One of the most frustrating complications that can appear on a Lexus RX is to observe its temperature gauge increasing. The reality is, a gauge that rises above 90/100° is generally an indicator that your Lexus RX is heating up. If you are in this case, you made the good choice to click on this link because we will help you to locate the source and understand the motive. To make this happen, first of all, we will look into the causes for engine overheating and the hazards you run, and next, what answers are available to you to get rid of this phenomenon.

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Why is my Lexus RX overheating? What are the risks?

A Lexus RX that heats up is a symptom of a critical problem. You should not think that you will deal with it in the future because, if you do, you risk irreversibly harming the engine of your car. Indeed, if your Lexus RX heats up, and you keep driving, you just risk the breakage of your car engine. An internal combustion engine works through combustion, which triggers heat. This heat must be regulated because it can damage the engine parts. If you see white smoke starting to emerge out of your engine and you encounter a loss of power, your Lexus RX is heating up and you are harming your engine, you must stop.

What are the causes of an heating up Lexus RX ?

  • A leak in the cooling system

    If you frequently 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 detect “mayonnaise” in the area of your engine oil cap.
  • A dead calorstat
    The task of this part is to switch on the engine cooling only when the engine is at optimum temperature, if it is ruined, the coolant will never reach the engine and your Lexus RX will heat up. Check its condition.
  • A blocked radiator
    Nevertheless this situation is rarer, if your radiator is very dirty, or clogged with impurities, its cooling fins will no longer perform their job and on hot days your Lexus RX may overheat.
  • A fan that no longer operates
    Don’t forget to examine the state and operation of your fan, moreover to the air produced by the speed of your Lexus RX, it has a decisive duty 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 inescapably heat up.
  • A damaged water pump
    To finish , it is possible that your water pump is at the end of its life. Indeed, its duty is to circulate the coolant throughout the circuit, in the case of problem this action stops and your Lexus RX heats up. This may be caused by a faulty belt that has broken your pump. If this is your case, go to your garage.

How can I resolve the problem of an heating up Lexus RX?

In addition to having checked out all the auto parts that may be causing your Lexus RX to heat up, you will have to make the right moves 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 tips 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 Lexus RX.
  • Stop the engine of your Lexus RX if you go over 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 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 generates heat.

If you need more tutorials on the Lexus RX, go to our Lexus RX category.