Car oil, 80% of car owners aren't familiar it.

If the blood in the human body is in charge of the circulation between various organs, it is an indispensable part of the human body.
Then the oil in the car also plays this role. If the car without various types of oil, the car will be difficult to drive.

However, most car owners are not very concerned about the various oils in the car,their most attention is only fuels such as gasoline and diesel. Oils like automobile oil, brake oil, transmission oil, etc..
They don't necessarily know what to do after driving for a long time, author will to explore the various oils for everyone today.

Motor oil main role:
The main function of the oil is to help the engine to play a lubricating role, but in fact, this is only one of the functions of the oil. In addition to lubrication to reduce friction, the oil also has cleaning , sealing and leakage prevention, rust and corrosion prevention, cooling , and shock absorption buffer role.

Inspection method

1. Oil level
Regularly check the oil, open the front cover to see the yellow plastic rod, pull it up with a little force and pull out the whole piece of iron. There is a concave and convex place at the end. There is a lattice and a horizontal line at the bottom.
This is to look at the line of the oil level is gone，check out the oil level whether is between the upper and lower limits.
In general, the oil consumption is not serious enough to survive the cycle between the two maintenance.

2. Oil color
For example, during daily inspection, there is impurity or gasoline smell in the oil, and the smoke is light blue, which indicating the engine has a problem, the machine may be abnormally worn, and it should be repaired as soon as possible.

Replacement cycle
Mineral oil: 5000 km or 6 months
Semi-synthetic motor oil: 7500 km or 6 months
Fully synthetic motor oil: 10,000 km or 12 months

Brake Fluid main role
Brake oil is also called brake fluid, which is an important factor affecting the performance of the brake system of the vehicle. With the brake pedal on the foot, the brake master cylinder is driven by the vacuum booster. The brake master cylinder pushes the brake oil and will be under the foot. The force is transmitted to the brake cylinders to which the four wheels belong by the brake oil. The brake cylinder pushes the brake pads, and the brake pads squeeze the brake discs to form the braking force.

Inspection method
1. Brake oil level position
Open the hood and find the brake oil pot (the yellow octagonal icon on the lid), wipe the brake oil pot with a paper towel and observe if the brake fluid level is in the standard position between the upper and lower lines. If the liquid level is lower than the lower line (MIN), you need to add brake oil. The brake oil must use the same number of brake oil as the original car. The label is usually marked on the brake oil pot.

2. Brake oil color
Observe whether the brake oil is mixed or inhaled, or when it is found that the brake oil has impurities or sediment, it should be replaced or carefully filtered.

Replacement cycle
After the brake oil has been used for a long time, the cups and pistons in the brake master cylinder will be worn, causing the brake oil to become turbid, which will affect the braking effect. In addition, the brake oil will also absorb the moisture in the air, so that the boiling point is lowered, and the air resistance is likely to occur when braking for a long time, resulting in brake failure. The recommended replacement period is 2 years or 40,000 kilometers.

Antifreeze main role
Antifreeze is an important heat-dissipating conductor of the vehicle. In winter, it can prevent the vehicle coolant from freezing and bursting the cooling system of the vehicle. In the summer sun exposure, antifreeze is also particularly important to prevent "opening".

Inspection method

1. Antifreeze liquid level position
Open the antifreeze reservoir and check the liquid level of the antifreeze. There are two warning lines in the spare box, one is the highest position, that is, the MAX line, and the other is the lowest line, the MIN line. If the page height is between MAX and MIN, the antifreeze is suitable. If the antifreeze page is below the MIN line, it should be replenished in time.

2. Antifreeze color
The color of normal antifreeze is relatively pure. However, after adding antifreeze or adding water, the chemical reaction after a period of time will affect the normal performance of the antifreeze. The impurities will cause the antifreeze to turbid and cause damage to the cooling system.

Replacement cycle
The antifreeze should be used for 3-5 years or 100,000 kilometers. Check the liquid level during each maintenance period, add it as appropriate, and replace the antifreeze when the expiration date.

Power steering oil main role
Power steering oil is a special kind of liquid used in automotive power steering pumps. Hydraulically, the steering wheel can be made very light.

Inspection method
1. Power steering oil level position
When the engine cools down, find the power steering oil reservoir (the icon with the steering wheel on the lid), open the booster lid and wipe the oil on the dipstick with a paper towel. Re-insert the dipstick into the booster oil pot and pull out the observation level. If it is lower than the lower line, add the original booster oil to the scale line and tighten the lid clockwise.

2. Power steering oil color
The quality of the steering oil is slightly more difficult because there is no reference standard, but in general the new power steering oil is generally reddish and has a certain transparency, while the long-term power steering oil will turn black and the transparency will be large. reduce.

Replacement cycle
The power steering oil replacement cycle is generally long. It is recommended to replace it in 2 years or 40,000 kilometers. Generally speaking, it can be tested once every six months.

For the oil of the car, we have to know:
1. The basic functions of various oils are easy to eliminate as soon as some common problems occur.
2. Regular inspections at regular intervals, such as oil level and fouling
3, Each oil has its own life cycle, each model is slightly different, the owner can refer to the car manual

As the blood of the car, the oil does not pay attention to the maintenance inspection, which can bring about adverse effects and greatly shorten the service life of the car. Don't ignore the owner's friends. If you want to replace it, go to a professional repair shop to replace it.

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