Evidently there are two drain holes at the bottom of the doors that are designed to allow any water that collects in the doors to drain out. If they become clogged the door becomes a water jug. If the vehicle is parked on an incline and only the downhill drain is clogged, same result until the vehicle is at an angle that allows the other drain to do its job.
All 4 doors speakers on the Ford Expedition are 6x8.
No, a 1997 Ford F150 doors will not fit on a 2001 Expedition. You will need to get a door that is made specifically for the Expedition.
Check parking/tailight fuse
The electric fuel pump is INSIDE the fuel tank on a 2003 Ford Expedition
The electric fuel pump is INSIDE the fuel tank on a 2004 Ford Expedition
On all doors front and rear 6x8.
Heat control is by air flow control doors in the a/c and heater box. There is no water valve.
6x8 in front doors and rear doors + 8" subwoofer if so equipped with audiophile stereo.
Buy a new 2000 ford expedition
Safety, so you can't lock people inside.
It is inside the fuel tank.
6X8 inch speakers for front and rear doors.