I've been reading more than one blip about how it is possible to make a coolant level sensor for the 740/240 line and that some company whose name begins "N" makes a switch that you drill into the bottom of the overflow tank. Does anyone know about this switch, where they got it and did it work ? I'd hook it up to a beeper since I'm too burned out to take the dashboard off to hook it to the whatever light under the speedometer but I have to have some way of warning my mother in law not to drive it hot or I'll be, as someone put it so well, the "Mayor of New Headgasketland"







1990 740 178K
1999 V 70 140K my first Volvo lemon but behaving lately