Greetings,
My 1996 960 is experiencing periods where the coolant expansion tank will evacuate a small pool of anti freeze to the ground from the tank through the overflow hose. The car does not over heat but the "low volume" coolant light on the dash will come on. I have experienced this activity since having the Volvo Dealership flush the coolant system about a year ago. When this event first started, I believed that there was an air bubble in the coolant system: I turned the heater all the way up; took off the "radiator"--"expansion tank" cap and watched bubbles left the system. I have since performed that twice--the third time experiencing no more bubbles. I assumed I had evacuated the system but still have the problem. The radiator and the thermostat were replaced in late 2004. Water pump was changed with the timing belt in 2007. Any advice would be appreciated.
This is an excellent and reliable vehicle--one which has been a pleasure to own.

Currently Own:
93 940 312K Miles
96 960 300K Miles
04 S80 106K Miles