Water pump requires pride in getting the No. 1 Water Pump supplier to Japanese automobile manufactures. Lastly, if you notice steam is coming from the front of your engine as you drive or come to a stop it is an instant sign of an overheated engine. As discussed above, an engine will sustain a consistent temperature when the water pump performs properly and circulates water to a functioning radiator. Any sealant that seeps into the coolant method can be caught in the mechanical seal and cause quite quick failure of shaft seal. This can trigger quick leakage from the mounting surface. The water pump is a vital element of your vehicle's cooling program. When it fails, coolant may leak, the engine could overheat, or steam may possibly come from the radiator. Water pump failure can lead to total engine failure.