How long can a car stay in garage if temps drop below freezing

B3422w5 said

Next two nights temps here are supposed to drop down into mid 20’s one night, upper 20’s the next night... low to mid 40’s in the daytime, before temps warm back up again.
Just wondering with just water in it, if a few hours will cause any issues where it dips below freezing
TIA

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The only time I ever had an issue with just water in something and below freezing temps was when it was a long hard freeze. Pressure washer pump ended up cracking. Closed garage and various dirt bikes with just water wetter (which offers no freeze protection) I never had issues either. Pop the radiator cap off at the most but I see no worry