Replacing the timing belt VAZ 2113, 2114 and 2115 with your own hands

Approximately 10% of schoolchildren suffer from some form of dyscalculia. Not all parents know that with timely diagnosis even in preschool age, effective measures can be taken to prevent this pathology and facilitate the child's learning process in the school curriculum.

If a child suffers from manifestations of dyscalculia, he experiences a negative attitude towards the "exact sciences". Chronic academic failure can affect the mastery of the subjects of the humanitarian cycle, as well as cause a low social status of the student. He does not develop relationships with peers, and teachers and parents often put unreasonably powerful pressure on him due to his imaginary laziness and lack of diligence. In the future, such children experience difficulties in choosing a profession and self-realization.

Reasons for the violation

Lead to the development of pathology:

  • Fear of arithmetic - the violation is based on the negative experience of learning to count by coercion, punishment. This unusual phobia is connected with the fact that when solving arithmetic examples, especially problems, the child had difficulties or was often scolded and punished. Over time, he developed fear and self-doubt due to the fear of being punished.
  • Social problems. They most often occur in children who are brought up in conditions of pedagogical neglect, in a dysfunctional family.
  • Damage to the parietal lobe of the cerebral cortex due to pathology of pregnancy and childbirth, brain trauma and neuroinfections, tumors and genetically determined defects.

In adults, this problem often appears due to a malfunction of the brain. Hemorrhages, organic lesions in the temporal region, tumors, blood clots, cysts and craniocerebral trauma can lead to its occurrence. Various psychological trauma can also provoke the onset of dyscalculia. If you have problems with the application of mathematical knowledge, you should contact a neuropsychiatrist.

Dyscalculia in children often occurs due to mental disorders. These include:

  • impaired processing of visual information;
  • decreased concentration of attention;
  • impaired logical thinking;
  • problems with assimilation and memorization of information.

Dyscalculia can be associated with reading and writing disorders such as dysgraphia and dyslexia, as well as ADHD (attention deficit hyperactivity disorder).

Signs and symptoms of dyscalculia

Dyscalculia in children has different manifestations, which depends on the age of the child and other factors. Thus, the symptoms of the disease become more evident with age. However, the first signs may appear as early as preschool age. Common symptoms of the disease include:

Types of dyscalculia teaching material in mathematics

Replacing the VAZ timing belt, and with your own hands

Replacing the timing belt with your own hands on VAZ 2113, 2114, 2115 cars, in the cylinder head of which there are 8 valves installed, is relevant today for many owners of cars of these brands. This operation cannot be called difficult, since repairs can be made easily in the garage or on any level area without the use of special equipment.

Prepare the required spare parts before starting work:

  • Timing timing belt, its article number 21080-1006040-82.
  • Tensioner roller, article 830900AE2 (2108-1006120).
  • Pump in the engine cooling system, article 2108-1307010.

Experts recommend changing simultaneously with the timing belt, tensioner and pump in the cooling system, since problems with this unit most often lead to malfunctions in the valve mechanism. You will need tools and accessories:

  • car jack;
  • car body support;
  • wheel chocks;
  • set of wrenches; <
  • container for draining the coolant;
  • rags.

Reasons for timing belt failure

There are several reasons for this breakdown on the VAZ-2115:

  • normal wear and tear;
  • contamination;
  • oil and foreign objects;
  • pump failure;
  • changing the position of the tension roller;
  • jammed camshaft or crankshaft.

The role of the timing belt installed on the injector of a VAZ-2115 car is to open the engine valves at the right time. It synchronizes the timing pulley with the crankshaft. Therefore, it is important to change it in time when it is worn out so that there are no problems with the engine.

Materials and tools

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