是水泵Water Pump。有时可能水泵漏。这个里程该换了，不过要查一下到底哪里漏水。网上建议…

Volvo doesn't have a regular service interval on the water pump. However, you can expect to have to replace it as early as 75,000 miles. For the most part though, water pumps start to need replacing around the 100,000-mile mark.