Why is My Steering Wheel Shaking at 120km/h?
Experiencing a shaking steering wheel at 120km/h? Discover the common causes and solutions to ensure a smoother, safer drive on the highway.
Prince Ncube | 12 September 2026 | Diagnostic & Warning Signs, Car Maintenance & Repair Guides, Suspension System

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The Gauteng Pothole Epidemic: 4 Signs You Have Hidden Suspension Damage
With Heritage Day arriving as a mid-week break this September, many Gauteng residents will be staying local—navigating suburban roads to visit family, head to local markets, or stock up for a braai. Unfortunately, that also means dealing with our state's most infamous local landmark: the endless stretch of crater-sized potholes.
Between the recent winter freezes and the heavy rains we've experienced this year, Gauteng's roads have taken a severe beating. While hitting a deep pothole usually results in an immediate puncture or a bent rim, sometimes the impact doesn't show external damage right away. Instead, it quietly fractures or bends vital components beneath your car.
Ignoring hidden suspension damage can ruin your tyres and put your safety at risk. Here are the four signs that a recent pothole has damaged your vehicle's suspension.
If you are driving down a straight stretch of the M1 or a quiet suburban street and you notice your car constantly drifting to the left or right the moment you loosen your grip on the steering wheel, your alignment has been knocked severely out of place.
A heavy impact against a sharp pothole edge can bend your tie rod ends or push your control arms out of alignment. When the geometry of your front wheels is thrown off, they fight against each other, causing the car to pull.
Quick Fixxr Tip: Don't just ignore a pulling steering wheel by holding it tighter. Driving with bad alignment causes your front tyres to drag across the tarmac, completely wearing down the tread on one edge in just a few thousand kilometers. If you're experiencing vibrations alongside the pull, check our guide on why your steering wheel is shaking at 120km/h.
Your vehicle's suspension relies on rubber bushings, ball joints, and metal control arms to absorb the shock of rough roads. These rubber bushes act as cushions, but a violent jolt from a pothole can tear or completely separate the rubber from its metal housing.
If you hear a loud, metallic "clunk," a sharp "creak," or a hollow knocking sound from underneath your car every time you roll over a speed bump or pull into a driveway, a component has failed.
Quick Fixxr Tip: We see this exact issue frequently on high-mileage commuter cars, similar to the wear patterns we detailed in our Suzuki Swift Maintenance Guide. Left unreplaced, a broken control arm bush can cause your wheel to shift dangerously while driving.
Shock absorbers (shocks) are designed to keep your tyres firmly planted on the road by stopping the car from bouncing uncontrollably after hitting a bump. When you hit a severe pothole, the sudden internal pressure can blow out the hydraulic seals inside the shock absorber, causing it to leak fluid.
If your car feels like a loose boat—bouncing up and down multiple times after driving over a single speed bump, or nose-diving sharply when you apply the brakes—your shocks are dead.
Quick Fixxr Tip: Look down at your shock absorbers. If you see a wet, oily residue running down the metal body of the shock, it has leaked its fluid and needs to be replaced immediately to maintain proper braking traction.
Sometimes the suspension damage is so subtle that you can't feel it through the steering wheel or hear it over bumps. In these cases, your tyres will tell the story.
Walk around your car and run your hand across the tread of your front tyres. If the inside or outside edge feels smooth like glass while the rest of the tyre is rough, or if you feel distinct "cups" or high-and-low spots in the rubber, your suspension components are loose and allowing the wheel to bounce irregularly.
Quick Fixxr Tip: Catching uneven tyre wear early saves you from having to buy an expensive new set of tyres prematurely. During your next minor service, ask your mechanic to inspect your suspension bushes and check your tyre wear patterns.
South African roads will test even the toughest vehicles. If you suspect a recent pothole has knocked your car out of alignment or damaged your undercarriage, don't wait for it to cause a secondary failure.
Whether you need a mobile mechanic in Johannesburg to inspect your control arms, or a workshop in Pretoria to handle a suspension overhaul, getting it sorted keeps your daily commute safe.
Get a thorough check before a small knock turns into a major repair. Get an upfront, transparent quote and let vetted auto professionals inspect your suspension at your home, office, or a Trusted workshop.
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