bigmime4098 Posted February 7, 2012 Share #1 Posted February 7, 2012 ok i mite just be dumb but that is the lil lever under the dash attached to the lower dash panel that two vacuum lines hook too Link to comment https://www.classiczcars.com/topic/42209-something-i-dont-know/ Share on other sites More sharing options...
5thhorsemann Posted February 7, 2012 Share #2 Posted February 7, 2012 What year & model? Link to comment https://www.classiczcars.com/topic/42209-something-i-dont-know/#findComment-380045 Share on other sites More sharing options...
SteveJ Posted February 7, 2012 Share #3 Posted February 7, 2012 The OP has a 280ZX 2+2.The FSM at XenonS130.com might shed some light. Link to comment https://www.classiczcars.com/topic/42209-something-i-dont-know/#findComment-380052 Share on other sites More sharing options...
black gold man Posted February 7, 2012 Share #4 Posted February 7, 2012 That is were you hookup a ready whip cream can for a nos boost.Just like in fast and furious. Link to comment https://www.classiczcars.com/topic/42209-something-i-dont-know/#findComment-380064 Share on other sites More sharing options...
Zed Head Posted February 7, 2012 Share #5 Posted February 7, 2012 (edited) Never mind. I thought I had translated the OP's message, but realized I don't have a clue what he's talking about. Edited February 7, 2012 by Zed Head Link to comment https://www.classiczcars.com/topic/42209-something-i-dont-know/#findComment-380070 Share on other sites More sharing options...
sblake01 Posted February 7, 2012 Share #6 Posted February 7, 2012 (edited) It's the vacuum control knob. When the A/C is on or in the vent position, when it's open you have 85% air flow to the upper vents and 15% to the floor and when it's closed you have 100% to the upper vents and none to the floor. When the heater is on it has no effect. Edited February 7, 2012 by sblake01 Link to comment https://www.classiczcars.com/topic/42209-something-i-dont-know/#findComment-380074 Share on other sites More sharing options...
bigmime4098 Posted February 7, 2012 Author Share #7 Posted February 7, 2012 oh ok thank u i never used the A/C so maybe thats y i couldnt figure it out but thanks Link to comment https://www.classiczcars.com/topic/42209-something-i-dont-know/#findComment-380097 Share on other sites More sharing options...
motorman7
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