Transmission line leak on 2003 Hyundai Santa Fe

I need to know if the Transaxel cooling line is pressuruized or not, can someone pls help me asap?

Asked by for the 2003 Hyundai Santa Fe
1 answer
The cooler line has about 15 psi running,at max and it retuns to the trans in the return line. It flows all the time the engine is running!