How to check if the engine is leaking oil

Recently, it has been found that the car engine is somewhat unstable, and it feels that there is oil leakage under the engine. How do you check if the engine leaks oil?

How to check if the engine is leaking oil?

The reader, Wang Wang, asked: Recently, the car engine was found to be somewhat unstable, and it felt that there was oil leakage under the engine. How do you check if the engine leaks oil?

Re: The leakage of automobile oil is mainly caused by leakage in three areas: oil leakage from engine lubrication system, oil leakage from oil cushion, and oil leakage from valve room. The engine body oil leakage is mainly two aspects: the front crankshaft oil seal oil spill and the rear crankshaft oil seal oil spill, the front crankshaft oil seal oil spill location is in front of the engine box oil spill, the rear crankshaft oil seal oil spill location is behind the engine oil spill . Leakage of oil is in the form of sheets and dots. The sheet shows that the machine has aged and needs to replace the machine parts. The dots indicate that the machine has started to age and needs to be repaired and cared for.

Oil spill pad: Visually inspect the rear of the engine for oil leaks. The main causes of oil leakage are: the aging of machine parts; the sealing is not strict after maintenance.

Valve room oil leakage: visually observe the oil leakage inside the car where the machine is leaking. Observe from the valve chamber cover. Its position is at the top of the engine. Observe the turbidity and penetration. If there is any stain, describe your car. Has been leaked. The cause of the oil leakage: the machine parts are aging; the machine seal is not strict.

How to solve the problem of running high-speed air leakage?

The reader, Miss Huang, asked: When a newly purchased car is running at a high speed in the near future, it feels like it is leaking. How should it be solved?

Re: leakage when the speed is too high This phenomenon is mainly related to the door seal, and then check whether the place where the harness passes is sealed; the air leakage and the door seal will have a certain relationship, you can add sealing strips to the Auto City, install the sealing strip The cost is very low, each door is about 50 yuan.

What is the reason for the delay in refueling?

Readers Mr. Mo asked: The car has been used for more than a year, but recently it has been found that CVT fueling is somewhat slow. What causes this?

Re: This kind of fault has little to do with cleaning of the air intake system and the fuel system. From the analysis of vehicle usage, the vehicle utilization rate should not be high, that is, the number of vehicle speeds and kilometers per day that the vehicle travels is not large. According to the engine control unit program setting, this situation suggests that the high speed is appropriate. There are good results to improve, for the carbon cleaning is a certain help.

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