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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Many drivers face necessity of expensive repair though it could be avoided, in due time having paid attention to first signs of approaching breakage. The most typical example of similar refusal is breakage of the gear belt which timely replacement hardly probable costs more expensively $100, and here elimination of consequences of its breakage – $800–3000.
Some owners who in time have guessed "agonal rattles" car, aspire to sell it as soon as possible. The people who have forgotten Pushkin "become their victims, as a rule, you would not chase, the priest, cheapness". As a result of such buyer if will not have an accident during the nearest time after purchase serious expensive repair will be compelled to pay.
To skilled drivers the resulted information will seem to the trivial. However to the great bulk of the motorists which have not passed "autouniversities", driving to "a characteristic crash" is peculiar.
How to avoid the pitiable ending? Today we will stop on possibility of an engine failure and we will talk about one of signs of such situation – an overheat. And it is not casual. Ahead hot summer. And, as practice testifies, in most cases an original cause of failure of the engine at this time year is its overheat. Insidiousness of an overheat that, as a rule, results affect far not at once, but affect always. And if not to accept urgent measures, overheat consequences will inevitably lead to serious refusals, and even at all to an engine exit out of operation. All this way accurately shares on four stages.
The first stage – occurrence of the reasons of an overheat. As a rule, it:
– подтекание a cooling liquid with the subsequent decrease in level below the top branch pipe of a radiator and, as consequence, the termination of circulation of a liquid in a radiator and formation of an air stopper;
The second stage – directly overheat. Most often it is shown at expectation in traffic jams and engine work on single turns. There is it so: the driver sees that the arrow of the index of temperature starts to move towards a red zone, but believes that while this arrow is not has reached it – anything terrible is not present. It is the first and main error.
The monitoring system of temperature of the engine rather инерционна. The gauge of measurement of temperature is in a water shirt of the massive block of the cylinders having the big capacity. So, temperature in the block of cylinders at occurrence of a leak of a cooling liquid and displacement of its level it will be essential below temperature in a block head. Formation of an air stopper in a radiator and liquid boiling up lead to that the block head practically remains without cooling. That it means, it is clear to everyone. But the driver at the best, a few being nervous, it is mown on an arrow and continues to heat the engine. And further, depending on overheat degree, there come accordingly the third and fourth stages.
During the third stage the engine continues to be heated. And it is good, if business comes to an end with failure of epiploons of valves. And that after all linings of a head of the block can "be covered", and the situation will smoothly pass in the fourth, finishing stage.
It is necessary to allocate it especially. After all if consequences of the previous stages of an overheat can be corrected in one way or another within the limits of average repair the fourth stage assumes irreversible destructions:
– An overheat and breakage of rings with задиром cylinders;
The statistics allows to allocate marks of cars, the most vulnerable to an overheat and more often others "reaching" the fourth stage. Cars Saab "are in the lead" here, and with the big separation. Their forced engines with the minimum backlashes do not forgive Russian "perhaps". Our admirers of this model consider shameful to appear on a tow and more likely will ruin the engine, than will ask to drag their car from a stopper to car-care centre. And as soon as the stop reason – "stopper" – will resolve also owner Saab will press on a gas pedal that with proslipping to break away from other cars, the rests of the antifreeze cooled in a radiator will rush in the heated head and the block, which from similar rudeness will not find anything the best how to burst.
Engines of cars of other marks though "are not so gentle", but also do not forgive the inattentive relation to them. Therefore, to keep the personal estate and purse contents, it is necessary to remember unequivocally: the overheat never happens casual and never remains without consequences. And if you have found out the tendency to an overheat of the engine of your car, immediately stop operation before finding-out of the reasons.