Coolant !?
CF Veteran
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
This article seems to say that in ethylene glycol based antifreeze/coolant, freeze protection lasts a long time but corrosion protection may not. Bottom line is, no coolant will turn rusty brown overnight.....owner neglect is usually the main cause of rusty brown coolant.
http://www.recycool.net/index.php?op...=14:antifreeze
http://www.recycool.net/index.php?op...=14:antifreeze
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