The warm/cool lever was really hard to move for several years, then something finally broke loose. The lever moves freely now, but it doesn't change the temperature...
I thought maybe it was the cable, but when I took off enough stuff to see the end of the cable back there, the cable is fine. It's so hard to see what's going on, and I can't make much sense of the words in the book.
Would it be the "heater control valve" back there that would have something broken inside? Might it be fix-able, or do I need to just buy a whole new valve?
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