Where is the Sonata 2.0 oil check valve?

The only check valve that can be seen on the engine is the inlet check valve of the heater.

There is a rubber tube with a diameter of about 5 cm on the left side of the engine, and there is a direction switch on the rubber tube. This switch is a one-way valve.

As a well-known brand with a history of 30 years, Sonata Sonata achieved success in Korean, European, North American, China and other markets, and now it has achieved global sales of more than 7 million vehicles. The ninth generation Sonata is the highest level of Beijing Hyundai in scientific and technological innovation, design aesthetics and intelligent service so far, which meets the growing driving needs of consumers.