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Symptom

Vehicle pulls to one side

The car wanders toward one side and has to be held straight, or it swerves when you brake. Whether it happens while braking is the question that splits the diagnosis: a pull only under braking points at one corner's brake not releasing or not applying, while a constant pull points at alignment, tyre pressures or a tyre itself. There is also an electronic possibility that did not exist on older cars — stability and anti-lock systems can apply one brake on their own, so a wheel speed signal the car does not trust can produce a pull that no amount of alignment will fix.

Also described as: car pulls to one side, pulls left, pulls right, wanders on the road, pulls when braking, car drifts to one side, ماشین به یک طرف میکشد, خودرو کج میرود, tira hacia un lado, tira a la derecha, tira a la izquierda, se va hacia un lado, السيارة تسحب لجهة, تميل لليمين, تشد لليسار, سيارتي تسحب لجهة

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What this usually means

Separate a pull under braking from a pull while driving, because they are different systems. A car that tracks straight and pulls only when the brakes are applied is a brake fault; one that pulls while cruising is tyres, geometry or a dragging brake.

Tyres come first because they are free to test and account for more of this than anything else. A tyre can pull through construction rather than wear — the belt's angle produces a lateral force that has nothing to do with pressure or alignment. The test is to swap the front tyres side to side: if the pull swaps with them, it is the tyre. That takes minutes and settles the question outright.

Then pressures. A front tyre significantly softer than its opposite pulls toward the soft side, and it is the check nobody makes before booking an alignment.

Then geometry. Uneven camber or caster pulls consistently, and it is measured rather than guessed — but measure the rear as well, because a rear thrust angle that is off makes the car track with the front turned slightly.

A dragging brake pulls and heats. Feel each wheel after a drive: a hot corner names itself, and the cause is a seized caliper, seized slide pins, or a collapsed flexible hose trapping pressure.

A pull under braking alone is hydraulic or friction: one caliper not applying, a contaminated pad, or a hose restricting flow to one side. A pull that reverses direction under braking is particularly diagnostic — the car is being pulled one way by geometry and the other by an uneven brake.

A strong pull that appeared suddenly deserves inspection before further driving, because a seized brake or a failed suspension component can produce it.

Working through it

  • Pull swaps sides when the front tyres are swapped

    Likely cause
    The tyre itself — a lateral force from its construction rather than from pressure or wear
    How to confirm it
    Swap the front tyres left to right and drive the same road. If the pull follows, the tyre is the cause.
    What fixes it
    Renew or reposition the tyre. No alignment will correct a tyre that pulls.

  • One front tyre noticeably softer

    Likely cause
    Under-inflation pulling toward the soft side
    How to confirm it
    Gauge all four cold against the placard figure before anything else.
    What fixes it
    Inflate to specification and re-test. The cheapest check on this page.

  • One wheel much hotter after a drive

    Likely cause
    A dragging brake — a seized caliper, slide pins, or a collapsed hose trapping pressure
    How to confirm it
    Feel each wheel carefully after a run. A hot corner is conclusive enough to act on.
    What fixes it
    Free or renew the caliper and slides, or renew the hose. Renew hoses in axle pairs.

  • Pulls only when braking

    Likely cause
    One caliper not applying, a contaminated pad, or a hose restricting flow to that side
    How to confirm it
    Inspect both front calipers and pads. Uneven pad wear across an axle names the side.
    What fixes it
    Repair the caliper or hose and renew pads in axle sets.

  • Consistent pull with even tyres and no hot wheels

    Likely cause
    Geometry — camber or caster uneven, or a rear thrust angle that is off
    How to confirm it
    Measure all four wheels rather than the front alone. Measuring the front only is why this gets misdiagnosed.
    What fixes it
    Correct the rear first, then the front, then calibrate the steering angle sensor.

  • Appeared suddenly with a knock or a change in ride

    Likely cause
    A failed suspension component — a broken spring, a collapsed bush, or impact damage
    How to confirm it
    Inspect before further driving. A sudden change in handling is not an alignment drift.
    What fixes it
    Renew the failed component and align afterwards.

Codes that produce this symptom (5)

Listed with the codes that most typically present this way first — the likeliest place to start.

Information, not instruction

CarGeek is a reference, not a service manual. Its pages are written from public sources and from what other people have found, never from a manufacturer's own service information, so they can be wrong or incomplete for your particular vehicle. Some of what they describe carries real risk: high voltage, fuel under pressure, stored energy, hot and moving parts.

Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.

Others with this symptom

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