Front Complete Strut Pair For 1999-2006 Volvo S80 2001-2007 V70 2001-2009 S60. ... Air Compressor For Volvo D12 Air Compressor - 85000396,85122952,20701801, New . I have a 2001 Volvo S40 Turbo and have been having problems with the heater/AC Fan/Blower for about a year or so. The first problem is that no matter what setting I have the fan set to (off or 1-5) it will randomly turn onto full blast for a few seconds and then turn back to wherever it was originally set.
The air pressure sensor is faulty (the sensor is located behind the instrument panel on the right). The safety valve should go off. If the safety valve is clogged and does not work, the compressor head seals may fail and large amounts of air from the compressor may enter the engine cooling system. MID 144 PID 84. Parameter: Car speed signal. Fault: