But many, if not most, of us have needed to replace a water pump. The inner water pump seal is subjected to pressures up to 18 psi and boiling hot water and antifreeze that age and stiffen its rubber.

The traditional manual water pump, however, is a mechanical device that brings groundwater to the surface by use of a hand crank; priming consists of wetting a leather gasket prior to use.

Replacing the water pump, pump gasket, pump retaining bolts, thermostat and engine mount bracket bolts is the correct fix. Here are the part numbers you'll need to complete the swap: Water Pump (Part ...