Hydraulic Pressure Test: Notes
WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
An accurate tachometer and pressure test gauges are required. (special tool #C-3293-SP, Gauge, Pressure 0-300 psi) has a 300 psi range and is used at all locations where pressures exceed 100 psi.