Mod DescriptionJust in case you can't read German
Mod DetailsPremiumNo Difficulty Mod ID828 Creditevilution For Linkhttps://www.evilution.co.uk/mod/chargecooler-fluid-info.htm Copy to Clipboard
Like the engine, the chargecooler has to run on a mixture of water (coolant) and glycol (antifreeze) to stop it getting too hot in the summer and stop it from freezing in the winter.
If you just used water in the chargecooler you would soon have troubles. As soon as the temperature goes below 0 °C the water would freeze.This would stop the pump from spinning which will cause it to burn out and when water turns to ice it expands which can split the metal fins inside the charge cooler or the cooling radiator.
The label on the chargecooler does explain what is required but a lot is lost in translation. The short, easy to understand version is 50% antifreeze, 50% water. This is good to protect the system from freezing all the way down to -37°C.
You can mix your own if you wish using normal tap water if you don’t live in a hard water area. Cheap mineral water is a good option if you live in a hard water area.
The easier method is to buy premixed coolant. Ensure it is a 50:50 mix and is suitable for aluminium. Premixed engine coolant from smart will be fine but probably over priced.
Smart have a document for engine coolant/antifreezes called Sheet 325.0
|Addinol Antifreeze Super||Germany|
|Aral Antifreeze Extra||Germany|
|Avia Antifreeze APN||Germany|
|Fuchs Fricofin Antifreeze||Germany|
|Glysantin Anti Korrosion||Germany|
|Glysantin Mit Protect Plus||Germany|
|Hightec Antifreeze AN||Germany|
|MB 325.0 000 989 08 25||Germany|
|MB 325.0 000 989 21 25||Germany|
|Procar Kuhlerschutz Extra||Germany|
|Castrol Antifreeze NF||England|
|Agip Antifreeze Extra D||Italy|
|Agip Antifreeze Plus||Italy|
|Powercooling Concentrate Antifreeze||France|
|Total Antifreeze and Summer Coolant||France|
|EuroPeak Coolant Antifreeze||USA|
|Mobil GS 333 Extra||USA|
|Valvoline Antifreeze Extra||USA|
|Engen Antifreeze and Summer Coolant||South Africa|
|Engman’s – Super Antifreeze Coolant||South Africa|
|Sasol Freezol||South Africa|
|Shell Tri Guard||South Africa|
|Krafft Refrigerant ACU 2300||Spain|
|Anticongelante Diator Premium||Mexico|
|Caltex CX Antifreeze Coolant||Belgium|
|ESA Frostschutz G05||Switzerland|
|ESA Antifreeze G48||Switzerland|
|Motorex Antifreeze G05||Switzerland|
|Motorex Antifreeze Protect G48||Switzerland|
|Panolin Anti-Frost MT-325||Switzerland|
|Dragon Power Coolant A||Korea|
|EVOX Extra G48 Antifreeze Concentrate||Hungary|
|Fridex G48||Czech Republic|
|INA Antifriz Al Super||Croatia|
|PO Ozel Antifriz||Turkey|
|BASF Coolant G05-23/50||Germany|
|Total Coolelf MDX-37||France|
|Smart A 000 989 08 25||UK|
Smart have never suggested the correct capacity of fluid for this system. At a guess I’d say 2.5 litres.
The level of the chargecooler fluid should be checked monthly for signs of fluid loss. Although losing all the fluid won’t really affect the engine all that much, running the system dry are having an airlock in particular areas of the system could cause the motor to overheat or burn out.
The level should be kept around the bottom of the filler neck. The small air gap allows for expansion of the fluid through trapped air but allows the system to retain a slight pressure.
If you drain and refill the system you will notice the level will fall over a week or so as you use the car. This is because the trapped air is being forced through the system and eventually collects in the chargecooler. Just top it up each time until the level stops dropping.