Install the ABS Sensor
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Remove any dirt from the sensor seat so that the sensor is in the correct position in relation to the pulse wheel.
Use compressed air to blow off any dirt on the pulse wheel.
Lightly lubricate the sensor and install it.
Tighten to 25 Nm .