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• 2024-12-24 02:33:02 Trade data for government agenciesTrade data for government agenciesStep 1: Visit official website First, Trade data for government agenciesopen your browser and enter the official website address (spinspalaceapp.com) of . Trade data for government agenciesYou can search through a search engine or enter the URL directly to access it.Step *List of the catalog of this article:1, How does the car engine work? 2、 Engine idling video, what's
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• How to deal with two camshafts of Chang'an Star 16v engine with relevant pictures and videos
• 4. 2013 Audi q3 engine normal sound video cannot be played

How does the car engine work?

1. [Pacific Automobile Network] The engine is a machine that converts chemical energy into mechanical energy. Its transformation process is actually the process of working cycle. Simply put, it generates kinetic energy by burning the fuel in the cylinder and drives the piston in the engine cylinder.

2. Their working principle is as follows: The working principle of gasoline engine:The four-stroke gasoline engine first mixes air and gasoline in a certain proportion into a good mixture, and then sucks the mixture into the cylinder during the intake stroke. The mixture is compressed and ignited to produce heat energy.

3. The reason why the engine continuously provides power is due to the orderly cycle of the four strokes of air intake, compression, work and exhaust in the cylinder. Intake stroke: When the piston moves from the upper stop point to the lower stop point in the cylinder, the intake valve opens, the exhaust valve closes, and the mixture of fresh air and gasoline is sucked into the cylinder.

4. The working principle of engine 1. Intapt stroke When the intake valve opens and the exhaust valve closes, the piston moves from the upper stop to the lower stop. The volume of the cylinder above the piston increases, resulting in a vacuum degree, and the pressure in the cylinder drops below the intake pressure.

There are several reasons for the engine's noise: cold start abnormal noise Many car owners will hear it when the cold start The strange sound of "da-da" came from the engine compartment. In fact, this abnormal sound of "da-da" was caused by the oil pump's failure to fully establish the oil pressure when the cold start, resulting in the lubrication of various parts.

When a car's idling sound is made, it is usually caused by the hydraulic rod, the excessive concentration of mixed gas, and the failure of the car's foot glue. Hydraulic support: The hydraulic support will make a strange sound when the car is idling, and the main reason for the hydraulic support is that the oil pressure of the car is too low.

There is a strange sound when the car is idling 1 What's wrong with the sound of the engine idling? The abnormal sound of the engine idling may be due to the hydraulic rod. The most fundamental reason for the abnormal sound of the upright rod is the low oil pressure, the aging or looseness of the foot glue, and too much mixing will cause abnormal idling noise. In addition, when the car starts to get cold, it will also rattle at idle speed.

It makes a clicking sound when idling. What's the problem? In any case, there are many faults caused by excessive valve clearance, the sound of knocking on the cylinder, the sound from the metal gap, the sound from the transmission, the supercharger with wheels, etc., resulting in the leakage of the engine blades.

Abnormal rattling machine foot glue aging or looseness Machine foot glue is a rubber block cushioned between the engine and the frame. Its function is to reduce the vibration and buffering of the engine during work, and to fix the engine.

When some vintage cars are idling, if the environment is relatively quiet, it is not difficult to hear the continuous "da-da-da" sound of the engine. Some cars make a lot of noise. If you ask some so-called "old drivers", they may tell you that the engine is seriously worn out and you have to go to the factory for overhaul.

How to check the two camshafts of Chang'an Star 16v engine with relevant pictures and videos

Use the card to jam the timing wheel of the Chang'an Star 16v engine, which is convenient for proofreading the chain on the camshaft. Find the blue chain on the camshaft of Chang'an Star 16v engine. Point the blue chain teeth of the Chang'an Star 16v engine at the small dots on the camshaft.

Turn the camshaft, large pump and crankshaft to turn their respective marks towards the middle teeth, and assemble the abc or 123 on the middle teeth with the camshaft, large pump, and abc or 123 on the crankshaft respectively. After the middle wheel is in place, the three marks need to be checked. They must be completely in the middle to be correct. I hope I can help you.

This carThe crankshaft tooth mark of the engine is a point. There are two points on the camshaft. It is possible to connect the three points into a line. The crankshaft must be at the upper stop point, or look at the timing shell mark. The arrow is on the point, and it is possible to connect it into a line.

First, use the camshaft card to jam the camshaft to prevent the camshaft from jamming the timing chain during the timing chain proofreading process. Then use a wrench to loosen the screw on the camshaft to facilitate the later timing proofreading. Then open the top of the shaft on the back of the camshaft, otherwise it cannot be proofread.

2013 Audi q3 engine normal sound and video cannot be played

1. A video decoder needs to be installed to play. Remove the car and unplug the speed sensing line: speed transmissionThe inductive wire can transmit the speed information to the vehicle. The vehicle relies on this information to determine whether the vehicle is moving, so this restriction can be lifted by unplugging this wire.

2. Bluetooth connection error, media audio is not turned off. Bluetooth connection error: The owner did not correctly connect the Bluetooth of the mobile phone and the vehicle, resulting in the inability to transmit audio between the mobile phone and the vehicle.

3. If the car cannot play music when connected to Bluetooth, it may be that the music playback source is not set correctly. Audi q3 needs to connect the mobile phone to the car Bluetooth and select matching sd, dvd or aux to play mobile phone music normally. It may also be a failure caused by the central control system or line. If this is the reason, you can only go to the repair shop for inspection and repair.

4. If the car cannot play music after connecting to Bluetooth, it may be that the music playback source is set incorrectly.Audi q3 requires the mobile phone to connect Bluetooth in the car, and then select to match sd, dvd or aux to play the music on the mobile phone normally. It may also be a failure of the central control system or circuit. If this is the reason, we can only go to the repair shop for inspection and repair.

5. The reason why the Audi q3 horn does not sound is that the electromagnetic coil is in poor contact; or the equipment inside the speaker is damp; or the contact burns. The speaker is the audio signal device of the car.