GMC, power steering fluid change in Zevulun

GMC, power steering fluid change in Zevulun.
It is recommended to change the power steering fluid every 1-2 years, taking into account the car brand and operating conditions, or when repairing malfunctions of the steering gear components. First, pump out the old fluid, which is done with a syringe and through the hoses directed into the container. After that, pour the new hydraulic fluid into the power steering expansion tank, to a level between Min and Max or Min Cold and Min Hot and similar marks. Carry out the control measurement after starting the engine and a short trip.