| Are you driving down the highway at top speed | | | | unsure, consult a mechanic. |
| and happen to look at your odometer only to | | | | Check if the pulley is loose. If so, it is definitely |
| realize that you reached a mileage of 100000 with | | | | time to change the water pump. Also, if the |
| no major issues to your car. Slowly, you realize | | | | gasket of the water pump is leaking, you would |
| the temperature gauge and know you are in for | | | | need to change it. |
| some trouble. You smell something from the | | | | If you have been driving your vehicle for long, |
| engine coolant. You need to get rid of this before | | | | neglecting its maintenance, you are bound to |
| anything more dangerous happens. This is when | | | | experience heater core failure. This means that |
| you may need to conduct a water pump | | | | the liquid coolant to lose its protective nature and |
| replacement. | | | | become corrosive. This in turn reacts with the |
| The pump runs with the help of a belt and | | | | metals in the cooling system in the car causing |
| operates when the car engine is made to run. To | | | | rusting from within. When this happens, heater |
| do a water pump replacement, you would first | | | | core replacement would need to be done. This |
| need to park the car overnight. Place a piece of | | | | can be done either through a mechanic or by |
| paper under the car. Check if there is a leak from | | | | yourself. In order to change the heater core, the |
| the water pump the next morning. If there is | | | | cooling system of the car has to first be drained. |
| green liquid on the paper, it would indicate that a | | | | Then disassembling of the insides of the car and |
| leak is present. Turn off the engine and lift the | | | | dashboard need to be carried out. The A/C may |
| hood open. Look for the water pump pulley | | | | also have to be serviced in the process. If this |
| where the car belt is attached to. As there is | | | | seems beyond your knowledge, it would be |
| more than one pulley, look for the right one. If | | | | advisable to consult a mechanic. |