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When to change the coolant…

Car coolant is a vital element in ensuring the proper functioning and longevity of an engine. It regulates engine temperature by protecting the engine from overheating and freezing.

The role of coolant

The main role of the coolant is to maintain the engine temperature at 100°C to prevent overheating in summer and to act as an antifreeze in winter.

Its composition based on water, glycol and additives prevents corrosion.

It is important to note that coolant loses its benefits over time. It is therefore essential to check it regularly and replace it when it is no longer effective.

When to change the coolant?

According to car manufacturers, car coolant should be replaced after 2 to 4 years of use. It is important to check its condition every 10,000 km. The efficiency of the coolant can be diminished by a change in colour, an increase or decrease in pH, or by corrosion and/or the presence of scale.

It is therefore essential for the reliability and longevity of a motor to replace it regularly.

How to choose the coolant?

Coolant is a fluid composed of water, additives and antifreeze. If universal coolants are available, it is preferable to use a coolant recommended by the vehicle manufacturer. Indeed, some vehicle brands such as BMW, Audi, Volkswagen, Renault, Peugeot, Citroën… recommend specific coolants to get the best performance from the engine.

The indicators associated with the coolant

There are two engine warning lights on vehicle dashboards specifically associated with coolant:

  • The coolant level indicator
  • The coolant temperature indicator

The first warning light indicates to the driver that the coolant level is beginning to drop dangerously. In this case it is imperative to check the coolant level. If the level appears to be correct, the level sensor has failed.

The second warning light is much more important. When this red light comes on, it means that the vehicle’s engine is overheating. In this case, the user must necessarily stop the engine. Continuing to drive in spite of this light coming on can cause irreparable damage to the engine.

Flash Cooling

The cooling circuit drainer…
Simplicity Speed and Efficiency…
An essential operation for the longevity of the engine…
Know everything about the cooling system and coolants…