If the spare tire is under the truck:
1. Locate the access panel: This is usually located under the truck bed, sometimes near the rear bumper. You might need to remove a panel or cover.
2. Lower the spare tire: There's typically a crank or a winch system to lower the spare. Consult your owner's manual for the exact location and instructions for operating the lowering mechanism. This usually involves turning a crank or using a handle to wind down the cable.
3. Detach the spare tire: Once lowered, the spare should be relatively easy to unhook. There might be a strap or a simple latch holding it in place. Carefully detach the securing mechanism.
4. Remove the tire: Carefully lift and remove the spare tire.
If the spare tire is in the tailgate:
1. Open the tailgate: Fully open the tailgate.
2. Remove the access panel: There is usually a panel or cover on the inside of the tailgate which needs to be removed. This often involves removing screws or clips.
3. Remove the spare tire: The spare tire will likely be held in place with a retaining strap or bolt. Unfasten this mechanism. You may need to lift the tire out.
Important Considerations:
* Owner's Manual: Your 2003 Chevy Silverado owner's manual will have the most accurate and detailed instructions for removing your specific spare tire. This is the best place to start.
* Tools: You might need a wrench or other tools to remove any fasteners or straps holding the spare tire in place.
* Weight: Spare tires can be heavy. Get help if you're concerned about lifting it safely.
* Jack: You'll need a jack to change a flat tire once you've removed the spare. Ensure you have the correct jack and know how to use it safely.
If you're unsure about any part of the process, it's always best to consult your owner's manual or seek assistance from a qualified mechanic.