Auto Parts: vacuum ports, 2007 silverado hd, vacuum ports

Question
Where can I access a vacuum port or line on my 2007 silverado HD with a 6 litre engine.  I need to tap one in order to install a vacuum device.

Answer
Hi Allen,

All manufacturers place a tap on the intake manifold for un-ported uses. It will probably be near the rear of the intake. I am not exactly sure where. Some designs didn't have a nipple, only a blocked, threaded port that you'd need to remove the plug and replace with a nipple-fitting.

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Thanks for the question, I hope this information was helpful to you.
Fred
Knucklebusters Used Auto & Truck Parts, Inc.
www.knucklebusters.us
570-453-0910
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