Front Wheel Speed Sensor
The front wheel speed sensors are attached to the steering knuckles.
| The wheel speed sensors use pulse pick - up sensor gear with 48 teeth) to determine the speed of the front left and right wheels. | |||
|---|---|---|---|
| .P. E7290.tif | 9 | 7,5 | tiff;; |
· Service
Each front wheel speed sensor is fastened to the steering knuckle with a retainer block and does not quire adjustment. When correctly installed, there is a reference gap between the pulse pick - up sensor gear) and the wheel speed sensor of 0.5 to 1.5 mm / 0.02 to 0.06 in.
If the left or right wheel speed sensor or the load between the left or right wheel speed sensor and the control unit is defective, the ABS telltale illuminates and a trouble code is stored in the control unit.
case of a malfunction, the control unit switches the anti - lock function off. The brake system continues to operate conventionally to allow the vehicle to reach the nearest authorized Opel / Vauxhall workshop.