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Old 08-07-2008, 04:05 PM
buster buster is offline
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Does coolant expire?

I still have a good gallon of Type 2 coolant from about 3 years ago. Is it still good? I didn't see an expiration date on the jug.
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Old 08-07-2008, 04:15 PM
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If your Accord has the Honda factory fill of coolant (it's blue I believe), then you should only add Honda coolant. As long as the type 2 is the same color and is Honda coolant then you're ok.

However, if you've mixed prestone or some other brand with the factory fill then I would flush the system and refill with Honda stuff.
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Old 08-07-2008, 05:08 PM
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That I know, but is it still good? It's been in the closet for 3 years. I'm assuming it is.
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Old 08-07-2008, 05:26 PM
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It's fine.
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Old 08-07-2008, 06:33 PM
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Absolutely fine. Use without reservation.
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Old 08-07-2008, 06:48 PM
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Don't always assume color is a safe bet in terms of co-existence with other coolant. I've got a jug of blue Saab coolant that would cause the inside of a Honda motor to turn to junk within 2 weeks (gotta love chemistry).

IF the jug still has the seal, it'd be fine. If it's been opened at all, I might skip it and spend the ten bucks to replace it.

andy
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Old 08-08-2008, 05:31 PM
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As long as its Type 2 that's new, it won't go bad just sitting in the bottle.

It may be tinted very dark green, early Type 2 wasn't blue as it is now.
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Old 08-10-2008, 07:46 AM
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Quote:
Originally Posted by buster View Post
It's been in the closet for 3 years.


Its still good...if its the right stuff for your car I donno.
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