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.