Quote:
Originally Posted by ERA Chas
Every two seasons as a maximum. Three is adequate. Watching the condition of the hoses is more important.
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I agree with that... and I don't have the little block drain petcocks. I have to do it the old fashioned way....
. But I do crack the temp sensor to let air out of the manifold. Regardless, it's a PITA no matter what way you cut it.