Ereschkigal Posted June 30, 2013 Share Posted June 30, 2013 I just got my S30 and have a question.... Can someone tell me what is the marked connection ? There is a hose which just hangs down and isn't connected on the other side. Quote Link to comment Share on other sites More sharing options...
NewZed Posted June 30, 2013 Share Posted June 30, 2013 (edited) You circled the PCV system tube. It's described in the Emissions chapter. Important. http://www.nicoclub.com/FSM/ Actually the picture in the FSM isn't very good. The tube connects to a hose that runs to the PCV valve, which is screwed in to the bottom of the intake manifold. Edited June 30, 2013 by NewZed Quote Link to comment Share on other sites More sharing options...
beermanpete Posted July 1, 2013 Share Posted July 1, 2013 (edited) On the early years, up to 73, there is a small fitting on the side of the larger tube that goes to the evap system as well. Edit: I just saw you are in Germany. The evap system might be only on the US model. Edited July 1, 2013 by beermanpete Quote Link to comment Share on other sites More sharing options...
Ereschkigal Posted July 1, 2013 Author Share Posted July 1, 2013 (edited) It is a 1973 US model. Thanks. Edited July 1, 2013 by Ereschkigal Quote Link to comment Share on other sites More sharing options...
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