need more info what carb or fuel inj sys is on the engine?? Rochester 4MV series
Can you please direct me to were I can get a vacuum diagram for a 1996 Seville
go to google or yahoo and do a search for "vacuum line routing edelbrock"..... it should give you alot of pages. choose the one from edelbrock.
Check all vacuum lines.
There should be a sticker located in the engine compartment that shows the emission related vacuum line routing.
Ford puts most of their vacuum hose diagrams on the air filter housing cover.
go to chevythunder.com, they have exactly what you are looking for
The vacuum that operates the doors for an ac system is created from the vehicles engine. Check under the hood for vacuum lines that have cracked or have become disconnected to start.
The automatic hubs are activated by vacuum. Check for broken or disconnected vacuum lines especially behind each front wheel.
Could be a lean condition. Check all vacuum lines.
i know one hooks to the brake booster on chevrolet's and toyota's. just follow it from there.
more than likely you have a leaking vacuum line. some of those lines are really thin, and the smallest puncture will cause a loss of vacuum.
That usually means it's lean. Check all vacuum lines and gaskets for leaks.