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My mom’s 02 4Runner has been ‘consuming’ coolant for quite sometime. It wasn’t until recently, I saw evidence of a leaking on the top of the radiator. The leak is small but I guess under pressure, it sprays out from the seams. I looked at the service manual for the vehicle and it showed that it can be repair but I don’t have the patience for it. Plus the process is long and tedious. So I decided on just replacing the radiator. I remember when the vehicle was new, the coolant was red. Where I live, the only way to obtain it is at the dealer. This was when I knew nothing about cars. Along the line, the coolant was switched to the 50/50 green premix coolant. The vehicle ran fine. I’m going to assume that the green coolant probably cause some damage to the radiator. Now when I do get the radiator, along with one other item, here is what I’m wondering: Is it imperative that I use the red coolant instead of the green? And if I do have to use the red coolant, do I have to perform a flush to get the green coolant out?
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Some people have different opinions on it. The shop I work at we use green for everything. Every single vehicle we do any work on the coolant system we put green in it. Haven’t had a comeback in years. Not one that I know of. I could ask my boss if he has ever had a comeback but I’m almost sure he hasn’t and he’s been using green forever. It works and it’s cheap. Just my 2 cents
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And I seriously seriously doubt the green coolant damaged the radiator.
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