To be absolutely certain, you should:
* Consult your owner's manual: This is the best resource for the precise location and any specific instructions for your truck.
* Look at online diagrams: Search for "[Your engine size] 2000 Chevrolet Silverado oil filter location" on Google Images or a similar search engine. You'll find many pictures that will pinpoint the exact spot.
Remember to always let the engine cool down completely before changing the oil filter to prevent burns.