KIA Lion Run automatic transmission filter replacement, no need to remove the oil circuit board. When changing the transmission oil, the transmission oil and the transmission filter element should also be changed. If it is an automatic transmission, the transmission oil pan needs to be removed. Because in most gearbox oil pans, manufacturers will put magnets in the oil pan during the design to absorb the metal chips produced during the operation of the gearbox. Therefore, when changing the transmission oil, be sure to clean the debris on the oil pan and magnet.

Symptoms of damaged oil circuit board

Engine idling is unstable, and the speed increase is weak, which will jam the car when driving and affect the power of the car. The oil circuit board is broken because the gasoline filter element is blocked and needs to be replaced in time. The oil circuit board is the assembly of automatic transmission valve body, which consists of five parts: hydraulic torque converter, planetary gear transmission system, shift actuator, hydraulic control system and electronic control system.

The oil circuit board is produced by die casting process. At present, high-pressure die casting is adopted, which has good forming effect and good sealing performance, and improves casting defects such as air holes. Then the die-casting blank is finished by mechanical processing.