* Uneven tire pressure: This is a very common cause. If one tire has significantly lower pressure than the others, it will have less contact with the road and cause the car to pull towards the side with the lower pressure.
* Tire wear: Uneven tire wear, such as feathering (where the edges of the tread are worn away more than the center), can also cause pulling. This often indicates a suspension or alignment problem *that wasn't fully corrected*, even if a recent alignment report says it's good.
* Faulty suspension components: Worn-out ball joints, tie rod ends, control arm bushings, or shocks/struts can all cause pulling. These components affect how the wheels react to the road surface and can lead to pulling even with proper alignment.
* Brake issues: A sticking caliper or a seized brake rotor on one side will dramatically pull the car in that direction. This often presents as a pulling sensation that increases with braking.
* Differentials: Problems in the differential can cause the car to pull in one direction. This is less common.
What to do:
If your alignment is recently checked and deemed "good," start by:
1. Checking tire pressure: Make sure all tires are inflated to the manufacturer's recommended pressure (found in your owner's manual or on a sticker usually located on the driver's side doorjamb).
2. Inspecting your tires: Look for uneven wear patterns. If you see feathering or significant wear on one side of a tire, it may indicate a suspension issue.
3. Have a mechanic check the suspension: If tire pressure and wear are normal, a mechanic should inspect your suspension components for any signs of wear or damage. This will involve a thorough visual inspection and potentially more involved diagnostics.
4. Check the brakes: Have a mechanic inspect your brake system for any sticking calipers or other issues.
It's crucial to diagnose the cause of the pulling correctly to ensure your safety and prevent further damage to your vehicle. Don't just assume that because the alignment is "good," there's nothing wrong. Several other factors can cause a car to pull.
