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Old 12-18-2020, 10:19 AM   #13
Ernest72
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Join Date: Jul 2016
Drives: 16 Silver BRZ, 04 Silver WRX wagon
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Quote:
Originally Posted by suppjc View Post
Yup, I have a block heater. On the other hand, I might be just overthinking, considering I've been ok with other cars in the past. I'll try the hydrometer to see how the antifreeze is in the coolant and see if I need to flush, which I doubt I need to because it's still a low mileage car (~60000km). I looked up the coolant exchange process, and it seems doable. I'll see how it goes.

Thanks.
The 50/50 blue says it’s good to -62F. So you diluted it a bit. Maybe to be safe, just do your own refresh. No flush, just replace fluid in reservoir and drain radiator and replace with new 50/50 blue. All said maybe 1hr of work in your drive way. Make sure you burp the system (run the car with the heat on, until the fans come on), using a coolant overflow attachment. This will remove all the air from the system.
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