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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ

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Old 10-02-2017, 06:14 PM   #1
HECK EM ALL
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Used FR-S coolant question

Hey guys, about 3 months ago I bought a used 2013 FR-S with 34000 miles on it. I noticed the coolant level is low and most people recommend topping off with the OEM blue coolant, but my current coolant seems to be green. What I'm wondering is, should I top it off whith another green coolant, should I flush it and just fill it with the OEM blue coolant, or am I fine and I'm just overreacting?

Any help is appreciated. Thanks in advance!
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Old 10-02-2017, 11:25 PM   #2
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Originally Posted by HECK EM ALL View Post
Hey guys, about 3 months ago I bought a used 2013 FR-S with 34000 miles on it. I noticed the coolant level is low and most people recommend topping off with the OEM blue coolant, but my current coolant seems to be green. What I'm wondering is, should I top it off whith another green coolant, should I flush it and just fill it with the OEM blue coolant, or am I fine and I'm just overreacting?

Any help is appreciated. Thanks in advance!
The factory fill (blue) was good for 11 years. It sounds like they topped it with green which is prestone or some universal one, which mean it halves the life. Even if you flush it, per the manual, it's not good for 11 years anymore. I think the life cuts to 5 years I believe if you mix it/flush it after factory fill.

You can flush it next year to be safe.
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Old 10-03-2017, 10:14 PM   #3
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Quote:
Originally Posted by HECK EM ALL View Post
Hey guys, about 3 months ago I bought a used 2013 FR-S with 34000 miles on it. I noticed the coolant level is low and most people recommend topping off with the OEM blue coolant, but my current coolant seems to be green. What I'm wondering is, should I top it off whith another green coolant, should I flush it and just fill it with the OEM blue coolant, or am I fine and I'm just overreacting?

Any help is appreciated. Thanks in advance!
Welcome to the forum......

I think I would play it conservative and drain and flush the cooling system and refill with OEM blue stuff.


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