The location of the vehicle speed sensor on the gearbox.
With the ignition off, depressing the latch of the wiring harness block of the engine management system..
... disconnect the wiring harness block from the speed sensor.
Using the "27" key, we rotate the sensor by the hexagon counterclockwise and unscrew it from the sensor drive housing.
Using the "10" key, we unscrew the bolt securing the speed sensor drive..
... and remove the drive from the socket of the clutch housing.
The drive housing is sealed in the socket of the clutch housing with a rubber ring.
If the ring is damaged (breaks, cracks) we take it out of the groove of the drive housing and replace it with a new one.
Install the drive and speed sensor in reverse order.
In this case, the shank of the sensor must enter the hole in the drive shaft.