I searched the archives, but didn't see any suggestions. My 00 with 214K miles on it has a seemingly near random squeak or chirp from the driver's footwell area. It can be induced sometimes by stomping down on the wheel well bulge, and it mostly seems to happen if the body is flexing (even with power off) or vibrating, though I have heard it while the truck was driving along on a smooth surface. Anyone have any idea where I should look for a problem? Thanks.