Warm up the motor to working temperature
Switch off the conditioner (if it is equipped)
Completely unscrew a steering wheel.
Engine turns should fall instantly when the wheel will reach extreme position and at once to be restored to the normal.
If the relay of pressure of the hydraulic booster is connected, spend the same check with the disconnected relay of pressure. Falling of turns of idling of the engine at the connected relay should be less, than at disconnected.
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