The causes of hum in the steering may become: a critical condition of the oil, requiring replacement; the faulty steering rack of the hydraulic booster; failure of the power steering pump; the deplorable condition of the drive belt.

If you do not monitor oil and late to change it, it loses its properties, becomes useless and further use may result in a hum of power.

Oil should not smell fumes and have a cloudy color. Oil, having the above signs should be urgently replaced.

For oil replacement in the hydraulic booster it is necessary to use the stamps only those oils that are recommended for this type of car.

The fluid in the power steering must be changed on average every year and a half.

The reason why the rotation of the steering wheel accompanied by a roar, may be hiding in faulty steering rack-steering, which fails because of the peculiarities of the Russian climate. For local weather peculiar to sudden changes in temperature and humidity. The tradition of filling up the road salt has a negative impact on the protective elements of the steering rack — damaged dust caps and gaskets, and the power steering starts to leak and buzzing.

Faulty steering rack can be repaired or replaced.

By the way, even in Moscow not so many garages and companies, where repair steering racks. It is possible that the owner of the car will have to buy a new rail.

The cause of the hum may be the condition of the belt to the power steering. He may have worn out and should be changed, or maybe they just need tightening.

Another cause of hum may be a fault with the power steering pump. The pump needed to pump the working fluid in the power steering system of the vehicle. If it has failed, it is better not to try to repair, better to replace.

Otherwise, the steering is pretty reliable unit not requiring constant attention and control. You should follow the guidelines for fluid replacement and to periodically monitor the condition of the drive belt.

You need to remember that when driving a car hold the steering wheel in the extreme right and left positions for more than 10 seconds is not recommended.

Leave a parked car turned to the right or left wheels is also highly undesirable.