Pressure Switch Installation
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.
Applies to the 850, S70, V70 (-00), V70XC (-00), C70 (-05)
Applies to the S40 (-04), V40
Fig 3: Pressure Sensor Removal -- Applies To 740 (91-92), 760 (88-90), 780 (88-91), 940, 960, S90, V90
Applies to the 740 (91-92), 760 (88-90), 780 (88-91), 940, 960, S90, V90
Check the A/C function.