thanks for your response. I really appreciate it. The gauge went into the red area after we'd been back on the road for five minutes. Nothing on the dashboard went off to warn us about it. The coolant has been changed regularly. When we first bought the car, in 2004 (we bought it from a dealer, used...

We bought our 2002 V40 used two years ago. It now has 51,000 miles on it. Two days ago, we were driving on I-80 across Nevada, and the a/c stopped working. Then it came back on, and I noticed the temperature gauge was high. We shut off the a/c, slowed the car down, and it cooled down. Then it went u...