Engine oil leaking

Generally, there are 3 main reasons for the leakage of trucks:

Unqualified liner

The liner between the stationary parts of the vehicle (such as the joint end face, the end cover, the shell, the cover pad, the plane enamel cover, etc.) plays a leakproof and sealing role. If the technical specification does not conform to the manufacturing quality and device, it will not play the role of sealing and leakage prevention, and even cause an accident. For example, the oil pan or valve cover is not easy to be compacted due to the large contact area, resulting in oil leakage.

Loosening of all kinds of fastening nuts

Too loose pressure is not tight and the liner will leak; too tight will cause the metal to protruding around the screw hole or screwing the thread to cause oil leakage. In addition, if the oil drain plug of the oil sump is not tightened or loosed, it will easily cause the oil to run off, and then the machine damage accident will occur.

Aging failure of oil seal

Many moving parts (such as oil seals and O rings) on the vehicle will be thrown off the oil due to improper installation and unequal centers of the journal and the oil seal. Some Baotou Bei Ben heavy truck oil seals are too long to lose elasticity due to rubber aging, and leakage should be updated in time.

How to prevent oil leaking from trucks?

1. to properly handle the seal of all kinds of tubing joint. The car coupling nut is often dismantling and easy to slide and break loose, which will cause oil leakage. Change the union nut, and use the grinding method to dispose the cone seal, so that the nut is pressed to deal with the seal.

2. prevent Baotou North running heavy card accessories wheel hub oil. The wheel hub bearing and the smooth oil in the cavity are too much, or its oil packaging is not properly matched, the quality is bad and the aging is invalid; the wheel hub temperature exorbitant caused by the frequent brake; the axle nut loosening and so on will cause the wheel hub to throw oil. Therefore, it is necessary to use the cavity smoothing method to smooth the vent holes.

3. prevent Baotou North Ben heavy truck fittings one-way valve and ventilation valve blocking. In this case, the temperature in the box shell rises, the oil and gas overflow the whole space and the discharge does not come in, the pressure in the box shell is raised, the smooth oil consumption and the replacement cycle are shortened. After the ventilator system is blocked, the motion resistance of the piston is increased, and the fuel consumption is increased. Due to the difference between the inside and outside of the case, it often causes leakage of oil in the sealed thin area. Therefore, it is necessary to stop regular inspection, dredging and cleaning of the vehicle.