the same time that the oil trap box went bad, the coolant overflow kept going low. Volvo fixed the oil trap box but my coolant continued to go low even though I kept filling it so I took it to another mechanic shop and the mechanics replaced it. Then my car started stuttering and dying out on me. I ...

I have a 2007 Volvo S40. It has 51000 miles on it. A few months ago I had to have the oil trap box replaced in it . It is under recall by Volvo so the repair costs were covered. Now, my head gasket needs replaced. This is not covered by Volvo. I am concerned as to why my 07 car with only 51000 miles...