Four-wheel alignment adjustment method:
1. Guide the car into position and open the baffle of the hoist.
2. Lift the car. Pay attention to the direction of the rubber cushion, and put the rubber cushion of Demei's car casually. Japanese cars should pay attention to avoid scratching the chassis.
3. Check the chassis accessories. When checking, release the handbrake first. If there is a gap between the upper and lower rollers, it is generally that the bearing is loose or broken; If there is a gap between the left and right rocker wheels, it may be that the lower arm is loose, the rubber sleeve of the shock absorber is loose, the rubber sleeve of the balance bar is sent, the hanging rubber sleeve is loose, or the ball head of the tie rod is broken.
4. Measure the air pressure of four wheels and put the car down. Only when the tire pressure is consistent can the measurement be accurate.
5. Front and rear recovery carts. The front and rear recovery carts eliminate the descending resistance; Unplug the corner dial pin. Push the car back and forth to eliminate the falling resistance.
6. Install the brake retainer. Install brake fixer, clamp, center, plane and fix; Install the sensor and adjust the level.
7. install 3D splint. Install 3D splint, and pay attention to the vertical and front and rear reflector positions.
8. Find vehicle model data. It is not allowed to replace vehicle model data, especially 4WS (four-wheel four-wheel drive steering vehicle), and accurate data must be used.
9, preliminary measurement, explain the diagnosis results with customers.
1. Install the steering wheel holder. The steering wheel with hydraulic power, when installing the fixer, first adjust the neutral position, and then start the car, anyway, it is difficult to impress the steering wheel.
11. Four-wheel alignment adjustment. Adjustment sequence: rear wheel: camber-rear wheel toe-in; Front wheel: caster-camber-total toe-in.
12, inspection and measurement, data comparison.
13. land the elevator and pay attention to the surroundings.
14. Test run, driving experience of the owner.
Fenghuang. com-"four-wheel positioning" is actually a pit? The 15-year-old master said this
What the hell is Phoenix Net-four-wheel positioning! Is it okay not to do it?