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Why is the steering wheel buzzing when turning the rudder? Causes
The modern car is literally "stuffed" with various additional systems aimed at improving comfort. We can no longer imagine a car without an air conditioner, heated seats, electric windows and, of course, a hydraulic power steering. Shortly it is called GUR. However, during operation this mechanism may fail.
The reason to think seriously if the HUR buzzes when turning the steering wheel in place. What can these unpleasant sounds indicate? Why is the steering wheel buzzing when turning the rudder? How to deal with this, we consider in this article.
Characteristic
The hydraulic amplifier is a steering element . Unlike mechanical systems, in this case, an additional force is generated to turn the wheels, based on the hydraulic drive.
Working fluid
Those who have a hydraulic amplifier know that the main component in it (besides the pump) is the liquid. Oil in the GUR system also has its own resource. You do not need to think that it is flooded for the entire life. The liquid must be periodically topped up or changed completely. The latter option is more reasonable, in terms of system maintenance.
How to determine the state of the fluid?
Look in the tank. The fluid of the hydraulic booster must have its original color (usually painted in a red shade), without impurities and deposits.
Rail
In modern cars, worm and helical steering gear are no longer used . All cars are now manned with racks. Not exception was the "Mitsubishi Lancer 9". The steering wheel is buzzing when turning the steering wheel sometimes because of the reiki. What is the reason for this phenomenon?
The problem lies in the temperature changes and reagents, which in winter roads are sprinkled. Especially this problem is relevant for residents of large cities, such as Moscow and St. Petersburg. The salt falls on the rubber anthers and the stuffing box seal. As a result, they "dub", crack, and the steering gear begins to flow. After a short parking you will find that an oil puddle has formed under the car.
If the problem was detected on time, everything is resolved by replacing the damaged anther or the gland. After this repair, the liquid stops flowing out. In neglected cases, if the HUR buzzes when turning the rudder to the stop, the rack mechanism changes entirely.
Drive unit
The next reason is the drive mechanism. The hydraulic amplifier is driven by the crankshaft pulley. The nodes are connected by a belt drive. It should have a good fit. Otherwise, the pump pressure will be insufficient. In addition to the rumble, you will feel that the steering wheel is turning much tighter, in addition there will be an increased vibration. Check the condition of the belt.
Pump
And the last reason that the HUR buzzes when turning the rudder is a faulty pump. This is due to ignoring the oil change regulations and improper operation of the steering.
How to save GUR?
There are a number of rules that should be followed when operating a car with a GUR:
- Do not leave the car in a parking lot with turned-out wheels, especially in winter.
- Do not overheat the fluid in the power steering. To do this, do not remove the steering wheel until it stops. Leave a small gap of 5-10 degrees. The load on the pump will decrease at times, and the liquid will not boil.
- Observe the oil level in the reservoir. If the liquid begins to go away, check the condition of the rail and rubber tubes. The leak must be eliminated.
- Replace the hydraulic oil regularly. This will keep the pump and rail from premature failure.
- Do not drive with a weakened strap. With any extraneous sounds from under the hood (often a characteristic whistle), check the tension level.
Conclusion
So, we found out for what reasons the GUR is buzzing when turning the rudder and how to prevent this malfunction. The hydraulic amplifier makes it easier to control the car, especially with maneuvers such as parking. However, do not forget that the GUR is a separate mechanism, which uses its own oil and its drive. With proper care, this unit will please the driver with a long and quiet operation.
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