Common Faults of Hydraulic Power Steering and Troubleshooting
Hydraulic power steering (HPS) is often used in many vehicles and machinery to provide a convenient and fast way to turn the wheels. Hydraulic power steering can provide high force with minimal required input from the driver, and provides the driver with improved ease of control and precise handling, making it the system of choice for many vehicles and machinery. However, like all systems, HPS is susceptible to failure, and in most cases, has several common faults. This article looks at the common fault associated with hydraulic power steering and how to troubleshoot them.
The most common fault associated with HPS is a leak. This could be caused by a number of things, such as a damaged seal, a cracked pipe, or a faulty component. If the HPS fluid level has dropped significantly, then it’s likely that a leak has developed. To diagnose the cause of the leak, it’s best to check all the components that make up the system, such as the pump, lines, filters, valves, and reservoirs.
If the HPS system has been running for some time, then it’s likely that the system has experienced some wear and tear, as the components are heavily reliant on the operation and performance of the system. If this is the case, then it may be necessary to replace certain parts to improve the system’s performance.
Another common fault associated with HPS systems is poor steering response. This can be caused by the presence of air in the system, which can disrupt the proper performance of the system. If this is the case, then it’s best to flush the system with a compatible fluid to remove any air bubbles and improve the performance of the system.
It’s also possible that the system is experiencing a lack of hydraulic fluid. This can also lead to poor steering response, as the system is unable to generate enough pressure to power the wheels. In this case, it’s best to check the hydraulic pump and the reservoir to ensure that they are in good condition and that they are properly supplying the correct quantity of fluid.
In some cases, the driver may notice that the steering wheel is becoming heavy, or difficult to turn. This can be caused by a number of factors, such as an obstructed fluid line, worn components, or air in the system. If the system is experiencing problems with air in the system, then it’s best to flush the system with a compatible fluid to remove any trapped air and improve the system’s performance.
If the problem experienced is wear and tear, then it’s best to replace any worn components. This can be done in most cases by simply replacing the HPS sensor, pump, or filter. It’s important to make sure that all new components are compatible with the system and that they are installed correctly.
Finally, it’s also important to regularly service the HPS system. This can help to keep the system in optimal condition and reduce the likelihood of it failing in the future. A professional technician can inspect the system, check the components, and top up the fluid levels, if necessary.
In conclusion, hydraulic power steering (HPS) is a reliable and convenient system that is used in many vehicles and machinery. It can provide high force with minimal input from the driver. However, like all systems, it is prone to faults and can develop issues such as leaks, poor steering response due to air in the system, or it can become heavy or difficult to turn due to worn components or an obstructed fluid line. It is important to remember to inspect the system regularly and to replace any worn components or perform a drain and flush with a compatible fluid if necessary. With proper maintenance, an HPS system can provide many years of reliable service.
