It means that you have air in the steering rack. You need to bleed it properly.
in the power steering resevoir,above the power steering pump..
Power steering fluid is beside the windscreen washer resevoir on the front passenger side of the engine bay.
The power steering hydrolic washers needs to be replaced and be sure to use the correct hydrolic oil !!
Resevoir is on right fender, black plastic tank. Unscrew lid CLOCKWISE. ATF recommended.
Aside from the obvious, Power Steering Pump resevoir; and depnding on the model year and engine, typically the location is on driver's side down low. There's a black plastic twist know with a white plastic resevoir. With the engine off, twist counterclockwise and pull off; the dipstick will show the level. Power Strg fluid, or Auto. Trans. fluid works.
Check for a low power steering fluid level. Leaky power steering pumps are common. When power steering fluid level gets low, air bubbles form in the fluid. As the bubbles pass through the pump, the pump smashes the bubbles which results in a vibration. The pump doesn't like the vibration, so it gets sad and moans like a whiny little biotsh.
the power steering resevoir, MAKE SURE the vehicle requires power steering fluid, some use transmission fluid instead. If your unsure take it to a lube center and ask them to do it you. In the 2004 Chevy Impala with the 3.8L engine, the power steering pump is a sealed unit. It does not require fluid to be added. Also if you have to replace it, it is not an easy job. The power steering pump is above the transmittion and behind the center of the engine.
same as brake fluid resevoir
Power steering fluid level is checked at the power steering fluid resevoir. It is located on the passenger side in front of engine. If you can't find it follow the hoses up from the power steering pump wich is on the passenger side of the car mounted on the front ( facing the passenger side wheel well ) and bottom of the motor.
Air in a power steering system is caused by low fluid or a leaking seal. When the fluid is low, the pump becomes exposed to the air and causes large bubbles to form.
The power steering resevoir cap on my 2001 Infinity i30 says to use "Dextron Type ATF". Folks, "ATF" stand for "automatic transmission fluid". Even though the cap says to use it in place of "power steering fluid", I was cautious about it. I visited the local Nissan dealership and asked the parts department guy about it. He told me that some models of Infinities use transmission fluid in the power steering system.
Low power steering fluid or fluid pressure, due to a leak or component failure.