BMW 7_aya the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and methods of operation
3. Settings and routine maintenance of the car
3.1. General information
3.2. General information about settings and adjustments
3.3. Schedule of routine maintenance
3.4. Check of levels of liquids, control of leaks
3.5. Check of a state and replacement of hoses and tubes in a motive compartment, localization of leaks
3.6. Replacement of motive oil and oil filter
3.7. Clearing and replacement of the fuel filter
3.8. Check of the brake system and coupling
3.9. Check of a condition of system of production of the fulfilled gases
3.10. Check of a condition of components of a suspension bracket and steering
3.11. Check of a condition of protective covers of CV JOINTS of power shafts
3.12. Replacement of the AT gearbox oil
3.13. Replacement of brake fluid and pumping of the brake system
3.14. Replacement of spark plugs
3.15. Replacement of the saloon filter (system of ventilation)
3.16. Replacement of the filtering air cleaner element
3.17. Replacement of cooling liquid
3.18. Check of a condition of tires and pressure of their rating
3.19. Check of a condition of the battery and care of it
3.20. Check of a condition of a belt of the drive of auxiliary units
3.21. Check of a condition of brushes of screen wipers and adjustment of nozzles of washers
3.22. Replacement of oil of the main transfer
3.23. Check of thickness of the conducted clutch plate
4. Engine
5. Cooling systems of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Cardan and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Schemes of electric equipment



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3.10. Check of a condition of components of a suspension bracket and steering

Components of the steering drive and suspension bracket should be checked regularly – their wear can serve as the reason of excessive and dangerous wear of tires, deteriorations in running characteristics and controllability of the car, and also increase in fuel consumption. More detailed information on components of a suspension bracket and system of steering is provided in the Head Podvesk and steering.

Check of shock-absorbers

 PERFORMANCE ORDER

  1. Park the car on the flat platform, switch off the engine and cock the parking brake. Check pressure of a rating of tires.
  2. Press a hand one of corners of the car and release a hand. Pay attention to the movement of a body. It has to cease to shake and come back to a starting position after one or two fluctuations.
  3. If the car continues to be shaken or did not come back to a starting position, then the worn-out shock-absorber is the possible reason of it.
  4. Repeat the procedure described above for each of three remained car corners.
  5. The car and reliably establish to Poddomkratta it on props.
  6. Examine shock-absorbers on existence of signs of leak of liquid. The easy film of liquid is not the reason for concern. In case of detection of leak make sure that liquid follows from the shock-absorber, but not, from where still.
  7. Check reliability of installation and integrity of shock-absorbers. Check the top support of racks for existence of damages and signs of wear. In case of detection of those replace racks.
  8. In case of need replacements of shock-absorbers address for instructions the Head Podvesk and steering. Always replace both components on one bridge. If it is possible, try to replace all four components in a set.

Check of other components of a suspension bracket and steering

 PERFORMANCE ORDER

  1. Examine components of system of steering on existence of damages and deformations. Pay attention to the damaged protective covers.
  2. Clear a rotary fist of dirt in the field of a spherical support of a suspension bracket. Ask the assistant to take bottom edge of a wheel and to shake it, and at this time watch the movement of the spherical support connecting a rotary fist to the suspension bracket lever. Examine boots of spherical support of a suspension bracket on existence of gaps. At detection of a side play or the torn boots, the spherical support and its boot should be replaced.
  3. Take each of forward wheels for forward and back edges and try to turn it a first line inside, and back outside to check existence of a side play in the steering drive. If the side play is found, check whether fastenings of the steering mechanism and hinges of tips of steering drafts weakened. Tighten the weakened fastenings. Worn-out hinges can be the cause of the weakened steering drafts (check at first reliability of tightening of nuts). Check a condition of boots of the steering mechanism of spherical hinges of tips. If boots of tips are torn, replace them together with tips. Additional information on system of steering and a suspension bracket can be found in the Head Podvesk and steering.

Check of a side play of steering

 PERFORMANCE ORDER

  1. Establish a steering wheel in provision of the rectilinear movement.
  2. Rotate a steering wheel here and there, watching at the same time forward wheels. The steering wheel can have the maximum side play of 25 mm.
  3. At a bigger side play of a steering wheel check drafts of steering and the steering mechanism.


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3.9. Check of a condition of system of production of the fulfilled gases
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3.11. Check of a condition of protective covers of CV JOINTS of power shafts