One of the most irritating concerns that can show up on a Subaru Legacy is to watch its temperature gauge rising. The reality is, a gauge that rises above 90/100° is generally an indication that your Subaru Legacy is heating up. If you are in this case, you have done well to check out this link because we will make it easier for you to find out the source and understand the cause. To get this done, firstly, we will take a look at the causes for engine overheating and the risks you run, and next, what answers are available to you to stop this phenomenon.


Why is my Subaru Legacy overheating? What are the risks?

A Subaru Legacy that heats up is a sign of a critical trouble. You should not think that you will deal with it later because, if you do, you risk irreversibly harming the engine of your car. In fact, if your Subaru Legacy heats up, and you keep driving, you basically risk the breakage of your car engine. An internal combustion engine works through combustion, which triggers heat. This heat must be controlled because it can harm the engine parts. If you see white smoke starting to emerge out of your engine and you feel a loss of power, your Subaru Legacy is heating up and you are harming your engine, you must stop.

What are the causes of an heating up Subaru Legacy ?

  • A leak in the cooling system

    If you regularly run out of coolant and refill your system on a regular basis, you may have a leak, so have your system examined for leaks. It is also plausible that it is your cylinder head gasket that is defective, in which particular case you should detect “mayonnaise” in the area of your engine oil cap.
  • A dead calorstat
    The intent of this component is to switch on the engine cooling only when the engine is at optimum temperature, if it is damaged, the coolant will never reach the engine and your Subaru Legacy will heat up. Check its condition.
  • A blocked radiator
    Despite the fact this situation is rarer, if your radiator is very dirty, or clogged with impure substances, its cooling fins will no longer accomplish their task and on hot days your Subaru Legacy could overheat.
  • A fan that no longer functions
    Be sure you verify the state and operation of your fan, moreover to the air produced by the speed of your Subaru Legacy, it has a decisive purpose in cooling your engine when it has to be the relay when you drive slower. In the instance of a breakdown and travelling at low speed, your car will inevitably heat up.
  • A damaged water pump
    To conclude, it is plausible that your water pump is at the end of its life. In fact, its role is to circulate the coolant throughout the circuit, in case there is troubles this action stops and your Subaru Legacy heats up. This could be as a result of a faulty belt that has damaged your pump. If this is your case, go to your workshop.

How can I fix the trouble of an heating up Subaru Legacy?

In addition to having examined all the auto parts that may be causing your Subaru Legacy to heat up, you will have to make the right decisions to limit the risks in case your car gets hot and you have no other alternative than to go home, or to go to your mechanic.
Here are a few suggestions if your car is overheating:

  • Reduce your engine speed but not your speed:
    Reducing your engine speed will allow you to limit the heat emitted by the engine. In contrast, try to stay in 5th gear at 70/80 km/h in order to have a large natural airflow to control the heating of your Subaru Legacy.
  • Stop the engine of your Subaru Legacy if you go above 100°:
    Don’t be in a rush, in a case of overheating, it is better to take breaks and let the engine cool down rather than pushing it and risking breakage.
  • Turn on your heater:
    Turning on the heater will let you to gets rid of some of the heat from the engine block, it is an useful solution. And in contrast, turn off your air conditioner which produces heat.

If you wish more guides on the Subaru Legacy, go to our Subaru Legacy category.