Possible malfunctions on the way of VAZ-2115 cars (Lada Samara 115, sedan), their causes and methods for their elimination.
The engine will not start Problems with starting the engine can be divided into two main groups, depending on the degree of engine heating. At least 6 hours have passed since the engine was stopped at an...
Faults in the starting system Malfunctions in the starting system are manifested in the abnormal operation of the starter. There are five main starter malfunctions. 1. The starter does not turn on. The reason...
Checking the ignition system Warning! Your vehicle has a microprocessor ignition system (IPSZ) high energy. A voltage of about 40,000 V is applied to high-voltage wires, and although it is not...
Checking the power system When checking the power supply system of engines with distributed fuel injection, first of all, check the tightness of all connecting pipelines of the system. Fuel leaks are not...
Fuel Injection System Malfunctions When working with the injection system, be sure to adhere to the following rules. 1. Before removing any components of the injection control system, disconnect the wire from the...
Idling has disappeared Special diagnostic equipment is required to determine the causes of this malfunction, so if a malfunction occurs, contact a service station that specializes in repairing vehicles...
Interruptions in the engine During interruptions, the engine idles unevenly, does not develop sufficient power, and consumes gasoline excessively. Interruptions are usually due to a malfunction of the...
Engine diagnostics by appearance of spark plugs 1. Normal candle Brown or greyish-yellow color and slight electrode wear. Accurate thermal value for engine and operating conditions. Helpful advice. When replacing spark plugs...
The car is jerking In relation to a car, a jerk is a short-term spontaneous change in the engine speed, regardless of the position of the pedal «gas». In daily operation, as a rule, there are a...
Jerk at the moment of the beginning of the movement At the moment of the beginning of the movement, there is more often an extreme case of a jerk - a failure. The most unpleasant sensations are associated precisely with the delay...
Jerks during acceleration The cause of jerks during acceleration can be, as in the previous case (see « Jerk at the moment of the beginning of the movement » in subsection « The car is jerking »),...
Jerks in steady motion Such jerks are most often caused by a malfunction of the ignition system. Diagnosis and repair needed (see section « electrical equipment »). On the way, you can try to do the...
The car accelerates badly There are many reasons for the deterioration of the dynamics, the main ones can be defined as follows. 1. Engine malfunction - a decrease in compression in one or more cylinders,...
Clutch drive adjustment 1. Place the car on a level surface and try to start moving in 1st gear, gently releasing the clutch pedal. Try to determine at what position of the clutch pedal your car starts...
Engine stalled while driving Sooner or later, every driver can find himself in a situation where the car, which a few moments ago obeyed all commands, suddenly stops responding to pressing the pedal «gas»,...
Loss of oil pressure in the engine For reliable operation of the engine, it is necessary that the engine oil level is constantly provided in the engine crankcase and that there is a sufficiently high oil pressure...
Checking the lubrication system 1. Open the hood. Do not rush to immediately check the oil level in the engine - let it drain into the oil sump, it will take 2-3 minutes. During this time, carefully inspect the...
Car engine overheating When the engine is running, a good cooling system maintains optimal temperature conditions. Malfunctions in the cooling system can cause the engine to overheat. If you miss this...
Checking the cooling system 1. Stop the engine. 2. Open the hood and inspect the engine compartment. Determine where the steam is coming from. When inspecting the engine, pay attention to the presence of...
The battery does not charge There are two sources of current in a car - a battery and generator . The battery is used when starting the engine and for supplying the starter and other consumers with an...
Checking the electrical equipment of the car 1. Check if the alternator drive belt is broken. If the belt is intact, check its tension. Press your thumb on the top of the strap and see how much it sags. Normal tension is...
Vehicle electrical faults Most often, during the daily operation of the car, electrical equipment malfunctions occur. For objective reasons, the repair of electrical equipment should preferably be carried...
Extraneous knocks in the engine If it seemed to you that during the operation of the engine there were sounds that were not there before, immediately check whether everything is in order with the engine. Most...
Extraneous knocks in the suspension and transmission If extraneous knocks appear in the suspension of a moving car, it is necessary to immediately establish their source, regardless of whether it is a constant knock or appears only...
Vibration and bumps in the steering wheel The cause of knocks from below can be malfunctions of not only the suspension, but also the steering of the car. Warning! The state of the steering significantly affects not only...
Problems with the brakes Your vehicle's braking system is equipped with vacuum booster and quite efficient. Reduced braking efficiency, skidding of the car during braking should be a signal to urgently...
Bleeding the brake system If the brake pedal has become «soft», and with several successive clicks it becomes «harder», which means that air has entered the hydraulic brake actuator. To remove air from the...
Checking the brake system 1. The reason for the decrease in braking efficiency may be unsatisfactory operation vacuum booster . For its express check, press the brake pedal several times with the engine...
Wheel puncture A tire puncture is a nuisance that every driver faces sooner or later. The air from a punctured wheel can come out quickly or slowly, it depends on the size of the object that...
Wheel replacement 1. Engage 1st gear and parking brake. Place a jack under the vehicle next to the tire to be changed. If the vehicle is on soft ground, place a wide, firm support under the bottom...