HS code compliance in the USA

List of the catalog of this article:

• 1
  、HS code compliance in the USA What is the fault of Volkswagen ea888 timing gear?
• 3, second generation ea888 timing chain life
• 4, How many kilometers should the ea888 timing chain be replaced?
• 5, What is the reason for the abnormal sound of the timing chain of the ea888 engine

ea888 timing skills

1. To the ea888 engine timing The specific operation steps are as follows: align the white link of the large chain of the ea888 engine crankshaft at the crankshaft mark. Point the purple link of the ea888 engine small chain at the white dot mark.Aim the arrow of the ea888 engine balance shaft at the white link of the large chain.

2. The easiest way is to raise the temperature of the vehicle to about 80 degrees first, and then step on the accelerator. If the engine speed rises very slowly or there is a strange sound in the exhaust pipe, it means that the speed is too late. If there is a similar metal knocking sound, it means that the point is too early.

3. How to analyze the timing of the Volkswagen ea888 engine: There should be several links on the chain with different colors. This is the timing mark on the chain. There should be a time point on the camshaft sprocket. Take a closer look. There should also be a time point on the crankshaft sprocket. You will find it if you observe it carefully.

4. First, turn on the third generation of ea888 engine. Secondly, to remove the engine support, you need to use the engine hanger to lift the engine.Finally, remove the upper cover of the timing chain and use the stop tool to locate it.

5. OK. There are two schemes: Scheme 1: Use a Volkswagen diagnostic instrument to enter the engine system and observe the data of 91 groups of data flow. If the data difference is more than 5 degrees, it is necessary to replace the timing chain and the chain tensioner at the same time.

6. The Volkswagen CC0T model adopts the EA888 engine. The specific operation steps of this engine calibration timing system are as follows: use the tool to rotate the crankshaft pulley to make the timing point on. Use special tools to fix the position of the intake and exhaust camshaft. The position of the upper intake camshaft. The position of the upper exhaust camshaft.

What is the fault of Volkswagen ea888 timing gear?

1. The most serious problem of timing chain tooth loss is that the engine valve is pushed open, and most of the engine accessories such as valve and piston need to be replaced, and the repair cost can be as high as 40,000 yuan. This batch of EA888 engines is widely used in domestic and imported models of Audi, Volkswagen and Skoda. Most of the fault problems occur in models with a mileage of more than 50,000 to 60,000.

2. The timing transmission device of the engine is a tooth-shaped belt transmission. During use, if maintenance and adjustment are carried out from time to time, the synchronous belt jump will occur, which will affect the engine's difficulty in starting, poor acceleration and other faults.

3. If the timing belt fails, most of the symptoms will appear: such as engine force, noise, inability to start or long start, etc. Therefore, car owners need to consider this component when feeling the above phenomenon. Of course, it's not just this, but also other ingredients.

4. Volkswagen ea888's timing jump teeth will lead to no fuel injection: it depends on how many teeth jump. If you only jump one, it doesn't feel good. The main reason is that the refueling will not feel as powerful as before, and the sound will also be slightly dull.

5. The timing chain jump gear is a common problem of the second-generation ea888 engine.When the engine fails at the right time, it will cause the engine to fail to accelerate, thus affecting the fuel efficiency of the engine. At the same time, there will be jitter and other problems. If you continue to drive, the valve may be damaged, and you need to re-align the timing chain after jumping.

6. Generally, the jumping teeth of ea888 at the right time will affect the non-ejection of oil. It depends on how fast you jump. It doesn't feel like jumping one. The important thing is that if you refuel, it may not become as powerful as before, and the voice will be a little dull. If you have more than two teeth, you will feel that the engine shakes and vibrations are very serious.

Second-generation ea888 timing chain life

How long should the ea888 timing chain be replaced? As long as it is a model equipped with EA888 engine before July 2012, the timing chain must be replaced after 60,000 kilometers. .Because the tensioning wheel of the engine becomes loose after driving 60,000 kilometers, it may lead to the risk of timing chain teeth jumping and even the top cylinder and top valve.

About 10,000 kilometers. Theoretically, the timing chain has a longer life and is maintenance-free for life. In actual use, the timing chain will also produce a certain degree of wear, especially when the car is fully loaded for a long time, the wear will also be aggravated. Although the reliability of the timing chain is high, it still depends on external factors such as the driving environment.

ea888 timing chain needs to be replaced after 60,000 kilometers, because the engine has a tensioner lift after 60,000 kilometers, which affects the risk of the timing chain jumping teeth and even the top cylinder and top valve.

Well, let's stop talking nonsense. Let me tell you my opinion. As long as it is a model equipped with an EA888 engine before July 2012, the timing chain must be replaced after 60,000 kilometers.Because the engine is raised by a tensioner after driving 60,000 kilometers, it will affect the risk of timing chain jump disorder and even the top cylinder and top valve.

[Pacific Automobile Network] According to the manufacturer's explanation, 600,000 kilometers do not need to be overhauled, and the basic life span is about 600,000 kilometers. The Volkswagen EA888 engine is a newly designed engine of Volkswagen. The engine integrates a series of advanced technologies such as in-cylinder direct injection, turbocharging, variable valve timing, etc., which achieves power and economy and environmental protection.

How many kilometers should the ea888 timing chain be replaced?

1. The ea888 timing chain needs to be replaced after 60,000 kilometers, because the engine has a tensioner lift after 60,000 kilometers, which affects the risk of the timing chain jumping teeth and even the top cylinder and the top valve.

2. As long as it is a model equipped with an EA888 engine before July 2012, the timing chain must be replaced after 60,000 kilometers. Because the engine has a loosening tensioner after 60,000 kilometers, it leads to the risk of misaligned timing chain jump teeth and even top cylinder and top valve.

3. Check regularly according to the conditions of use and the environment, and replace it if necessary. The ea888 timing chain needs to be replaced after 60,000 kilometers. This is because the booster of the engine will be lifted after 60,000 kilometers, affecting the risk of jumping teeth, hitting the cylinder and valve of the timing chain.

4. For belts, rubber has the risk of aging. It needs to be replaced for a certain period of time. Even if there is no problem with the belt when replacing it, it is recommended to replace it mainly for prevention. GenerallyIt is about 80,000-100,000 kilometers to check and replace the timing belt. The valve bends sometimes due to the timing belt.

5. According to the query of Pacific Automobile Network, the third-generation ea888 timing chain life is replaced with 60,000 kilometers. Because the tensioner of the engine will rise after 60,000 kilometers, affecting the risk of timing chain jump gear or even pushing the cylinder and valve. The development of the ea888 series engine is now the third generation engine, including 8L and 0L displacement.

6. Maiteng engine chain replacement cycle: Volkswagen EA888 series engine is the highlight of the publicity in order to avoid maintaining the timing chain during publicity.

What is the reason for the abnormal sound of the ea888 engine timing chain

1. This situation may be due to the failure of the timing chain tensioner, or it may be due to the long-term use and lengthening of the timing chain. Ea888 is Volkswagen's engine, and many Audi and Volkswagen models use the ea888 engine. Volkswagen's cc uses Maiten, Passat, Touareg, Tiguan and Tiguan lea888 engines.

2. This situation may be a fault problem with the tensioner of the timing chain, or it may be affected by the long-term use of the timing chain. EA888 is a Volkswagen engine, and many Audi and Volkswagen models basically use the EA888 engine.

3. This situation may be caused by the failure of the timing chain tensioner, or it may be caused by the long-term use of the timing chain and the lengthening.Ea888 is an engine under Volkswagen, and many Audi and Volkswagen models use the ea888 engine.