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#4804802 - 07/04/18 09:16 AM Shelf life for unopened Toyota red coolant?
Bama Offline


Registered: 05/25/05
Posts: 35
Loc: Alabama
Anybody know the shelf life for unopened (foil seal intact) Toyota red coolant? I've got a jug that's about 4 years old and wondering whether to use or toss it.
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#4804807 - 07/04/18 09:19 AM Re: Shelf life for unopened Toyota red coolant? [Re: Bama]
dogememe Offline


Registered: 04/15/17
Posts: 692
Loc: SF BAY AREA, CA
Originally Posted By: Bama
Anybody know the shelf life for unopened (foil seal intact) Toyota red coolant? I've got a jug that's about 4 years old and wondering whether to use or toss it.


I don't have data but I wouldn't stress it about it and would definitely use it without hesitation - most people leave coolant in their car for way more than four years and that's not in a brand new sealed container.


Edited by dogememe (07/04/18 09:19 AM)
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#4804828 - 07/04/18 09:32 AM Re: Shelf life for unopened Toyota red coolant? [Re: Bama]
Warstud Offline


Registered: 09/02/05
Posts: 5492
Loc: MIchigan
I see you have two Toyotas...replace the fluid on the oldest one.

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#4804841 - 07/04/18 09:40 AM Re: Shelf life for unopened Toyota red coolant? [Re: Bama]
Gebo Offline


Registered: 09/18/02
Posts: 2153
Loc: VA
IDK but I don't see why an unopened sealed container wouldn't last "forever."
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#4804846 - 07/04/18 09:45 AM Re: Shelf life for unopened Toyota red coolant? [Re: Gebo]
pbm Offline


Registered: 04/19/04
Posts: 7636
Loc: New York
Originally Posted By: Gebo
IDK but I don't see why an unopened sealed container wouldn't last "forever."


I agree.
I used an unopened container of Zerex traditional green that was at least 15 years old in a Hyundai a few years ago....when I replaced the timing belt and water pump 2 years later the WP looked like new....
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#4804847 - 07/04/18 09:46 AM Re: Shelf life for unopened Toyota red coolant? [Re: Bama]
Trav Offline


Registered: 11/20/06
Posts: 19280
Loc: MA, Mittelfranken.de
I don't have an exact time frame but the way antifreeze/coolant wears out (heating and cooling cycles break down the add pack) which it is not doing in a sealed jug I would say many many years.
I had a 20 yrs old jug of shell that had been opened long before I found it in a car and when I dumped it it still looked like new with no dropout.
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#4804899 - 07/04/18 10:29 AM Re: Shelf life for unopened Toyota red coolant? [Re: Bama]
maxdustington Offline


Registered: 01/21/17
Posts: 843
Loc: Toronna
Any automotive fluid in a sealed container will probably outlive you. Leave it in the sun for a while and shake it up before you use it.
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#4805000 - 07/04/18 12:59 PM Re: Shelf life for unopened Toyota red coolant? [Re: Bama]
Reddy45 Offline


Registered: 08/15/08
Posts: 3022
Loc: USA
That same coolant in your car will undergo far more temp extremes and encounter a lot of varied conditions.

So it sitting on a shelf in a sealed container is heaven in comparison.

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