Most often, leaks are found around the seals or gaskets. These parts can degrade over time due to continuous pressure, exposure to heat, or chemical reactions with the hydraulic fluid. Once the source is pinpointed, it becomes a matter of replacing the faulty seals...
These might include high-pressure testing devices, torque tools calibrated to specific tolerances, or equipment used for machining parts to exact specifications. Without the right tools, even the most knowledgeable amateur can find themselves at a disadvantage. More...