A car, driving normally, the engine issued a “rustling” abnormal sound. After several searches, all have not found the reason. The steering axle lift after starting the engine, while rotating the rim with a metal bar to find abnormal sound auscultation, from the steering booster; check the power steering oil tank, which has no oil; full power steering oil, test, abnormal sound is slightly reduced, but still very heavy steering. Disassemble the steering booster to check that the bearings have been damaged.
Troubleshooting
Replace the new North V3 fittings, steering booster, plus the power steering oil, test run, the failure is ruled out.
fault analysis
When the car is turning, the North V3 fittings, steering booster will produce very high oil pressure, and sent to the North V3 fittings steering machine, to play a supporting role. At the same time, the booster itself lubrication also depends on the booster oil. The car did not check, due to long-term filling oil, resulting in oil shortage, its poor lubrication and the emergence of “rustling” sound, because this time did not find fault causes and solving the problems, finally in the fault caused by moving to.
Here remind motorists and maintenance personnel, should be in accordance with the prescribed period, the family power steering oil tank surface is highly democratic, insufficient should be promptly added.