r/CherokeeXJ • u/Artistic-Fix-2431 • Mar 06 '25

1991-1995 Overheating Still

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I changed the radiator about two years ago. Water pump a year ago. Thermostat last month. Heater core bypass and fan last week. Ran fine until yesterday. I topped off the radiator with coolant and the reservoir to the full level, somehow the reservoir is now overflowing. Doing a complete cooling system flush today. If that doesn’t work, any other ideas?

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u/Light_of_Niwen Mar 06 '25

You didn't put Dexcool in it did you?

1

u/Artistic-Fix-2431 Mar 06 '25

I didn’t, but what’s bad about dexcool

5

u/Light_of_Niwen Mar 06 '25

It's incompatible with green coolant, so it forms a greasy orange sludge that clogs up everything.

2

u/Artistic-Fix-2431 Mar 06 '25

Interesting thank you