How do you repair a vacuum leak on 96 Chevy blazer?

To repair a vacuum leak on a 1996 Chevy Blazer, start by inspecting all vacuum hoses for cracks, breaks, or loose connections; replace any damaged hoses. Use a smoke test or spray carburetor cleaner around the intake manifold and vacuum lines while the engine is running to help identify the leak. Once located, tighten or replace the faulty components. Finally, clear any trouble codes from the engine's computer and test drive to ensure the issue is resolved.