When we buy a used car, it is very important to check the engine, because the engine represents the "organ" of the car. We hope that the "organ" is sound and will not cause any trouble due to the inconvenience of movement. So when buying a used car, how should the engine be checked? Jinan used car appraiser will tell you about it.
The first step is to check whether there are traces of oil leakage and oil leakage on the engine surface. And should check the valve cover and cylinder head is not regular sealant, if the sealant is not very regular, it is possible to dismantle and re sealant.
The second step is to check whether the screws around the engine are removed. Check the screws of the valve cover and cylinder cover, the engine foot pad and the connection between the engine and gearbox. If these screws have been removed, it indicates that the engine has had a major problem, which is the removal trace left by the later repair.
The third step is to start a fire and listen to the engine. Listen to whether there is any noise inside the engine, whether there is any noise on the engine belt, and whether there is any noise on the engine. If there is a noise inside the engine, it may be a knock on the cylinder. Knocking means that the clearance between engine piston and cylinder wall is too large, which means that engine wear is quite serious.
If the engine belt squeaks, it means the engine belt is slipping. The solution is to replace the belt.
If there is noise on the engine, it may be from the engine valve. This means that the camshaft and the valve lifter have the necessary degree of wear. This phenomenon also indicates that the engine has a longer stroke and greater wear.
If there are conditions and venues, the car should be put on the road to do a good road test. During the road test, pay attention to observe the idling condition of the engine, and pay attention to whether the engine speed rises rapidly when stepping on the accelerator, and pay attention to whether the engine makes any noise during the driving process.
When we select used cars, it is very important to check the engine. If the engine is found to have the above mentioned conditions, it means that the engine is too worn and needs to be replaced. Of course, it can also be a bargaining chip for us. Jinan used car trade editor today introduced so much, I hope to help you to buy used cars. Of course, you can also leave us messages on our website to share better experience.
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