One of the most bothersome concerns that can show up on a Opel Astra is to see its temperature gauge rising. The truth is, a gauge that rises above 90/100° is in most cases a sign that your Opel Astra is heating up. If you are in this case, you took the good decision to click on this website link because we will make it easier for you to identify the origin and understand the cause. To make this happen, in the beginning, we will take a look at the causes for engine overheating and the risks you run, and next, what possibilities are available to you to eliminate this phenomenon.


Why is my Opel Astra overheating? What are the risks?

A Opel Astra that heats up is an indicator of a major problem. You should not think that you will manage it in the future because, if you do, you risk irreversibly injuring the engine of your car. In reality, if your Opel Astra heats up, and you keep driving, you basically risk the breakage of your car engine. An internal combustion engine works through combustion, which causes heat. This heat must be regulated because it can harm the engine parts. If you see white smoke starting to surface of your engine and you feel a loss of power, your Opel Astra is heating up and you are injuring your engine, you must stop.

What are the causes of an heating up Opel Astra ?

  • A leak in the cooling system

    If you repeatedly run out of coolant and refill your system regularly, you may have a leak, so have your system checked out for leaks. It is also possible that it is your cylinder head gasket that is defective, in which case you should recognize “mayonnaise” in the area of your engine oil cap.
  • A dead calorstat
    The intent of this part is to switch on the engine cooling only when the engine is at optimum temperature, if it is broken, the coolant will never reach the engine and your Opel Astra will heat up. Check its state.
  • A blocked radiator
    Despite the fact this scenario is rarer, if your radiator is very dirty, or clogged with impure substances, its cooling fins will no longer achieve their job and on hot days your Opel Astra could overheat.
  • A fan that no longer operates
    Make sure to examine the state and performance of your fan, additionally to the air produced by the speed of your Opel Astra, it has an important purpose in cooling your engine when it has to be the relay when you drive slower. In the event of a breakdown and travelling at low speed, your car will inescapably heat up.
  • A damaged water pump
    Finally, it is possible that your water pump is at the end of its life. In reality, its duty is to circulate the coolant throughout the circuit, in the event of problem this operation stops and your Opel Astra heats up. This could be because of a faulty belt that has harmed your pump. If this is your case, go to your garage.

How can I resolve the problem of an heating up Opel Astra?

In addition to having checked out all the auto parts that may be causing your Opel Astra to heat up, you will have to make the right resolutions to limit the risks in case your car gets hot and you have no other solution than to go home, or to go to your repair shop.
Here are a few recommendations if your car is overheating:

  • Lower 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 Opel Astra.
  • Stop the engine of your Opel Astra if you go above 100°:
    Don’t be in a hurry, 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 allow you to gets rid of some of the heat from the engine block, it is an useful answer. And in contrast, turn off your air conditioner which produces heat.

If you have any additional questions about the Opel Astra, do not hesitate to consult our Opel Astra category.