Product Description
Steppen motor.
This steppen motor is ver expensive and before you order check the following.
95% of the time there is nothing wrong with the steppen motor so get it diagnosed properly first.
The resistance of this steppen motor meassured between the nummber 1 and 3 of the terminals should be between 28 and 36 Ohms Nummber 3 is in the middle and it makes no different from which side you start which means there are two terminals 3 in the middle
Also check if the valve in the valve body is not sticky.
If the resistance is with in the specs there is something mechanical wrong like an damaged pulley or a jammed valve in the hydraulic control unit.