* Consult your owner's manual: This is the best source for the exact location on your specific vehicle.
* Check a repair manual: A Haynes or Chilton manual for your year and model will have diagrams showing the fuel filter location.
* Look online: Search for "1999 Chevy Suburban 5.7L fuel filter location" on YouTube or a car forum like CarGurus or others. You may find videos or pictures showing the location on a similar vehicle.
Important Safety Note: Working with the fuel system involves flammable liquid. Take precautions to avoid sparks or open flames. If you're not comfortable performing this yourself, have a qualified mechanic do it.