The engine's vacuum is mostly controlled by the cam. You can use a milder cam to increase vacuum, or purchase an inexpensive vacuum reservoir to make better use of the vacuum you have.
You can find a 1986 Winnebago, with the Chevrolet 454 cubic engine, vacuum routing diagram at most Chevrolet dealerships. The vacuum routing diagram can also be found in most Chevrolet engine service manuals.
Check for vacuum leaks.
The 2001 Chevy Blazer vacuum switch solenoid can be found on the firewall in the engine compartment. The vacuum switch solenoid will be on the passenger side of the firewall.
There are more than a dozen vacuum lines on your 2000 Chevrolet Tahoe 5.3 liter engine. A complete vacuum line diagram can be obtained from most Chevrolet dealerships.
On a 1998 Chevrolet Blazer, the vacuum canister is typically located in the engine compartment, near the driver's side fender. It is often mounted on or near the inner fender well, close to the brake booster. The canister is a round or oval-shaped plastic component that stores vacuum for the vehicle's HVAC system and other vacuum-operated accessories. To access it, you may need to remove some components or cover for better visibility.
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.
Show diagram for Chevy 305 engine
Vacuum leak
Check for vacuum leak
Start the engine and spray WD40 on all vacuum connections. When you hear the engine RPMs increase you have found a leak.
Your question is to vague to answer. If you connected a vacuum hose to a water hose you would be ingesting water into the engine.
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