What to Do When the Steering Wheel Pulls to the Left When Braking?
2 Answers
The solution to the steering wheel pulling to the left when braking is to perform a four-wheel alignment. Four-wheel alignment is based on the four-wheel parameters of the vehicle, adjusting them to ensure good driving performance and a certain level of reliability. Front wheel alignment includes four aspects: caster angle, kingpin inclination angle, camber angle, and toe-in. Rear wheel alignment includes camber angle and toe-in for each rear wheel. Reasons for the steering wheel pulling to the left: severe uneven tire wear, especially when the diameter difference between the inner and outer rear tires is significant, leading to more severe irregular braking deviation; uneven tread depth on both sides of the tires, which can cause the car to tilt to one side—it's best to use tires of the same model.
When I encounter the situation where the steering wheel pulls to the left upon braking, my first thought is to check the tires and braking system, as this kind of deflection often stems from an imbalance between the left and right sides. It could be due to severe wear on the left front tire or uneven tire pressure, causing extra resistance when braking. Another common reason is uneven wear on the brake pads, with one side being thinner, resulting in a significant difference in braking force. I recommend first stopping the car to visually inspect if the tire treads are consistent, then using a tire pressure gauge to measure the pressure in all four tires—if the difference is too large, either inflate them or replace the tires. If the problem persists, it's best to start the car and gently apply the brakes a few times in a safe, open area to see if the deflection consistently pulls to the left. If the pull is severe, don’t hesitate—drive directly to a professional repair shop and have the mechanic thoroughly inspect the brake fluid, calipers, and suspension components. I’ve personally seen similar failures nearly cause accidents on the highway, and regular maintenance can prevent such incidents.