10 year coolant in ZJ
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CF Veteran
Joined: Jan 2015
Posts: 2,152
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From: Minnesota
Year: 1999
Model: Cherokee
Engine: 4.0L
10 year coolant in ZJ
So could I run 10 year (purple) mopar coolant in my ZJ and XJ? I figured I'd ask to see if it's possible and if there are any benefits to this? Thanks!
Old fart with a wrench
Joined: Nov 2010
Posts: 14,398
Likes: 740
From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
I WOULD NOT run OAT (purple) in your ZJ or XJ because if you have THE SLIGHTEST BIT of any other coolant in the system, it will cause corrosion of any aluminum parts, like your radiator. It also reacts with silicone seals and softens them. You'd best stick with ethylene glycol (green) coolant. JMHO.
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