Climate Control Hell
 
 Following Churchill's advice   Well, I finally made it all the way through Climate Control Hell after realizing that I was halfway through. In case you're wondering, the vent selector was not working properly. They are controlled/powered through the vacuum of the engine's intake manifold. It was a hard problem to source due to a number of factors.  Being that I've never experienced this problem before, the sourcing of a vacuum leak can be difficult, and it was hard to find a proper diagram of the engine's vacuum hoses, I'd say that I'm doing okay with it.     I tried a number of things to help in this regard, including the purchasing of:    Purchasing a new vacuum reservoir ball.  a 3-way check valve that was missing.  a new vacuum selector that was part of the climate control selector.  various vacuum hoses  a Chilton's book for the van  a Chevy service manual for the van (online).    I initially had tried the new vacuum hoses, reservoir, check valve, ...
