Many people, buying a car with a diesel engine, looking only for inexpensive fuel and its low expense, forgetting about the high cost of repairs and maintenance. Malfunction of diesel engines are divided into groups related to the causes of their appearance: 1. Design flaws. 2. Improper use or unqualified service. 3. Poor quality of diesel fuel. 4. Normal wear and engine parts. 5. Faulty repair of diesel engines. 6. Not original spare parts used in the replacement and repair. In general, diesel engines are very reliable, and failure caused by structural defects arise in the harsh conditions of their operation and in excess of the resource runs. The main reason for all the ills of improper operation and maintenance is non-operational regulations. Make it necessary to repair the diesel engine can even incorrect oil change intervals. It is recommended to perform regardless of the period specified in the instructions, after a maximum of 7500 miles. This is due to the fact that diesel fuel produced in Russia increased sulfur content, resulting in oxidation. Also, the quality of oil should meet the requirements specified in the instructions. Flushing systems in the oil change is required. Should be closely monitored and for the fuel system should be cleaned periodically fuel filters, draining accumulated sediment and sludge. The fuel tank should be washed twice a year, removing him. Exploiting the diesel engine, we must not forget that he does not like excessive speed. Long trips at high speed will result in the need to overhaul. According to statistics, about half of the faults that cause damage, depending on fuel quality. Engine wear after a long run is not the last in the list of causes of motor output of the system. The main problem is usually associated with a reduction in the compression caused by worn piston, high oil consumption and increased gas pressure. Diesel injector wear, fuel consumption increases, and appears on the exhaust black smoke. Prolonged operation of diesel engine with a faulty spray nozzles makes repairs difficult and often leads to burnout cameras, and then the entire piston. In general, repair of diesel engines require high-quality spare parts, knowledge of the design and execution of all maintenance and operating instructions.
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