A great resource for that are Mitchell repair manuals. They're rather expensive, but your local library should have them, although most won't let you check them out. Since they are reference materials, libraries will let you use their copier.
You can get a 1996 Chevy Corvette vacuum hose schematic diagram at most Chevrolet dealerships. Your local library will have Chevrolet Corvette service manuals with the diagram.
You can find a detailed vacuum hose schematic for a 1984 Oldsmobile Cutlass Supreme in the car's owner's manual. You can also check with local auto stores.
A vacuum hose diagram, for your 1987 Monte Carlo, can be obtained from most Chevrolet dealerships. The vacuum diagram can also be found at many auto-parts stores.
When making any changes to a car, it is important to have a diagram for a guide. A diagram for a 1987 GMC Jimmy vacuum hose system can be found in its manual.
Well there are lots of possible reasons, BUT Li key it is a vacuum leak, either the hose of Brake booster, and or intake is / has a leaking vacuum line.
It is located underneath the hood. You might have to clean it off with a rag to read it.
Try the dealer Parts Department, they have all the service manuals an what u need.
Take a vacuum hose off at the intake manifold and put a vacuum gauge on the port, then read the vacuum with the engine running.
If you are talking about the emission control system vacuum schematic, purchase a Haynes manual and turn to page 6-2.
When making any changes to a car, it is important to have a diagram to help. A 1987 Mitsubishi Mighty Max wiring and vacuum hose diagram can be found in its maintenance manual.
The best way to repair a vacuum hose on your Chevrolet is to replace the vacuum hose. The vacuum hose is held in place with a retaining clamp on each end of the hose.
There should be a vaccuum hose schematic on a sticker somewhere in the engine compartment.