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Old 02-12-2012, 10:05 PM
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frozen anitfreeze! help!

got my wrangler a few days ago and the idiot before must have not properly mixed the coolant cause the temp dropped into the 20s and my coolant is freezing! i woke up this morning and there was icicles hanging from my coolant cap! holy **** im worried. now the temp had dropped to 26 and idk what to do i realy dont want a freeze plug to blow or even work my block to crack. it not completely frozen..kinda slushy right now..
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Old 02-12-2012, 10:22 PM   #2
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flush the system ASAP and get a new radiator cap
26 should have no effect on it unless it is 95% water

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Old 02-12-2012, 10:26 PM   #3
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If it was me id get some new coolant, good stuff. Maybe premixed. Warm up the engine a hair to make sure the coolant is in a complete liquid state. Drain it (when its shut off) and refill. Of you do that make sure you "burp" the system when refilled.
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Old 02-12-2012, 10:28 PM   #4
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As long as it's still slushy, if you have a jug of antifreeze handy, drain a half gallon out of the jeep and add the antifreeze, crank it up and run it long enough to get warm, at least til the heater is blowing warm so it can circulate through the entire system, don't do this driving it down the road! Do this with the Jeep idling so it slowly comes up to temp, on the off chance that there is solid ice in the thermostat housing letting the engine warm up slowly will allow it to thaw and begin circulating, if you are driving and the thermostat housing is frozen solid the engine can overheat before the ice can melt and let the coolant circulate....
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