Real-time customs inspection logs

Engine cylinder pad (detailed explanation of the replacement method of the engine valve chamber cover gasket) The Real-time customs inspection logsengine cylinder pad is an important seal connecting the engine cylinder block and the valve chamber cover, which plays a role in preventing water and oil from entering the cylinder. If the engine cylinder pad is damaged and the water and oil are mixed, it will cause engine failure, and in serious cases, it may even lead to the scrapping of the engine. Therefore, it is very important to maintain and replace the engine cylinder pad to maintain the normal operation and service life of the engine. The following are the steps to replace the engine cylinder pad: 1. Preparation work: a. Make sure that the vehicle is on the smooth ground, fix the vehicle, release the handbrake, and open the hood. B. To discharge both the coolant and engine oil, all the liquid in the cooling system needs to be emptied to avoid leakage during the replacement process.C. Remove the original engine cylinder pad. Usually, the valve cover, the intake valve and the exhaust valve need to be removed, and the tool needs to be removed and replaced. It is possible that the oil invades the cylinder. It is necessary to open the Shuguang Temple and clean the cylinder. Two. Prepare to replace the engine cylinder pad: a. Make cleaning paper towels and a large pile of tools, a set of tools equipped with pliers, earplugs, etc. Check the torque and prepare a new engine cylinder pad. B. During the process, the accessories of the engine should be carefully checked to see if there is any further maintenance work that needs to be carried out. 3. Disassemble the following parts: a. Disassemble the intake and exhaust channels. B. Untie the valve cover and the valve cover pad, and then place them directly on the engine. C. Try to remove these parts from the engine and place them in a safe place for subsequent construction.Four. Replace the engine cylinder pad a. Follow the instructions on the package to open the new engine cylinder pad and place it in the center of the engine cylinder block. B. Determine the normal arrangement direction of the engine cylinder pad according to the direction of the arrow. Make sure that there is no exhaust gap and adjust it in the correct position. C. For models that require long-term maintenance, they should be adjusted to the appropriate height and ensure that the engine cylinder pad can be accurately and closely connected to the engine cylinder block. D. After determining the position of the engine cylinder pad, use the tool to reinstall the valve cover on the engine cylinder block. E. Replace the necessary parts (such as intake valve and exhaust valve), reinstall the intake and exhaust ducts, and verify whether the installation method is correct with the next maintenance work. 5. After re-installing the parts of the cylinder pad, the coolant and oil were re-attached: a.First, pour some coolant into the engine to make sure that it has exceeded the standard liquid level line. B. Then add oil and check whether the lubricating oil and oil volume have reached the standard liquid level line. 6. Test engine: a. Usually, a water thermometer is used to judge the temperature of the engine, and the thermometer should show the standard temperature within 30 seconds. B. Maintenance personnel should pay attention to changes in the amount of oil and ensure that the temperature and pressure of the lubricating oil are within the standard range. The above are the detailed operation steps for replacing the engine cylinder pad. Doing a good job of engine maintenance can improve the service life of the engine, delay the aging of the engine, and maintain your beloved car requires daily attention and timely maintenance. If you are not sure whether you can complete the operation, you'd better contact a professional auto repair clinic or factory for maintenance and replacement.

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