Imagine you’re on your morning commute to work, when the steering wheel of your Ram 1500 suddenly starts vibrating – shaking in your hands. Naturally, this would not just disrupt your drive, but it would likely send most of us into a panic! These shakes or jolts often begin as a faint rhythmic pulse, but they can quickly escalate into something more jarring that feels unnatural – and makes you worry about your vehicle, and your safety. While a shuddering steering wheel can be a common occurrence, it is not something that should be ignored or taken lightly.
A vibrating steering wheel often serves as an early warning system for your vehicle. It signals that a component – be it tires, brakes, suspension, or something else – has fallen out of sync, and that your vehicle’s health, your in-car safety, and your budget have all come under threat. Fortunately, if you know what to look out for and understand the cues, then you’re well on your way to ensuring and maintaining both the longevity of your vehicle – and your personal safety.
This article is not an exhaustive list of causes for steering wheel vibration nor is it a DIY guide; instead, it acts as a reference for what to do in the event your vehicle exhibits steering wheel vibration. CarBuzz advises diagnosis and repair by accredited professionals in all cases.
Steering Vibrations: When You Can Experience It
There are many different circumstances that can cause a vibrating steering wheel, and it’s usually a sign of an underlying problem. In most cases, the issue manifests as a steering wheel vibration at high speed, which typically becomes noticeable when you hit 50-60 mph. Depending on the severity of the issue, it can either smooth out or intensify the more you accelerate. Whether the vibration you’re experiencing dies away or persists, it should raise the alarm bells.
If your steering wheel shakes at high speeds only when you apply the brakes, the reason can, in all likelihood, be traced to the friction surface of your vehicle’s stopping system. It’s crucial to identify whether the vibration is felt through the seat (which can be indicative of rear-end issues) or strictly through your hands. Conversely, you might notice a wheel wobble when driving at lower speeds, showing itself in the form of a side-to-side tugging. If the vibration occurs when executing a sharp turn, it could suggest a different mechanical failure or issue than one that occurs while cruising in a straight line.
How To Diagnose The Cause Of Steering Wheel Vibration
It may sound cliché, but diagnosis begins with a process of elimination and eagle-eyed observation. Start by asking, “Can low tire pressure cause vibration?” While low pressure on a tire usually causes a “pull” to one side, extreme under-inflation or uneven pressure across an axle can create a subtle shimmy or wallow. If the below DIY checks don’t reveal a clear culprit for the vibration, it is probably time to visit a professional.
DIY Tests For Steering Wheel Vibration
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Visual Inspection |
Park the vehicle on a level surface and check for “cupping” or uneven tread wear on your tires. |
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The “Hand Test” |
Safely feel the rims after a drive. If the wheel is unusually hot, it could indicate a sticking brake caliper. |
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Physical Check |
With the car safely jacked up, grab the tire at the 12 and 6 o’clock positions and shake it. Any play could suggest a bad wheel bearing. Shaking it at 3 and 9 o’clock often reveals worn tie rods. |
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Road Surface Check |
Ensure the vibration persists on different road textures to rule out “washboard” pavement. |
Here are the most common causes for steering wheel vibrations in your car:
Reason 1: Tires
Worn, Out Of Balance, Or Misaligned
Tires are the most common source of vibration for a simple reason: they are the only part of your vehicle that’s in constant contact with the road. If a tire becomes unbalanced – or was fitted incorrectly without being balanced and aligned – it creates a centrifugal force that shakes the assembly. Similarly, internal belt separation or “flat-spotting” from sitting too long can cause the tire to lose its shape, resulting in the shudder you’d feel through the steering wheel.
How to Fix Tire Issues, Like Imbalances
To resolve tire-related vibrations, you must restore the uniform shape and weight distribution of the rubber. Here are a few simple steps:
- Visit a tire shop for a professional computerized wheel balance.
- Perform an alignment test on all four tires, as well as the spare tire.
- Rotate your tires every 5,000 to 8,000 miles to prevent uneven wear patterns.
- Inspect for “out of round” tires or internal belt shifts. Replace damaged tires where necessary.
- Maintain the manufacturer-recommended PSI to prevent sidewall deformation.
- Replace worn tires on time.
Reason 2: Wheels
Worn Bearings Or Damaged Rims
Sometimes the rubber is fine, but the metal it’s mounted to may be compromised. A bent rim that’s been caused by a pothole or hitting a curb can create a persistent wobble that balancing cannot fix. In addition, the wheel bearing – the component that allows the wheel to spin freely with minimal friction – can wear down. This causes the entire wheel assembly to tilt or shake during rotation.
