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What Causes the Vehicle to Pull to One Side Automatically

1 Answers

WillowRose

07/30/25 9:39am

Automatic pulling to one side may be caused by the following reasons: 1. Incorrect wheel alignment: The misalignment angles include asymmetric left and right rear camber angles of the front wheel kingpins, with a deviation exceeding 0.5°, causing the vehicle to pull towards the side with the smaller rear camber angle. Asymmetric left and right camber angles of the front wheels, with a deviation exceeding 0.5°, causing the vehicle to pull towards the side with the largest positive camber angle. 2. Different tread patterns or uneven tread depths on the two sides: It is best to use the same type of tires throughout, at least the two tires on the front axle and rear axle must be the same, and the tread depths must be the same. If they exceed the limit, they must be replaced. 3. Unequal tire pressure on both sides: Unequal tire pressure will cause the tires to be of different sizes, inevitably leading to pulling towards the side with lower pressure when rolling. 4. Deformation of the front shock absorber springs causing inconsistent cushioning on both sides: The condition of the shock absorber springs can be judged by pressing or comparing after removal. 5. Failure of the front shock absorbers: After failure, the vehicle's suspension is uneven during driving, with one side higher and the other lower, leading to uneven force distribution and pulling. 6. Excessive wear of vehicle chassis components causing abnormal gaps: Components such as steering linkage ball joints, support arm bushings, and stabilizer bar bushings are common parts prone to excessive gaps. The vehicle should be lifted for careful inspection. 7. Poor return or incomplete separation of a wheel's brake: This is equivalent to applying partial braking on one side continuously, causing the vehicle to pull inevitably. 8. Overall deformation of the vehicle frame: Excessive difference in the left and right wheelbase, beyond the maximum allowable range, can be measured with a tape measure. If it exceeds the range, it must be corrected using a correction platform.

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