Check of a condition and replacement of hoses of an impellent compartment. BMW the 5th E28/E34 series (from 1981 to 1993 of release)
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Repair of BMW E28 and series E34 from 1981 to 1993
1. Cars of the BMW brand of 5-series
2. Engine
3. Cooling system
4. Power supply system
5. Ignition system
6. Control systems of the engine and decrease in toxicity of the fulfilled gases
7. System of production of the fulfilled gases
8. Coupling
9. Manual box of gear shifting (RKPP) and automatic transmission (AT)
10. Transmission line
11. Steering and suspension bracket
12. Brake system
13. Body
14. Control body sizes
15. Heater and air conditioner
16. System of onboard electric equipment
17. Routine maintenance of the car
17.1. Schedule of routine maintenance
17.2. Introduction
17.3. Current leaving
17.4. General information on control
17.5. Check of levels of liquids
17.6. Check of a condition of tires and pressure in them
17.7. Replacement of impellent oil and oil filter
17.8. Check of level of liquid of system of hydrostrengthening of a wheel
17.9. Check of level of lubricant liquid of automatic transmission
17.10. Rotation of wheels
17.11. Check of a condition and replacement of hoses of an impellent compartment
17.12. Condition check, adjustment of a tension and replacement of driving belts
17.13. Check and adjustment of turns of idling of the engine and level WITH
17.14. Check of a condition of the battery, care of it and charging
17.15. Check and replacement of spark plugs
17.16. Check and replacement of candle VV of wires, covers and distributor begunka
17.17. Check of level of oil in a manual box of gear shifting
17.18. Check of level of lubricant liquid of differential
17.19. Check and adjustment of gaps of valves
17.20. Check and greasing of draft of a drive of a butterfly valve
17.21. Replacement of the air filter
17.22. Check of fuel system
17.23. Check of functioning of system of cooling
17.24. Check of a condition of system of production of the fulfilled gases
17.25. Check of a condition of components of a suspension bracket and steering
17.26. Check of a condition of protective covers of power shafts
17.27. Check of brake system
17.28. Check of a condition and replacement of brushes of screen wipers
17.29. Replacement of transmission liquid and AT filter
17.30. Plums, washing and filling of system of cooling
17.31. Replacement of the fuel filter
17.32. Replacement of transmission oil of manual transmission
17.33. Replacement of lubricant liquid of differential
17.34. Check of functioning of system of catching паров gasoline (EVAP)
17.35. Control of an alarm lamp of the notification about approach of term of planned maintenance (SPTO)
17.36. Replacement of a distributive belt of the engine
18. Size table and adjusting data
19. Schematic electric circuits
20. Governing bodies and operation receptions
21. System of onboard diagnostics - a principle of functioning and codes of malfunctions
 








17-11-proverka-sostoyaniya-i-zamena-shlangov-dvigatelnogo-otseka.html

17.11. Check of a condition and replacement of hoses of an impellent compartment

Two times year or each 10 000 km of run (that will come earlier)

Replacement of hoses of central air of air should be made at car repair shop of dealer office or in a specialized workshop where is available the equipment for safe dumping of pressure in system. Never disconnect hoses of system and do not remove its components, previously without having carried out pressure dumping.

General information

Influence of high temperatures in an impellent compartment leads to gradual failure of the rubber and plastic hoses used in various systems. It is necessary to make regularly check of hoses on existence of cracks, weakening of fastening of collars, hardening of materials and signs of leaks.

Information relating to hoses of system of cooling, is provided in the Section Check of functioning of system of cooling, and to hoses of brake system - in the Section Check of brake system.

The majority of hoses (but not all) fasten by means of collars. Where collars are used, check reliability of their fastening providing absence of leaks. If collars are not used, make sure that the hose in a junction with the union was not inflated and/or did not harden, allowing leaks.

Vacuum hoses

Usually vacuum hoses which are especially applied in systems of decrease in toxicity of fulfilled gases, have color marking or inserts from color strips.

Various systems demand use of hoses with various thickness of walls, thermal stability and various resistance to a skhlopyvaniye. At replacement of hoses watch that the material of a new hose corresponded to a material of the old.

Often only authentic way of check of a condition of a hose is its complete removal from the car. At removal more than one hose take care of accurate marking of hoses and unions to provide the correct assembly.

At check of vacuum hoses do not forget to check T-shaped connections also. Examine them on existence of cracks which can cause leaks.

For identification of leakages of vacuum it is possible to use a small piece of a vacuum hose as a stethoscope. Press one end of a hose to an ear and hear another to all vacuum hoses and connections on existence of the characteristic hissing testifying to leakage of vacuum.

Using a similar stethoscope, be careful, do not allow contact to moving components in an impellent compartment, such as a driving belt, the cooling fan, etc.).

Fuel hoses

At survey or service of components of fuel system it is necessary to observe certain precautionary measures. All works make in well aired room, do not allow approach of open fire (for example, the lit cigarets) or unprotected by the lamp shade of bulbs to a venue of works. The spilled fuel immediately collect rags which put then in a place where its spontaneous ignition is impossible. At fuel hit on skin immediately wash away it a plentiful quantity of water with soap. At work with fuel system it is necessary to use goggles and always to have near at hand the fire extinguisher.

Fuel hoses usually are under pressure therefore at their detachment be ready to that fuel will be sprayed and it is necessary for collecting.

On the cars equipped with system of injection of fuel before serving fuel hoses, it is necessary to dump pressure in system. For instructions address to Head the Power supply system.

Check all rubber fuel hoses on existence of signs of wear and attritions. Pay special attention to sites of a bend and in front of unions, for example a hose junction with the fuel pump or the filter, cracks there can be formed.

Use only high-quality fuel hoses. Never, under no circumstances do not use as fuel not reinforced vacuum hoses, transparent plastic tubes or water hoses.

For fastening of fuel hoses collars of tape type are usually used. These collars weaken over time a tension and can "jump out" at removal. At replacement of hoses replace such collars with collars of screw type.

Metal lines

Between the fuel pump and system of injection of fuel sections of metal tubes are often inserted. Carefully check these tubes on existence of dents, twisting or cracks.

If it is necessary to replace section of the metal line, use only seamless steel tubes, since copper and aluminum tubes are insufficiently strong to resist to the vibrations caused by operation of the engine.

Check metal brake lines in places of their connection with the main cylinder and with the block of equalizing of pressure or ABS (if it is available) on existence of cracks or the weakened shtutserny connections. Any signs of leakage of brake liquid demand immediate careful survey of all brake system.

Hoses of system of hydrostrengthening of a wheel

Check hoses of system of hydrostrengthening of a wheel on existence of signs of leakage of the liquid, the weakened shtutserny connections and worn-out collars. It is necessary to replace proceeding hoses and worn-out collars.


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17.10. Rotation of wheels
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17.12. Condition check, adjustment of a tension and replacement of driving belts