5 Signs Your Car Needs a Wheel Alignment

If your car pulls to one side, wears its tires unevenly, or the steering wheel sits crooked when you are driving straight, those are classic signs it needs a wheel alignment. Alignment is a quick, affordable service, but skipping it is expensive, because a misaligned car chews through tires and makes the whole vehicle handle worse. Here are the five signs worth acting on.

What is a wheel alignment, exactly?

Alignment is the adjustment of the angles of your wheels so they sit and roll the way the manufacturer intended. Technicians work with three main angles: camber, the inward or outward tilt of the wheel seen from the front; toe, whether the wheels point slightly in or out; and caster, the angle of the steering axis. When these drift out of spec, usually from ordinary wear or a hard knock, the tires no longer roll straight and true, and you feel it in how the car drives.

1. The car pulls to one side

If you have to hold the wheel slightly off-center to keep going straight on a flat, level road, the car is likely out of alignment. A steady pull to the left or right is one of the clearest signs. It is worth a quick check that your tire pressures are even first, since a low tire can mimic a pull, but if the pressures are fine, alignment is the usual cause.

2. Your tires are wearing unevenly or quickly

Alignment problems show up in your tires before anything else. Look for wear that is heavier on one edge of a tire than the other, or wear that feels feathered or scalloped when you run your hand across the tread. Because good tires are a significant expense, catching this early and correcting the alignment can save you from replacing tires long before their time.

3. The steering wheel is off-center

When you are driving straight but the steering wheel logo sits tilted, the alignment is off. Many drivers get used to a slightly crooked wheel without realizing it. Once you notice it, it is hard to ignore, and it is a reliable sign the toe adjustment needs attention.

4. Loose, vague, or vibrating steering

A car that wanders, feels loose, or makes the steering wheel vibrate at speed may be out of alignment, though these symptoms can also point to worn steering and suspension parts or unbalanced tires. Because the causes overlap, this is the sign most worth having checked properly rather than guessing, since the fix might be an alignment, a balance, or a worn component.

5. You just hit a bad pothole or curb

This one is about cause rather than symptom. A single hard hit on a pothole or curb can knock your alignment out in an instant, and our roads through the freeze and thaw seasons are hard on suspension. If you took a jarring hit and the car has not felt right since, an alignment check is a sensible next step, and a chance to inspect the suspension for damage at the same time.

How often should you get an alignment?

A common guide is to check alignment once a year or whenever you fit new tires, and any time you notice the signs above or hit something hard. Getting an alignment done when you buy new tires is especially smart, since it protects your fresh investment from uneven wear.

Alignment is not the same as tire balancing

These two get confused constantly. Balancing corrects small weight differences in a wheel and tire so they spin smoothly, and it mainly cures vibration at speed. Alignment corrects the angles the wheels sit at, and it mainly cures pulling and uneven wear. A car can need one, the other, or both. A good shop will tell you which you actually need rather than selling you both by default.

What happens during a wheel alignment?

During an alignment, the car goes onto a rack and sensors or cameras are attached to each wheel. The technician measures the current camber, toe, and caster against the manufacturer's specification for your exact vehicle, then adjusts the suspension components that control those angles until each reads within spec. A good shop shows you the before and after numbers, so you can see the car was actually out and is now corrected. The whole job is usually quick, often under an hour, unless a seized or worn part needs freeing or replacing first.

Two-wheel or four-wheel alignment?

Most modern cars with independent rear suspension benefit from a four-wheel alignment, where all four wheels are measured and the adjustable ones are set. Some vehicles only allow front adjustment, in which case the rear is still measured to make sure it is not the source of a problem. Which one your car needs comes down to its suspension design, and a shop will tell you rather than upselling by default.

The bottom line

A wheel alignment is one of the cheapest ways to protect two of your more expensive assets, your tires and your suspension, while making the car safer and nicer to drive. If you notice a pull, uneven tire wear, a crooked steering wheel, or you just met a deep pothole, our steering, suspension, and wheel alignment service in Mississauga can check it and set it right. Call FastLane Mechanics at (905) 624-4646 to book.

Related reading

When to Replace Your Brake Pads: 5 Warning Signs — the other handling and safety check worth making at the same visit.