How to Fix Wheel Issues
Fixing wheel issues involves inspecting the structural integrity of the rim and the health of the hub. For the most part, this requires you to see a professional for a complete diagnosis and repair of the issue.
- Use a dial indicator to check for “runout” or bends in the wheel rim.
- Replace worn wheel bearings if you hear a growling noise or feel play in the hub.
- Straighten bent alloy rims at a specialized wheel repair shop.
- Ensure lug nuts are torqued to the specific requirements for your vehicle.
- Clean the hub mounting surface to ensure the wheel sits perfectly flush.
Reason 3: Brakes
Warped Rotors Or Sticking Calipers
If your steering wheel only vibrates when you hit the brakes, it is almost guaranteed that the issue lies in the braking system. When brake rotors (the discs) get too hot, they can warp or develop “cementite” spots. In other words, uneven deposits of brake pad material can collect on the rotors. As the pads squeeze the uneven rotor, the pulsations travel through the caliper and up the steering column.
How to Fix Brake System Issues
Restoring your braking system requires smoothing out the friction surfaces and ensuring free movement of the hardware. If you’re not familiar with the DIY steps of this amendment process, rope in a professional.
- Replace warped brake rotors or have them “turned” (resurfaced) on a lathe.
- Install high-quality new brake pads to ensure even material transfer – and check for brake wear on existing pads.
- Clean and lubricate the brake caliper slide pins to prevent sticking.
- Inspect the brake calipers for seized pistons that apply uneven pressure.
- Check the hub-to-rotor mating surface for rust or debris buildup.
Reason 4: Suspension
Worn Bushings Or Joints
Your vehicle’s suspension system is not just something to brag about at the BBQ. In a practical sense, it’s designed to absorb road shock and give you the best possible ride quality. However, when the components wear out, they allow for “extra” movement. Worn ball joints or bushings (the rubber cushions between metal parts) can allow the wheel to move independently of your steering input. The degree to which this happens depends on the severity of the issue. Off-road vehicles or high-mileage vehicles should be inspected regularly.
How to Fix Suspension Issues
Suspension repairs involve replacing the rubber or metal joints that have developed excessive “play.”
- Replace worn outer and inner tie rod ends to tighten steering response.
- Install new control arm bushings if the rubber is cracked or missing.
- Swap out failing ball joints that allow the wheel to “clunk” or shimmy.
- Inspect CV (Constant Velocity) axles for torn boots or clicking sounds during turns.
- Replace worn-out shocks or struts that no longer dampen wheel oscillations.
Reason 5: Steering System
Worn Components
In some cases, the vibration originates within the steering rack or gear itself. A worn sector shaft bushing or a loose steering rack mounting bolt can allow the entire steering assembly to vibrate against the chassis. Steering system issues are less common than the other mentioned issues, but are a cause for concern.
How to Fix Steering System Issues
Given the more complex nature of addressing steering system vibrations, it’s likely that the repairs would have to be completed by a professional, who would look at the following:
- Tighten or replace the steering rack’s mounting bolts and bushings.
- Adjust the steering gear “preload” if your vehicle’s service manual allows for it.
- Replace the steering universal joint if it has developed a “notch” or play.
- Flush and refill the power steering fluid to ensure consistent pressure and lubrication.
- Replace the entire steering rack if internal seals or gears are failing.
What About EVs?
Do Electric Vehicles Have Steering Issues Like This?
When it comes to steering vibrations, electric vehicles present unique challenges. Because EVs are significantly heavier than internal combustion engine vehicles due to their very heavy battery packs, they put much more stress on tires and suspension components. This extra weight can cause the tires to develop “flat spots” more quickly if left parked for extended periods, which, as we’ve established, causes vibrations through the steering wheel.
EVs also produce instant torque. While fun, it can lead to rapid and sometimes uneven tire wear if the driver/owner frequently explores that acceleration prowess.
EV tires are also designed with specialized foam inserts to reduce road noise. If this foam becomes loose inside the tire – known as “foam delamination” – it can cause an imbalance that can result in vibration. Given EVs’ complex nature, it is important that qualified technicians inspect the vehicle if you are experiencing steering wheel vibrations as you drive.
Whether you drive an EV, hybrid, or regular ICE car, a steering wheel shaking while you’re driving can be unsettling – we recommend having it checked out by a professional as soon as possible.
Sources: Old Ox Tire, Yokohama Canada, Firestone, Trodo, My Bushing, Springs Auto, Car Parts