Why Is My Car Shaking When I Drive? Common Causes and What to Do
July 14, 2026
A car that shakes while driving should never be ignored. While the cause may be something relatively simple, such as uneven tyre wear or incorrect wheel balance, vibration can also indicate problems with the brakes, suspension, steering, engine or drivetrain.
As a trusted mechanic in Miranda, Kar Pro Tyre & Auto helps drivers identify the source of vehicle vibrations before minor faults develop into more serious, expensive or unsafe problems.
This article explains what different types of shaking may mean, the warning signs to watch for and when a professional inspection is the safest way to keep a vehicle comfortable, reliable and roadworthy.
When a car starts shaking, the exact moment it happens can provide useful clues about the possible cause. A vibration that develops only at highway speeds is usually linked to different components than a shake that occurs while braking, accelerating or sitting at idle.
Before arranging an inspection, take note of:
These details can help a mechanic narrow down the possible causes and diagnose the fault more efficiently.
If the car feels smooth at low speeds but begins shaking within a particular speed range, the problem is often connected to the tyres, wheels or other rotating components.
Vibration between approximately 60 and 100 km/h commonly points to:
If the vibration is felt mainly through the steering wheel, the problem is often associated with the front wheels. If it is felt more strongly through the seat or floor, the rear wheels may be involved.
A wheel and tyre assembly must distribute weight evenly as it rotates. Even a small imbalance can create a noticeable vibration at higher speeds.
Wheels may become unbalanced because of:
A professional wheel balance involves spinning each wheel and tyre assembly on specialised equipment. The technician identifies uneven weight distribution and installs small clip-on or adhesive weights to correct it.
Wheel balancing should be completed whenever new tyres are fitted. It should also be checked if vibration develops, a balance weight is lost or the vehicle strikes a significant pothole or kerb.
If the tyre is distorted or the rim is bent, balancing may not remove the vibration completely. The damaged tyre or wheel may need to be repaired or replaced.
Poor wheel alignment does not usually cause strong vibration by itself. However, it can create uneven tyre wear that eventually contributes to shaking.
Wheel alignment refers to the angles at which the tyres meet the road. When these angles are outside the manufacturer’s specifications, the tyres may scrub against the road rather than rolling evenly.
Common signs of poor alignment include:
A professional wheel alignment measures and adjusts camber, caster and toe according to the vehicle manufacturer’s requirements.
Tyre wear patterns that may cause vibration include:
Once a tyre has worn into an irregular shape, the vibration may remain even after the alignment is corrected. Severely damaged or unevenly worn tyres usually need to be replaced.
If the vehicle shakes mainly when the brake pedal is pressed, the braking system should be inspected promptly.
Brake-related vibration may be felt through:
The shaking may become more noticeable when slowing from higher speeds or applying greater braking pressure.
A common cause of brake vibration is an uneven rotor surface, excessive disc runout or variation in rotor thickness. These conditions are often described as warped brake rotors.
When the brake pads clamp against an uneven braking surface, the braking force rises and falls as the rotor turns. This creates a pulsing or shaking sensation.
Typical signs include:
Rotor problems can develop because of repeated heavy braking, towing, steep downhill driving, excessive heat, incorrect installation or uneven brake-pad deposits.
Depending on their condition and remaining thickness, the rotors may need to be machined or replaced. Brake pads may also need replacement to restore smooth and consistent braking.
Brake pads that are worn unevenly, damaged or fitted incorrectly can also cause vibration. If the friction material wears at an angle or begins separating from the backing plate, the pad may grab and release against the rotor instead of applying smooth pressure.
Other warning signs include:
Seized calliper slide pins, damaged clips or worn brake hardware can also prevent the pads from moving correctly.
Repairs may involve replacing the brake pads, servicing the callipers, renewing the hardware or replacing damaged rotors.
A sticking brake calliper can cause one wheel to brake harder than the others. This may make the vehicle pull to one side, shake while braking or feel as though it is being held back.
Warning signs may include:
Do not touch the wheel, brake disc or calliper to test the temperature. Brake components can become extremely hot and cause serious burns.
If there is smoke, a strong burning smell or severe pulling, the vehicle should not be driven further. A sticking calliper can quickly damage the brake pads, rotors, wheel bearing and brake fluid.
