signs of uneven wear and replace them when necessary.
  • Ensure proper tire balance: Out-of-balance tires can cause your car to shake at higher speeds. Make sure to have your tires balanced regularly to maintain a smooth ride.
  • Align your wheels: Misaligned wheels can contribute to shaking and lead to uneven tire wear. Regular wheel alignments can help ensure a more stable and comfortable ride.
  • Inspect and maintain suspension parts: Issues with your suspension system, such as worn tie-rod ends, damaged CV joints, or malfunctioning shocks can cause car shaking at high speeds. Regularly inspect and replace these components as needed.
  • Examine and resurface brake rotors and drums: Imbalance in brake rotors or drums can lead to a shaking sensation at high speeds. Take time to inspect and resurface them when necessary to maintain optimal performance.

Remember, a little maintenance goes a long way. Taking care of these key components – tires, wheels, suspension parts, and brakes – can greatly reduce the likelihood of car shaking at 80 mph, making your driving experience more enjoyable and safe.

When to Seek Professional Help

Sometimes, your car may shake at 80 mph due to different reasons that need professional attention.

In such situations, it’s best to consult an expert mechanic to diagnose and fix the problem. Here are a few reasons why seeking professional help is necessary:

  • Wheel bearings and ball joints: Damaged or worn wheel bearings and ball joints can cause vibrations at high speeds. If you suspect these components are causing the issue, it’s wise to have a mechanic inspect and replace them.
  • Engine and motor mounts: Faulty engine or motor mounts could lead to vibrations as they support the engine and absorb vibrations. A professional mechanic can evaluate their condition and replace them if necessary.
  • Worn CV joint: A worn or damaged CV joint can cause your car to vibrate at 80 mph. It’s important to have a mechanic assess the issue and replace the CV joint if needed.
  • Transmission fluid: Low or contaminated transmission fluid can cause your car to vibrate. Check the fluid level and color to ensure it’s in good condition, and consider seeking professional help for a transmission fluid change if needed.
  • Timing belt: A loose or worn timing belt may result in engine vibrations at high speeds. A mechanic can check the belt’s condition and replace it if necessary.

In summary, if you suspect any of the issues mentioned above, it’s a good idea to consult a professional mechanic for proper diagnosis and repair. Ignoring these issues could result in further damage to your vehicle and affect its performance.

Car Shaking at 80 Mph


In conclusion, car shaking at 80 mph is a concerning symptom that should not be overlooked.

While there are multiple potential causes, from tire imbalances to engine issues, it’s crucial to diagnose and address the root of the problem promptly.

Regular maintenance, such as checking tire balance and alignment, inspecting suspension components, and ensuring optimal engine health, can prevent such issues from arising.

If you experience vibrations at high speeds, it’s advisable to consult a professional mechanic to ensure your vehicle’s safety and optimal performance.

Remember, while some causes might be minor, neglecting them can lead to more significant problems down the road.

Prioritize your safety and the longevity of your vehicle by addressing any signs of shaking immediately.

Frequently Asked Questions

Why does my car vibrate at high speeds?

Car vibration at high speeds is often due to imbalanced or damaged tires. As the speed increases, the shaking becomes more apparent. Worn or uneven tires can cause the car to shake, leading to a decrease in performance and possible safety issues.

How can I fix my car shaking while driving?

To fix car shaking while driving, you should:

  1. Check tire balance and alignment – If the tires are imbalanced or misaligned, get them properly balanced and realigned by a professional.
  2. Inspect tires for damage or wear – Replace damaged or worn tires to maintain optimal performance.
  3. Examine suspension components – Worn or damaged suspension components can cause shaking. Replace or repair them if necessary.

What causes a car to shake around 80 mph?

Car shaking at 80 mph is most commonly caused by imbalanced tires. The shaking may not be noticeable at low speeds, but can build up significantly around 70-80 mph, making it more prominent.

Is it safe to drive when my car shakes at certain speeds?

Driving with a shaking car can be a safety hazard, as it might indicate that there’s an issue with your vehicle’s tires, suspension, or other components. If your car shakes at certain speeds, it’s best to have it inspected and repaired by a professional as soon as possible.

Could braking cause my car to shake between 60-80 mph?

Yes, braking can cause car shaking if there’s an issue with the brake components. For instance, warped rotors or worn brake pads can lead to vibrations during braking. This shaking can be more noticeable between 60-80 mph. Inspect your braking system and replace worn or damaged components to resolve this issue.

What are common reasons for shaking at 40-50 mph?

Shaking at 40-50 mph can be caused by:

  • Imbalanced tires: Make sure your tires are well balanced and rotated regularly.
  • Damaged or worn suspension components: Inspect and replace necessary components for a smooth ride.
  • Engine issues: Consider checking for vacuum leaks, replacing worn spark plugs, or cleaning fuel injectors.
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Sean Mendez

Hi, I am Sean, a self-confessed petrolhead. I live in Boise, Idaho with a busy family of four and our energetic Labrador retriever. Thank you for visiting my website. You can find my email on the contact page.

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