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Old 12-13-2022, 08:35 PM
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Default no antifreeze
Hi,
i don't have antifreeze in my coolant and it gets very cold overnight. I drained the coolant through the radiator.
I also had leftover anti freeze that I filled into the heater core. Is that enough or can there still be enough water in the block to cause damage?
Thanks.
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Old 12-13-2022, 09:26 PM
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You still need antifreeze in the engine block. I doubt any antifreeze from the heater core made it into the block unless you ran the engine a little bit.
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Old 12-15-2022, 02:51 PM
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You'll need to run the engine with the antifreeze in the closed system.
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Old 12-17-2022, 09:19 PM
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frank,
Are you trying to drain the block of fluid for the winter?
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