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  #1  
Old 12-07-2009, 09:03 PM
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Easy vac line question

Ok seems like the vac diagram sticky is all but broke,
I did a valve job on my 81 SD this weekend and the vac lines that go in the junction plug on the top of the valve cover made their way out and I have no idea how they go back in. I only found three. is that all there is, bucause under the black box every port has a hose. My car wouldnt shut down today on a few errands so hopefully it is because of these and not some other line I gotta trace down.

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Old 12-07-2009, 09:35 PM
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Yeah, only three lines, two are open.
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Old 12-07-2009, 09:38 PM
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Cool, thanks. That will help. So out of curiosity why is there openings with hoses behind them?
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Old 12-08-2009, 12:39 PM
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I can only speculate they had a bunch of these around, there's no harm in the open orifices.
This is a pic of the bottom of the unit that came off my SD.
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Old 12-08-2009, 02:37 PM
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This picture should help. This is the way those lines are on my car. Not all ports are used as you can see, I think they are to vent in certain situations.
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  #6  
Old 12-08-2009, 08:06 PM
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Thanks guys. They were a little mixed up, car is shutting off like normal now.

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