Oils and greases are of great importance in the car, as they protect the car parts, the most important of which are the engine and transmission.
But many do not care about these oils and when to change them, as they do not choose the appropriate color, and this affects the performance of the car and its life span.
Transmission oil, which some call oil, is used in both automatic and regular cars. It is known to some that this oil is not changed at all and all they do is supply it only whenever its level decreases.
But when we look at the function of the transmission, we will find that it is no less important than the engine, as without it, the speed is not transmitted to the wheels, so care must be taken to oil the transmission and change it on time to protect it from damage.
As it softens the gears of the transmission, especially since its viscosity is higher than that of engine oil, it also absorbs the temperature of the gears and protects them from melting and damage.
What is the appropriate time to change the gearbox oil?
Once the car has been traveling for 60,000 km, it is better to change the gearbox oil in order to prevent the gears from getting worn out and to avoid the sound of gears in the future.
If the gearbox is automatic, the oil must be changed every 40,000 km or 60,000 km depending on your use of the car. It is normal for it to be changed every 60,000 km, but if you use the car for travel and long distances, it is better to change it every 40,000 km.
But if your car is manual, it is better to change one liter every week, for example, until the oil is completely changed, because changing the oil completely once may damage the valve when you start the car again.
How to check the gear oil?
The gearbox oil is checked in a way that differs from the engine oil test, where the car is started and driven in several modes until the oil warms up, then the car is stopped and the gear oil level is measured. It is also better to change the oil filter.
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