Where is the PCV valve located on a 2000 Chevy Tahoe?

The PCV valve on a 2000 Chevy Tahoe (with the 4.8L or 5.7L engine) is typically located on the top of the valve cover, near the back of the engine. It's a small, usually black, plastic or metal valve. However, the exact location can vary slightly depending on the specific engine configuration.

To be absolutely certain, it's best to:

1. Consult your owner's manual: This is the most reliable source for your specific vehicle.

2. Use a repair manual (like a Haynes or Chilton manual): These manuals often have detailed diagrams showing the PCV valve location.

3. Use an online parts diagram: Many auto parts websites (like AutoZone, Advance Auto Parts, etc.) allow you to select your year, make, and model to view diagrams of your engine. Search for "PCV valve" or "positive crankcase ventilation" within the diagram.

Visually inspecting the top of the valve cover with the engine cover removed is the most efficient way to locate it once you have a general idea of where it should be.