The water pump is known to be the heart of the water-cooled engine. The water pump can be driven from the water pump belt or the timing belt. Most water pumps can be found at the front of the 2002 Volkswagen Passat engine. The water pump damage could be most likely attributed to the water pump shaft seal leaking. To determine water pump failure, you will notice a few drops of the antifreeze on the ground. So if you are planning to replace your water pump, you might as well replace the plastic impellar with a metal impellar. You can try the G3000-163313 Graf Water Pump w/ Metal Impellar and you will definitely see the difference on how your cooling system performs. The Graf Water Pump w/ Metal Impellar will pave way to correct troubles within the cooling system. This water pump is designed employing topnotch materials in the automotive market and the advance technology in order to endure the harsh pressure created by your engine and could work perfectly in any demands of the vehicle. This water pump w/ impellar can wipe out heat which is abundantly present in the engine and at the same time maintain the temperature at a controllable level. Compared to plastic impellar, the metal impellar is more effective in combating the damaging pressures that circulate within the chamber. It also has a spring load seal that thwarts water leakage development within the shaft construction. If you want to order this amazing product, you can have it in no time here in our trusted site.