How do you diagnose problems in a steering system?

Diagnosing steering system faults requires combining symptom manifestations with system inspections. Common issues include difficulty in steering, abnormal noises, deviation, or oil leakage. If the steering wheel rotation resistance increases, check the power steering fluid level and quality. If the fluid level is insufficient or the fluid has deteriorated, replenish or replace it, while also inspecting the sealing integrity of the power steering pump and steering gear. Abnormal noises often stem from mechanical component wear, such as damage to the kingpin bushing or thrust bearing, and the fault point can be identified through disassembly and inspection. For deviation issues, prioritize checking tyre pressure and tread uniformity. Oil leakage is frequently caused by aging steering gear seals; replace the oil seal and examine the housing for cracks. When faults occur in the electronic power steering system, connect a diagnostic tool to retrieve fault codes and conduct targeted inspections of sensors or actuators. Regularly monitor the condition of the steering fluid and mechanical component wear. If abnormal steering feedback or vehicle trajectory deviations are noticed during daily driving, promptly address them to ensure driving safety.