Auto oil cap action
The main function of automobile oil cap includes the following aspects :
Mark the oil model : the oil model required by the engine is usually marked on the oil cap. The owner can choose the right oil according to this label to ensure the normal operation of the engine .
Judging engine failure :
Lack of power and high fuel consumption : if you smell a strong gasoline smell inside the oil cap, it may be the high pressure oil pump fault, replace the high pressure oil pump can solve the problem .
engine wear : after starting the engine, if there is a large pressure in the oil cap or the oil is sprayed out, it indicates that the engine is seriously worn and the cylinder may have been pulled .
burning oil : if the oil cap has a strong suction, it may be the waste gas valve fault, replace the waste gas valve .
engine water : if there is milky white goo on the back of the oil cap, it indicates that the oil water is in, which may be the oil radiator is damaged, and the radiator needs to be replaced in time.
engine abnormal sound : if you hear "squeaking" abnormal sound, unscrew the oil cap and the sound disappears, it may be a crankshaft forced ventilation valve (PCV valve) problem .
Observe the engine condition :
oil emulsification : if there is white emulsification on the oil cap, it indicates that the oil is seriously emulsified and needs to be replaced with a new oil .
sludge : If there is a lot of black sludge on the oil cap, it indicates that poor quality oil has been used or poorly maintained .
timing system judgment : some models can observe the timing chain or belt through the oil cap to judge the status of the timing system .
The oil cap is a round cap on the top of the engine, usually near the engine. Its main function is to close the oil chamber of the engine to prevent dust and impurities from entering, and to facilitate opening to add or check the oil when needed.
Structure and function
The oil cap is usually a round cap with a protruding screw cap or a pop-up handle. Its main functions include:
Closed oil chamber : prevents dust and impurities from entering the engine interior.
easy to operate : when adding or checking oil, you need to unscrew this cover to operate .
Care and maintenance
When maintaining a car, it is very important to use the oil cap correctly. Here are some maintenance suggestions:
Choosing the right oil type : The recommended oil type is usually marked on the oil cap. Choosing the oil according to this label can ensure the normal operation of the engine .
Check the oil quality : regularly check the back of the oil cap, such as black sludge or milky goo, may be the use of inferior oil or engine water, need to deal with in time.
smell of oil : if the oil cap has a strong gasoline smell, it may be the high pressure oil pump is damaged, need to be replaced in time .
Check the engine's health : after starting the engine, try to unscrew the oil cap and watch for abnormal pressure or oil leakage, which may be a sign of serious engine wear .
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