Air in the lines
It could be several things, anything from a bad master cylinder, air in the system, or maybe a leak.
Air in the hydraulic fluid
Hydraulic pump that produces pressure in a hydraulic system. It takes energy to pump the electric motor or engine mechanical.
It is telemetry system with hydraulic
The hydraulic jack is fabricated in pieces and is inserted into the actual hydraulic breaking system of the vehicle. Unions and ball valves along with a directional control valve allow the jack that is mounted on the chassis to be activated with brake pedal access.
Air in the brake hydraulic system or defective master cylinder.
A hydraulic drive system is a transmission system. This system uses hydraulic fluid that has been pressurized to make a machine work. Most of these systems utilize hydraulic cylinders.
Hydraulic system make use of hydraulic devices to perform a variety of functions.
A hydraulic pump creates pressure by converting mechanical energy from a motor into fluid flow energy. The pump forces fluid into the system, which causes the pressure to increase. The pressure builds up as the fluid is confined within the system, creating the necessary force for hydraulic applications.
fluid is called viscosity in hydraulic system
Manufacturer introduces hydraulic system hydraulic oil.
Possibly just an adjustment on the rockers. Hydraulic system. Hopefully that's it.