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I have seen two types of Volvo coolant. The standard green stuff, which looks like basic EG antifreeze (i.e. Prestone), and the Volvo blue-green stuff.
What is the difference between the two Volvo coolants?
Can the two Volvo types be mixed? I currently have Volvo green in my system, but have an old container of the Volvo blue-green.
Are any of the Volvo coolants compatible with standard EG types (such as Prestone), or would you have to drain the old stuff first and replace with all new?
Thanks!
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'92 240 wagon, 268k, '88 240 sedan 280k
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