Most Common Causes of Hydraulic Systems Failure | YorkPMH
13/02/2020 · We can trace most hydraulic issues back to a few common causes, listed below. 1. Air and Water Contamination. Air and water contamination are the leading causes of hydraulic failure, accounting for 80 to 90% of hydraulic failures. Faulty pumps, system breaches or temperature issues often cause both types of contamination.