Depends on the year.
I need a lay out of all the vacuum lines for a 1991 Chevy van.
how do you hook up vacuum lines in a 1988 Chevy nova
The vacuum lines are on the roof.
That transmission is all computer controlled. No vacuum lines on it.
ontop of the tranny
A diagram of the vacuum lines on a 2006 Chevy Silverado can be find in the service manual. It outlines their location and specific function within the vehicle.
WiKi SUCKS!
There should be a sticker somewhere under the hood showing a diagram of all the vacuum lines and where they go.
as far as i m concerned you port what you are running and plug the rest
I need a diagram for the vacuum lines on a 2004 Chevy trailblazer
You usually need a constant source from the intake manifold to the power brake booster, and a spark-ported source from the carb to the distributor. There could be other emission-related lines as well, depending on the year.
Check all vacuum lines.