BMW 3 series E30
Since 1983-1994 of release
Repair and car operation
+ 1. The maintenance instruction
+ 2. Maintenance service
+ 3. The engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. An exhaust system
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. A running gear
+ 12. A body
+ 13. An electric equipment
- 14. A good advice
14.2. Changed numbers
14.3. Purchase of the old car or a mysterious set of figures and letters
14.4. Durability of the car
14.5. About parallelism of bridges of the car and the trailer
14.6. Preparation of the car for winter
14.7. A rule 35
14.8. A choice of the second-hand car
14.9. Engine oils
14.10. That it is necessary to know, changing oil
14.11. Occurrence in deposit oil
14.12. Whether it is possible to mix import oils?
14.13. "Eats" much, but silently goes
14.14. It is more likely live, than it is dead …
14.15. It is not got - a good advice
14.16. Visit to car-care centre
14.17. A gear belt for a mechanism drive газораспределения
14.18. Deterioration of pistons
14.20. Bearings of engines
14.21. Engine pollution
14.22. As the conditioner works and what to do, if it has failed
14.23. The conditioner: not only "pluses", but also "minuses"
14.24. Rules of service of the conditioner
14.25. It is not necessary to stir antifreeze with antifreeze …
14.26. That it is necessary to know at purchase of the air filter
14.27. An engine overheat
14.28. That it is necessary to know to the owner of the car with инжекторным the engine
14.29. The accumulator
14.30. Possible malfunctions of the storage battery
14.31. What to do with the failed generator
14.32. The belt is guilty, and we blame the generator
14.33. The catalyst
14.34. Three in one - or how to save the catalyst
14.36. Features of operation of brake system
14.37. Malfunctions of brake system
14.38. Brake liquids
14.39. АБС: a natural choice
14.40. Wheel disks
14.41. We update wheel disks
14.42. The scheme of marks of an automobile tyre
14.43. Metal corrosion
14.44. An automake-up
14.45. What creaks?
14.46. The hatch
14.47. A safety pillow: troubles or pleasures?
14.48. We fit well?
14.49. Anticreeping "immunodeficiency"
14.50. Why headlights grow dull
14.52. About correct adjustment of headlights
14.53. The electric motor
14.54. From change of places "composed" varies nothing?
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If the engine is badly started, poorly pulls and spends fuel much, – the hitch can appear at all in of what first you think. Simple, apparently, the situation from the point of view of original cause definition is the most artful. Many bravely begin independent search, without understanding that these displays can be a consequence of variety of the reasons – from elementary to enough serious. It is good, if at you the car in which simple and out-of-date technical decisions – classical "Zhigulis" are used, "Muscovite" and "Volga", – it is possible to address safely to the mechanics having experience in area of repair of similar cars.
But having replaced the car with more modern, many motorists continue to address to the same masters. And they do not have not enough courage to admit that they do not understand difficult processes in fuel systems and electronic schemes of ignition. They look a spark at breakdown, punching thus transistors, isolation of windings of the reel, high-voltage wires, and "проторивая" current-carrying paths on covers and бегунках the distributor. Without solving a problem, such mechanics exhaust "illness" inside. And as a result the owner all the same goes to professionally prepared engineers. But car "treatment" is already considerably complicated.
Experts quite often get to a situation when after long work even by means of devices it is possible to understand nothing. And only after time it is found out that previous "clever man" has tightened up jets in the carburettor or twisted all successively in an injector, and in the end has broken its tightness or has burnt the pressure gauge.
The list of the possible reasons leading to the raised expense of fuel and to capacity decrease is rather rich. And except them there is a number uncharacteristic, but often meeting malfunctions, such as прогар the piston, fuel hit in oil, failure of one of gauges of temperature of system of injection, thermostat failure, перепутывание vacuum tubes, destruction of one of linings of the carburettor, piston rings or piston partitions.
Diagnostics is necessary for making without dismantling, the chance only for a while otherwise is great to eliminate a consequence or even to add an existing problem new, sometimes with more difficult.
For example, the reasons leading to decrease of capacity of a spark, it is a lot of. If diagnostics is made on multipurpose the motor-testore, on its screen at once it is possible to define, what lack is available. Any in some other way cannot estimate conformity of the form искрообразовательного process of that at which there is a full combustion of fuel on various operating modes.
The situation when, having found out in the engine signs of abnormal work is extended, the motorist goes to the mechanic. That, having measured a compression of the engine and having found out conformity to norm, starts to regulate both the carburettor, and ignition system, achieving steady work. Sometimes it is possible. The engine is regularly got, ceases глохнуть, but thus draught and the fuel expense leave much to be desired. In what an error?
In the worn out engine often appears негерметичность epiploons of valves. Oil proceeding on pistons leads to artificial indemnification of the backlashes which have arisen at deterioration of pistons, rings and cylinders. And at compression gauging false testimonies turn out. Elimination of this malfunction after "the repair" made the mechanic, is considerably complicated because of necessity of restoration of initial adjustments.
The return situation when the owner unfairly "plunge" into major repairs though would be to replace the same epiploons enough is rather extended also that in 10 with superfluous time is cheaper.
Unfortunately, till now in the market of servicing of cars remains about equal division into the stations meeting modern requirements on qualification, technical and cultural service, and on splinters it is sad memorable Soviet car-care centre. Therefore automobile owners should familiarise with a technical centre on which hole they put the car attentively. And it is not so much with cost of services, how many how, than and in what conditions the car will be diagnosed and under repair.