What to Do When the Vehicle Steering System Fails?
1 Answers
Steering system failures and solutions are as follows: 1. Steering gear failure: If the inspection reveals low hydraulic pressure in the steering gear assist, it indicates that the steering difficulty is due to the steering gear. In this case, professional repair services should be consulted. Generally, steering gear failures are mostly caused by piston or cylinder scoring, or damage to the piston sealing rings, which allows fluid to bypass between the two chambers, preventing effective pressure buildup. Additionally, damage to various sealing rings on the piston circumference or the steering screw can also lead to high-pressure leakage, reducing assist pressure. 2. Power steering pump failure: If testing shows that the pump pressure does not meet standard values, steering difficulty is likely related to the pump. First, check the mating surface of the flow control valve and valve seat, and whether the safety valve ball is not sealing properly. If there is leakage in the flow valve or safety valve, it can be repaired by grinding. Next, check if the safety valve spring has failed. This can be tested by adding a shim behind the spring. If the maximum pump pressure increases significantly after adding a shim, it indicates spring failure.