Posted by JohnD [71.246.87.197] on Friday, May 02, 2014 at 19:15:24 :
In Reply to: Re: Vacuum leak help posted by Arthur on Shelter Island [67.84.143.155] on Friday, May 02, 2014 at 17:10:23 :
Another good method is to spray some WD40 or similar oil where you hear the hissing. The leak will suck the oil in, and the hissing will go quiet at the same time.
I do like the propane idea also, even if it is only make believe.