Installing the charge air pressure 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.
Carefully check the rubber seal and apply a bit of Vaseline.
Make sure the pressure sensor is facing right side up before pressing it down into the charge air cooler.
Check that the two projecting edges (A) enclose the pressure sensor and hold it in place.
Reinstall the nut and tighten to 10 Nm . Plug in the connector.