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List of contents of this article:

• 1, What is the reason why the engine crankshaft is dead?
• 2、DigiPlus fair value' title='What's wrong with the crankshaft of the new energy vehicle's fuel injector is broken?'> What's wrong with the broken fuel injector of the new energy vehicle and the crankshaft?
• 3、 Does the engine crankshaft cause great damage to the engine?
• 4, What is the reason why the engine crankshaft is dead?

What is the reason why the engine crankshaft is dead?

The reason why the engine crankshaft is dead: the crankshaft rotates at high speed under the support of the shaft tile. Therefore, good lubrication is required.

The reason for the engine crankshaft is dead: the engine overhaul is divided into two types: the overhaul of the cylinder head (cylinder head, the same below) and the overhaul of the whole machine; the overhaul of the cylinder head is mainly to restore the airtightness of the valve, clear the carbon accumulation of the cylinder head, and replace the valve oil seal, cylinder pad and other seals.

The load is too heavy. Because the gap of the sliding bearing or the selection of the rolling bearing is related to the shaft load, when the load seriously exceeds the design (or the design is insufficient), the bearing temperature is too high, causing the gap to be further reduced and the bearing temperature to rise further. The consequence of the vicious circle is to die.

The reason for holding death: poor lubrication conditions of the engine: engine holding tiles, in many cases are caused by poor lubrication of the oil. Now the working conditions of the truck's engine are relatively poor; it is easy to have large engine heat load, high temperature and other conditions.

What's wrong with the broken fuel injection nozzle of the new energy vehicle?

1. The oil is not clean, and there are impurities in the high-pressure oil pipe, so that the needle valve coupling is not tightly closed, and the high-pressure gas in the combustion chamber reverses, burning the needle cutting coupling.

2. The main reason why the fuel injector is stuck: the injection pressure is too low, causing the high-pressure gas in the combustion chamber to reverse; when the fuel injector is installed, the leakage gasket or gasket is destroyed, resulting in gas leakage, causing the local temperature of the fuel injector to be too high and stuck.

3. The main reason why the fuel injector is stuck: 1 The diesel fuel is not clean, and there are impurities in the high-pressure oil pipe, which causes the wear of the needle valve coupling of the sprayer, so that the needle valve coupling is not tightly closed, and the high-pressure gas in the combustion chamber reverses, burning the needle valve coupling.

4. The reason why the fuel injector of the Volkswagen engine is broken and the crankshaft is dead: the crankshaft rotates at high speed under the zero of the shaft tile. Therefore, good lubrication is required.

Does the engine crankshaft cause great damage to the engine?

1. The camshaft is dead, and the timing belt slips. If it is a chain, it will break. The piston will hit the valve, the valve will be bent, the piston will be bent out of the pit, and the serious crankshaft will be bent. In short, at least half of the parts of the engine need to be replaced.

2. If the crankshaft of the car engine is dead, the car will turn off and it will be ruined. Reason for death: poor lubrication conditions of the engine: engine tile, in many cases, it is caused by poor lubrication of the oil. Now the working conditions of the engine of the truck are relatively poor; it is easy to have large heat load and high temperature of the engine.

3. LaunchThe machine holds down and needs to be overhauled. The reasons that affect the engine holddown are high temperature and poor lubrication. The engine holddown is affected by the melting of the crankshaft shaft. The melting of the crankshaft tile is affected by high temperature and poor lubrication. Poor lubrication is caused by the failure to replace the engine oil for a long time or the problem of the lubrication system.

4. The reasons that affect the engine's holding are high temperature and poor lubrication. The engine's dead is caused by the melting of the crankshaft. The melting of crankshaft tiles is affected by high temperature and poor lubrication. Poor lubrication is caused by the long-term failure to replace the engine oil or the problem with the lubrication system.

What is the reason why the engine crankshaft is dead?

1. The reason for the engine crankshaft is dead: the crankshaft rotates at high speed under the support of the shaft tile.Therefore, good lubrication is required.

2. The reason for the engine crankshaft is dead: the engine overhaul is divided into two types: the overhaul of the cylinder head (cylinder head, the same below) and the overhaul of the whole machine; the overhaul of the cylinder head is mainly to restore the airtightness of the valve, clear the carbon accumulation of the cylinder head, and replace the valve oil seal, cylinder gasket and other seals.

3. The oil line is not open, there is a large amount of aluminum shavings, iron shavings, oil inlet water emulsification or crankshaft thruster is installed wrongly. There is a groove that should have been installed outside, but last time I found that the crankshaft thruster groove was facing inward, and the cylinder was caught.

4. Reason for death: poor lubrication conditions of the engine: engine tile, many cases are caused by poor lubrication of the oil. Now the working conditions of the engine of the truck are relatively poor; it is easy to have large engine heat load, high temperature and other situations.