Hello, Mole2, thanks very much for the pictures.. they help a lot. So I check and it is definitely missing the vacuum hose, the small niple has nothing attached to it. I bought a 7/32'' ( 5.5mm) and it fits perfect in the small nipple... I also bought a 9/32'' (7.0 mm) as I was not sure, Now, where do I have to attach the other end? . I read the service manual, and could not find anything about the vacuum hose. Thanks again for the information...