1996 Chevy Lumina vacuum lines

1996 CHEVROLET LUMINA
175,000 MILES • 6 CYL • FWD • AUTOMATIC
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BARITONE54
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I just replaced the intake manifold gaskets and in doing so, I have an open port on the top air intake manifold. According to the diagram, it is to connect to the transmission. I don't have any loose vacuum lines to attach. Where is this vacuum line coming from off the transmission?
Second question, when engine is hot, it will start and run rough, then stall like iit is out of fuel. I have to let it set and cool off for 30-45 min before it will start and run properly. Is is vapor lock or what?
Jul 8, 2008 at 11:07 PM
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DNAPRORACING
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http://www.2carpros.com/articles/mitchell1eautorepair-car-repair-manuals

vacuum diagram for your year/model assuming you have the 3.1L
Jul 12, 2008 at 8:11 PM