Thanks y'all!

If the oil level sensor is bad, wouldn't it turn on the low oil light? Because it's not nor was it ever on other than for 0.5sec after starting. I might pass on that one.

Is there a drain valve for the coolant or do you yank off the lower hose like a barbarian? That blue shit is expensive and it was replaced when I had the water pump done a few months ago, so I'd like to drain it into a clean container and reuse it.

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