Abstract: A liquid pressure monitoring system for a circuit of a machine is provided. The system includes a flow meter configured to measure a flow rate of liquid flowing through the circuit, the circuit including a strainer and a cooling section, at least one sensor configured to measure a pressure of at least one portion of the circuit; and a monitoring component for generating an alarm, in response to a value based on the measured pressure exceeding an expected pressure drop, wherein the expected pressure drop is based on the flow rate and at least one flow coefficient.