* Your Owner's Manual: The best place to start is your owner's manual. It should have a diagram, or at least a section describing the belt routing.
* Online Repair Manuals: Websites like Chilton, AllDataDIY, and Haynes offer online repair manuals (often subscription-based) that include detailed diagrams and instructions for various car repairs, including serpentine belt routing.
* Repair Manuals (Physical): Auto parts stores often sell physical repair manuals for specific car models. These manuals usually have diagrams and instructions.
* YouTube: Search YouTube for "2003 Chevy Impala serpentine belt routing diagram." Many videos show the process visually. Be cautious and cross-reference the information with other sources, as the accuracy of YouTube videos can vary.
* Auto Parts Store Websites: Websites of major auto parts stores (like AutoZone, Advance Auto Parts, etc.) sometimes have diagrams or routing information available for specific makes and models. You might need to enter your vehicle's information to find it.
Important Note: When replacing a serpentine belt, it's crucial to have the correct routing. Incorrect routing can damage the belt and other components. If you are unsure about the process, it's best to consult a professional mechanic.