A vibration that appears mainly when pressing the accelerator and reduces when coasting often points to the engine mounts, transmission mounts or drivetrain.
Engine and transmission mounts secure the drivetrain to the vehicle while absorbing normal vibration. When the rubber inside the mounts cracks, collapses or separates, engine movement can be transferred into the cabin.
Common signs include:
Worn mounts will not repair themselves. Continuing to drive with failed mounts can place additional strain on exhaust joints, hoses, wiring and other drivetrain components.
In front-wheel-drive and all-wheel-drive vehicles, worn CV joints or driveshaft components may cause vibration during acceleration.
A worn inner CV joint may produce a shudder under load, while an outer CV joint more commonly creates clicking noises while turning.
In rear-wheel-drive vehicles, a damaged or unbalanced tailshaft can create vibration that increases with vehicle speed or acceleration. Worn universal joints or centre bearings may also be involved.
These faults should be inspected early because drivetrain components rotate at high speed and may cause further damage if they fail.
If the car shakes while stopped at traffic lights or moving slowly but smooths out at higher speeds, the problem is often engine-related.
Possible causes include:
An engine misfire occurs when one or more cylinders do not burn fuel correctly. This can cause a rhythmic shake that is especially noticeable at idle or during acceleration.
Other symptoms may include:
If the check engine light flashes, reduce engine load, pull over safely and arrange immediate professional advice. Continuing to drive with a severe misfire may damage the catalytic converter or other engine components.
A cracked vacuum hose, loose intake pipe or leaking intake gasket can disturb the engine’s air-fuel mixture and make the idle unstable.
A dirty throttle body or faulty idle-control component can cause similar symptoms.
If the vibration becomes worse when the air conditioning, headlights or other electrical accessories are switched on, the engine may be struggling to maintain a stable idle.
A diagnostic scan and mechanical inspection can identify the cause and prevent unnecessary replacement of unrelated parts.
If the vehicle shakes, clunks or feels unstable when turning or travelling over uneven roads, the suspension and steering systems may be involved.
These systems help keep the tyres in contact with the road and maintain predictable steering and handling.
Shock absorbers and struts control the movement of the vehicle after it travels over a bump. When they wear out, the car may feel floaty, bouncy or unstable.
Other suspension components that can contribute to shaking include:
Possible warning signs include:
Visible fluid leaks from shock absorbers, cracked rubber bushings or damaged suspension arms should be inspected by a qualified mechanic.
Worn steering components can create vibration through the steering wheel and make it difficult for the front wheels to maintain a steady direction.
Possible causes include:
Signs of steering-related faults include:
On vehicles with hydraulic power steering, low fluid or a failing pump may cause heavy, noisy or jerky steering. Vehicles with electric power steering may display different symptoms or warning lights and may require electronic diagnosis.
A shaking car should not be assumed to be safe simply because it continues to drive. Some causes are minor, but others can affect braking, steering and vehicle stability.
If it is safe, reduce speed and take note of when the vibration occurs.
Consider whether it happens:
Also notice where the vibration is felt. Shaking through the steering wheel, brake pedal, seat or floor can point to different areas of the vehicle.
If the vibration becomes severe, warning lights appear or there are grinding, knocking or scraping noises, stop driving as soon as it is safe.
Once the vehicle is safely parked, look for obvious problems such as:
Do not crawl beneath the vehicle, touch hot brake components or continue driving if a tyre is badly damaged or a wheel appears loose.
Even if the vibration disappears temporarily, the underlying problem may still be present.
Continuing to drive with damaged tyres, brake faults, worn suspension parts or drivetrain problems can place additional stress on other components and create unsafe driving conditions.
A professional inspection may include checking:
Early diagnosis often leads to simpler repairs, lower costs and a safer vehicle.
A car that shakes while driving is more than an inconvenience. It is often an early warning sign of a problem involving the tyres, wheels, brakes, suspension, steering, engine or drivetrain.
The sooner the cause is identified, the easier it is to prevent further wear, avoid more expensive repairs and maintain safe handling.
Kar Pro Tyre & Auto encourages drivers to arrange an inspection whenever unusual vibration develops. Prompt attention from an experienced technician can help keep the vehicle safe, comfortable and reliable, providing greater confidence every time it is driven.
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