October 24, 201312 yr Hi Can anyone tell me if its important to have a specific colour coolant added to the rad or will pink or blue be ok? Cheers
October 24, 201312 yr Coolant colour isnt important as you find that it changes with different companies. What is important is that you get a coolant which is safe to use with aluminium. I use putoline coolant in my 300 racing with no problems and its a green colour
October 24, 201312 yr There are 2 types of coolant : ethylene glycol and propylene glycol. If you you use the opposite to what is already in then it will eat away at your your aluminium components. Generally speaking green/blue colours are the same and red/orange are the same.
October 25, 201312 yr Whichever you decide to use stick to one type and thoroughly flush your coolant system with a cleaner approved for use on aluminium before refilling. Traditional antifreeze containing Mono Ethylene Glycol.This Engine Coolant Concentrate to BS 6580-2010. is my preference. There seems to be quite a few cases of clogging / reaction when the red long life antifreeze is used.
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