Hydraulic Pressure Test: Notes
WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
An accurate tachometer and pressure test gauges are required. Test Gauge (special tool #C-3293-SP, Gauge, Pressure 0-300 P.S.I.) has a 300 psi range and is used at all locations where pressures exceed 100 psi.