CruiZZZin 78 Posted July 4, 2007 Share Posted July 4, 2007 I have a 78 280z with heat and air and was wondering if there was a way I can test my vacuum operated water valve for leaks and to see if the valve is functioning as it should. If my vacuum water valve is good then could my vacuum source be my problem? I was also wondering where the vacuum for this water valve comes from. I didn't find the answer I was looking for using the search. All help is appreciated, thanks. Quote Link to comment Share on other sites More sharing options...
76s30 Posted July 5, 2007 Share Posted July 5, 2007 get a mini vac hand pump with a gauge . se if it holds vacuum for a a little while. vacuume source is supposed to be the vacuum tank on the strut tower. Quote Link to comment Share on other sites More sharing options...
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