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**AussieinNC** · 07-31-2020, 06:01 PM

Passenger side of intake manifold on side of top chamber is a vacuum port usually used as a blend door vacuum source....

If you dont need it, just plug it...

What vacuum ports are you wanting to add? Power brakes ?

07-31-2020, 06:01 PM	#2
AussieinNC Moderator Join Date: Jun 2017 Location: Cherryville, NC Posts: 2,157	Re: Scanningr for codes Passenger side of intake manifold on side of top chamber is a vacuum port usually used as a blend door vacuum source.... If you dont need it, just plug it... What vacuum ports are you wanting to add? Power brakes ? Attached Images __________________ Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox