The wear of the rack may cause the meshing between the rack and the pinion to no longer be smooth, or even gaps or abnormal contact. Especially when driving on bumpy roads, the vibration of the vehicle will aggravate this wear, causing the power steering rack to make a "clicking" sound.

The work of the steering rack and pinion involves a lot of friction and mechanical stress. If these metal parts are not adequately lubricated after long-term use or dry-grip due to lack of power steering fluid, they will gradually wear or produce gaps. These wears will destroy the sealing of the rack system and allow hydraulic oil to leak from these gaps.

Normally, the rack of the power steering rack should not move excessively. The purpose of the rack design is to fix the steering rack so that it can move smoothly during the steering operation and provide assistance to the driver through a hydraulic or electric power system.

After turning off the power, it is recommended to wait a few minutes to ensure that the electric steering system is completely powered off. This step is critical to the smooth progress of the reset process and ensure that the electronic control unit (ECU) inside the system no longer retains any cache or error codes.

If the noise comes from the front of the vehicle, especially near the wheel or chassis, and is accompanied by hydraulic hum, gear jamming, or hydraulic oil leakage, the problem is most likely with the power steering rack or power steering system.

Steering power reduction or failure When the hydraulic oil deteriorates, the viscosity increases and the fluidity deteriorates, which will cause the working efficiency of the hydraulic pump to decrease, thereby weakening the hydraulic steering rack power.

Mercedes-Benz steering rack prices vary depending on the model, type of steering system, choice of original parts vs. replacements, etc. Typically, Mercedes-Benz steering rack prices range from $600 to $2,500, and additional expenses such as installation costs, other parts costs, and four-wheel alignment need to be considered during the replacement process.

Use a funnel to slowly pour the appropriate amount of power steering stop-leak fluid into the reservoir. Usually, the stop-leak fluid will start to work after mixing with the existing power steering fluid. Be careful not to pour too much stop-leak fluid to prevent the fluid level in the power steering rack from being too high.

Replacing the power steering rack is a technically demanding project involving multiple steps and details, requiring professional equipment and experienced technicians. The first step in replacing a power steering rack is to remove the steering system components. This includes removing the steering column, steering wheel, steering linkage, and power steering pump.

Continuously adding new fluid to delay repairs will cause car owners to ignore the seriousness of the problem. Once the hydraulic fluid in the power steering system is completely exhausted, the driver may suddenly lose steering assistance, especially when driving at low speeds, and the steering will become extremely heavy, making driving more difficult and dangerous.