For 1990-2009 cars only
The hydraulic system consists of the following components.
| • | A pump |
| • | An oil reservoir |
| • | Pressure and return hoses |
| • | A power steering gear |
The P72 chassis also use the hydraulic system in order to provide power assist to the brake and to operate the engine cooling fan clutch. Some configurations of the P92 chassis use the hydraulic system in order to power the engine cooling fan.
