2002 pontiac grand prix engine 3.1 l v6 se coolant tank bottle

If this coolant temperature sensor is broken and won’t show the correct engine temperature, the control unit or fan control unit will not know when to start the radiator fan. In both cases, the controllers use a temperature sensor to know when to start the radiator fan. Either your fan control is integrated into the motor control unit, or you have a separate fan control module. There are two types of systems in different car models. Read further down in the article for diagnosis. Remember that if the fan fuse has blown – there may be a problem with the cables or the radiator fan. The fan itself often uses a large fuse of around 50A, while there may also be a separate small fuse for the fan control module. If your car’s radiator fan is not working, check your car’s owner’s manual and find the fuse for the radiator fan controller or the fan. This is what we call a blown fuse.Ī broken fuse is no big deal, and replacing one doesn’t cost a lot of money. If there is an electrical surge going toward a piece of electronic equipment, the fuse cuts off the power supply to that particular piece of equipment and saves it from destruction. Blown FuseĪ fuse handles almost everything electrical in a car. Here is a more detailed list of the most common causes of a radiator fan not coming on: 1. While these are some of the reasons, the list is not exhaustive.

It can also be caused by a faulty coolant temp sensor, low coolant level or the fan itself can be damaged. The most common causes of why a radiator fan is not working are a blown fuse, a bad relay, or a broken wire. Conclusion What Can Cause A Radiator Fan To Stop Working?

2002 pontiac grand prix engine 3.1 l v6 se coolant tank bottle