Toyota does not recommend changing the transmission oil?What happens if the gearbox oil is not changed

Car maintenance is very important, and the maintenance of various oils is even more important. Some car owners are looking throughToyotaIn the car maintenance manual, only the maintenance cycle of the gearbox is stated, but the replacement cycle of the gearbox is not found. Does Toyota not recommend changing the gearbox oil? What happens if the transmission oil is not changed?

Some manufacturers claim that their transmission oil can be maintenance-free for life. There may be reasons why Toyota does not recommend changing the transmission oil, but this may also involve certain risks.A certain amount of precipitated impurities will be generated during the use of automobile gearboxes. These impurities will stick to the hydraulic torque converter, hydraulic valve body module oil passages or deposit in the oil pan and gearbox filter element along with the flow of the gearbox oil. , The longer the time, the more accumulation, which will affect the operation of the car, appearIn gearNot smooth, driving frustration,Get startedWeakness and so on.

It is recommended to replace it every 3 years or 80,000 kilometers, but for cars with high mileage, it is not recommended to change the transmission oil at will. If you need to replace it, choose the correct replacement method, use a circulating engine to change the oil, and clean the oil on the machine. Impurities in the casing may cause blockage of the internal pipeline of the gearbox, resulting in failures such as poor oil flow and stuck solenoid valves. It is more recommended to use the gravity oil change method to replace it. Manual replacement can also clean the impurities, and the risk is even greater. small.