A vehicle's engine coolant termperature sensor plays a significant role in preventing overheating. Here are four signs that it has failed and needs replacing.

Open the hood and find a place to set your multimeter. Open the coolant reservoir or radiator cap to access the coolant. Pro Tip: If you don’t see any coolant in the reservoir, or at the top of ...

In car manufacture industry (in Shanghai), we need to do leak test for coolant tank. Normally, many coolant tanks e.g. 5 have to be tested at the same time. The traditional test system has only one ...