Opel Astra A

1991-1998 of release

Repair and operation of the car



Opel Astra A
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Ventilation and heating
+ 5. Power supply system
+ 6. System of decrease in toxicity
+ 7. Coupling
+ 8. Transmissions
+ 9. Half shafts
+ 10. Brake system
- 11. Suspension bracket and steering
   11.1. Technical characteristics
   11.2. Rack of a forward suspension bracket
   11.3. Hug bearing of a forward wheel
   11.4. Lower lever of a forward suspension bracket
   11.5. Plugs of the lever of a forward suspension bracket
   11.6. Spherical hinge of the lower lever of a forward suspension bracket
   11.7. Stabilizer of cross stability
   11.8. Plugs of forward fastenings of the stabilizer of cross stability
   11.9. Cross-piece of a forward suspension bracket
   11:10. Nave of a back wheel
   11:11. Shock-absorber of a back suspension bracket
   11:12. Plugs of fastenings of the shock-absorber of a back suspension bracket
   11:13. Spring of a back suspension bracket
   11:14. Stabilizer(s) of cross stability of a back suspension bracket
   11:15. Back axis and levers of a suspension bracket
   11:16. Plugs of levers of a back suspension bracket
   11:17. System of adjustment of height of a back suspension bracket
   11:18. Elements of system of adjustment of height of a back suspension bracket
   11:19. Steering wheel
   11:20. Lock of a steering column
   11:21. Steering column
   11:22. Flexible rubber connection of a shaft of a steering column
   11:23. Rubber covers of the steering mechanism
   11:24. Steering mechanism
   11:25. Pump of system of hydrostrengthening of steering
   11:26. Tank of hydraulic liquid
   11:27. Hydraulic tubes of system of hydrostrengthening of steering
   11:28. Tip / spherical hinge of steering draft
   11:29. Steering drafts
   11:30. Adjustment of angles of installation of wheels
   11:31. Wheels and tires
+ 12. Body
+ 13. Electric equipment
+ 14. Electrical circuitries




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11:30. Adjustment of angles of installation of wheels

GENERAL INFORMATION

Adjustment of wheels

And – a corner of a longitudinal inclination шкворня;

In – disorder of wheels

 

With – a corner of a cross inclination шкворня;

D – convergence of wheels


Adjustment of wheels is an adjustment of angles of installation of wheels in relation to a suspension bracket and the road. If wheels are not adjusted, it not only affects driving, but also increases the speed of wear of tires. For forward wheels the convergence, disorder and a corner of a longitudinal inclination шкворня is usually regulated. Adjustment of convergence/disorder of wheels is very exact operation. High-quality adjustment of wheels requires use of difficult and expensive equipment. So, it is recommended to address experts for adjustment of convergence/disorder of wheels. The general description of angles of installation of wheels is given below to give to you a general idea about them, and you could understand this question when address to auto repair shop better.

The convergence of wheels is a corner on which wheels are turned inside. The purpose of adjustment of a convergence of wheels is that wheels went in parallel. On the car at which the corner of a convergence of wheels is equal to zero the distance between forward edges of wheels will be same as distance between the rear edges of wheels. Really the size of a convergence of wheels usually makes several millimeters. On forward wheels, the corner of a convergence of wheels is regulated the provision of a tip of steering drafts. On back wheels, it is controlled by length of back cross drafts (N2). The wrong adjustment of a convergence of wheels will cause the wrong wear of tires, forcing them to rub about the surface of the road.

Disorder of wheels is a deviation of wheels from a vertical if to look in front of or behind the car. If the wheel is rejected outside in the top part, disorder positive (+). If the wheel is rejected in the top part inside, then disorder negative. The size of a deviation is measured in degrees from a vertical and this value is called a corner of disorder of wheels. Depends on the size of this corner what quantity of paths of a protector will be in contact about expensive, also, this corner is necessary for compensation of changes in suspension bracket geometry at turns and at movement along the uneven road. Its adjustment is carried out with use of the special tools intended for adjustment of disorder of wheels.

The corner of a longitudinal inclination шкворня is a deviation of an axis rotary шкворня from a vertical. The deviation is called a positive inclination шкворня back, and a deviation forward – negative.