The car deviated as soon as it crossed the ditch during driving

Clause. First, if there is a feeling of deviation, then first judge whether it is a problem with the road.

If the road surface is sloping, then the car will be tilted to the lower side. The general road, for drainage and other considerations, is basically high in the middle and low on both sides, the car is driving on the right, there will naturally be a tendency to deviate to the right, the greater the inclination of the road surface, the more obvious this tendency, to a certain extent, you need to hold the steering wheel hard.

to keep the bearing.

Clause. Second, if there is no problem with the road, then look for the problem from the car.

The car will have the following situations:

1. The loading items are unbalanced.

2. Tire pressure on both sides.

Inconsistency, the solution is of course to add the standard tire pressure, and also to see if the wear of the two wheels is inconsistent, so that the wheel diameter and gravity are different.

3. The degree of wear of the tread pattern is not the same, and it will deviate; Springs and shock absorbers.

If damaged, focus on the lower side to see if there is any overcompression of the spring due to insufficient elasticity and oil leakage from the shock absorber.

4. Suspension injury, deformation, displacement, etc. will cause deviation.

5. The quality of the steering system will also affect the straight line of the car.

Hello, it's best to do four-wheel alignment to see if the data has changed, or you can adjust the direction to see if the chassis is damaged and deformed.

Focus on checking if one side of the tire is bulging.

Hello, check if the chassis is loose.

After the car falls into the ditch, you can go to the 4S shop to do four-wheel alignment, if the positioning is still deviated, you need to check whether the lower suspension is deformed. The deformed suspension can be restored by correction, and if it cannot be corrected, the suspension components can only be replaced.

Introduction to four-wheel alignment

The four-wheel alignment is based on the four-wheel parameters of the vehicle, and is adjusted to ensure that the vehicle has good driving performance and certain reliability.

The installation between the steering wheel, the steering knuckle and the front axle of the car has a certain relative position, and the installation with a certain relative position is called steering wheel alignment, also known as front wheel alignment.

The front wheel alignment includes four contents: kingpin camber (angle), kingpin camber (angle), front wheel camber (angle) and front wheel toe. This is the relative position of the two steering front wheels and the rear axle for the two rear wheels, which is called rear wheel alignment. The rear wheel position includes wheel camber (angle) and rear-wheel toe-in.

In this way, the front wheel alignment and the rear wheel alignment are collectively called four-wheel alignment.

Since the installation between the four wheels, steering mechanism, and front and rear axles of the vehicle should have a certain relative position, this relative position is the standard value set by the manufacturer. Adjusting the installation to restore this position is the four-wheel alignment.

When to do quad wheel alignment

1. The driving performance of the vehicle has been affected (the most direct feeling of the driver is the deviation, and the direction is not automatically returned).

2. Damage to the chassis and suspension caused by accidents.

3. Abnormal tire wear (but also consider whether it is due to abnormal tire pressure that causes abnormal wear, under normal circumstances, too high tire pressure will aggravate the wear of the tread, and too low tire pressure will aggravate the wear of the land on both sides of the tread.) If there is eccentricity on one side, there is a possibility that the camber angle is misaligned.

The above content reference: Encyclopedia - four-wheel alignment.

You check whether the bracket and ball head are loose, and then see if the front shock absorber is good.