Tech-Info Coolant

Read all information about coolant in this blog article. Our VAICO experts explain symptoms, reasons for failure and consequential damages and give recommendations.

VAICO | 17. July 2018 | Moritz Helms

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TECH-INFO

Purpose

The main purpose of coolant is to cool the motor. This prevents overheating and keeps the operating temperature constant. Coolant must also fulfill other, much more complex tasks.

Tasks

Cool the engine by the cooling system
Protect the cooler, water pumps and cooling channels against corrosion
Clean and prevent from mineral deposits

Symptoms

Engine temperature is too high
Too little coolant in the expansion tank
Oil film and oil stains in the expansion tank
Brown coolant in the expansion tank

Reasons for failure

Coolant level is too low/high
Wrong coolant
C hange interval has been exceeded
Cooling system is leaking

Consequential damages

Motor damage due to overheating
Environmental pollution due to the release of coolant
Clogging of the cooling channels
Lack of corrosion protection
Damage to the cylinder head gasket

Recommended by the experts

Have the level of the expansion tank checked regularly
Replace the coolant every 2-4 years, in accordance with the manufacturer instructions
Use a coolant specified by the manufacturer
Coolant concentrations are between -20 °C and -30 °C
Do not open the system when engine is warm

Coolant from VAICO

You can find more information at www.vierol-shop.de

Long coolant service life:
Additives and additional supplements prevent depostis and foaming of the coolant
Optimal protection of the metal components:
Corrosion inhibitors form a strong protective layer on the surface
Free from environmentally harmful substances:
based on ethylene glycol and free of potentially harmful substances such as nitrites, amines, phosphates