| A pump is a device designed to move liquids or | | | | the center continuously. Located near the center |
| slurries from lower pressure to a higher pressure. | | | | is the inlet to the pump which allows the fluid |
| It works by using mechanical forces to push the | | | | returning from the radiator to hit the pump vanes. |
| material, either by physically lifting, or by the | | | | These pump vanes then throw the fluid to the |
| force of compression. Pumps generally fall in two | | | | outside of the pump where it can enter the |
| major categories: the rotodynamic pumps and | | | | engine. A pulley is mounted on the shaft on the |
| positive displacement pumps. The categories are | | | | outer side while on the inner side the impeller that |
| based on the method for moving fluid. | | | | acts like a centrifugal pump as well as the seal to |
| Rotodynamics pumps are based on bladed | | | | keep the coolant from leaking out are located. |
| impellors which rotate within the fluid and serves | | | | The coolant is moved by the Pontiac Water Pump |
| to convert the increase in the energy of the fluid | | | | through the water jackets into the engine cylinder |
| into pressure energy for an associated piping | | | | block then to the cylinder head and into the |
| system. A positive displacement pump causes a | | | | radiator and finally back to the pump. This is the |
| liquid to move by trapping an amount and | | | | process that removes the heat from the engine |
| displacing it into a discharge pipe. | | | | by removing the heat from the coolant before it |
| The Pontiac Water Pump is a simple centrifugal | | | | goes back to the engine. |
| pump and an important component of the cooling | | | | There are different designs of water pumps |
| system. It is a small-impeller pump responsible for | | | | depending on their purpose. The rotating impeller |
| circulating the coolant through the engine's cooling | | | | which is responsible for transmitting the coolant is |
| system whenever the engine is running. It is | | | | the commonly installed water pump. Rear wheel |
| mounted on the engine and is driven by the fan | | | | drive cars often have the fan installed on the end |
| belt, alternator belt or sometimes the timing belt | | | | of the water pump shaft. To prevent leakage |
| connected to the crankshaft of the engine. | | | | around the pump shaft, these water pumps |
| Centrifugal pumps are rotodynamic pumps which | | | | usually have spring-loaded seal. There are also |
| convert mechanical energy into hydraulic energy | | | | water pumps that have pre-packed ball bearings |
| by centripetal force meaning acting perpendicular | | | | at each end so lubrication will not be necessary. |
| to the direction of the motion of the body) on | | | | Pumps also wear internally depending on the liquid |
| the liquid. Most water pumps are centrifugal | | | | being pumped, materials used for construction and |
| pumps consisting of inlets, outlets, housing, a | | | | the operating regimen. Common problems of a |
| shaft, a rotating impeller, a volute and sometimes | | | | Pontiac Water Pump are coolant leaks, noisy or |
| a shroud. The Pontiac Water Pump uses | | | | defective bearing and damaged or corroded |
| centrifugal pump to send fluid to the outside while | | | | impeller. |
| it spins which causes the fluid to be drawn from | | | | |