A car that pulls to one side needs constant steering correction, and that wears you out on a long drive and wears tyres unevenly over time. The cause is not always alignment. Tyre pressure, a sticking brake, worn suspension, and road camber can all create a pull. Checking the simple causes first keeps you from paying for an alignment that never addresses the real fault.
Check tyre pressures before anything else
Low pressure on one side makes that tyre drag, and the car follows the drag. This is the most common and cheapest cause of a pull. Action: check all four pressures against the sticker on the driver’s door jamb or the owner’s manual, not against the number on the tyre sidewall. Inflate to the correct pressure and test-drive before spending on anything else.
Rule out road camber on your test route
Most roads slope slightly for drainage, and that slope can make a car drift gently to one side. A pull that only appears on certain roads is often camber, not a fault. Action: test on a flat, straight, quiet road or car park. If the car tracks straight there but drifts on crowned roads, the car is likely fine and the road is the cause.
Look for a sticking brake on one side
A brake that does not fully release drags on one wheel and pulls the car toward that side. The pull often appears or worsens right after braking. Action: after a normal drive, carefully compare the warmth at each wheel without touching hot parts. If one wheel is clearly hotter, have that brake inspected, because a sticking caliper or handbrake cable is a likely cause.
Inspect tyres for uneven wear and damage
Tyres worn more on one shoulder, or a tyre with internal damage, can pull the car even at correct pressures. A tyre that has hit a pothole hard can develop a fault you cannot see from outside. Action: look at the tread across the full width of each front tyre and feel for bulges on the sidewalls. If one tyre looks very different from the other, try swapping the front tyres side to side as a test. If the pull changes direction, the tyre is the cause.
Check wheel alignment when tyres are ruled out
Alignment that is out of spec, often after hitting a pothole or kerb, makes the car pull or the steering wheel sit off-centre. Action: if pressures, tyres, and brakes all check out, book a four-wheel alignment. Ask for a printout of the before and after readings, and have worn suspension parts replaced first, since alignment cannot hold on worn components.
Look for worn suspension on one side
Worn shock absorbers, bushes, or ball joints let one wheel sit at the wrong angle, and that creates a pull that alignment alone cannot fix for long. Action: listen for clunks over bumps, and look for uneven tyre wear or a car that sits slightly lower on one corner. If you find these signs, have the suspension inspected before paying for another alignment.
Check the steering for play and stiffness
A sticking steering joint or a failing power steering component can make the car favour one side. This is less common but worth a check when the usual causes are ruled out. Action: with the car parked, turn the steering from lock to lock and feel for stiffness, notches, or play. If the steering feels different turning left and right, have the steering system inspected.
Do not ignore a pull that appears suddenly
A pull that starts suddenly after a pothole, kerb strike, or tyre change points to damage or a fitting error rather than gradual wear. Action: think back to what changed just before the pull began. If it followed an impact, have the wheel, tyre, and alignment checked promptly. If it followed a tyre change, check pressures and that the correct sizes are fitted on each axle.
Know when the car is unsafe to drive far
A mild pull on a flat road is an annoyance, but a strong pull, especially with vibration or a hot wheel, can signal a fault that makes the car unpredictable. Action: if the pull is strong, the steering shakes, or one wheel runs hot, keep speeds low, avoid motorways, and have the car checked promptly. Describe when the pull appears and what you have already ruled out.
Lesson from everyday garage work
A common pattern in everyday garage work is that a pull gets an alignment before anyone checks tyre pressures, and the pull remains because one tyre was simply low. The lesson is to check pressures first, every time. Action: check and correct all four pressures, then test on a flat road. Only book alignment once the simple causes are ruled out, and ask for the readings printout.
For related steering and tyre checks, read why the steering wheel shakes when braking, learn what uneven tyre wear is telling you, and see how to check tyre pressure correctly before you book an alignment.