You can used 10w30 or 10w40
The 2003 Ford Expedition runs on regular unleaded.
A 2003 Ford Expedition will take 5 gallons to refill the radiator. Ford recommends you use Motorcraft Premium Gold engine coolant.
use your hands Xd
According to the 2003 Ford Expedition Owner Guide : For the 4.6 and 5.4 litre V8 engines : ( " regular " unleaded gasoline , 87 octane )
5W-20 , according to the Owner Guide
check to make sure it doesn't use watch batteries
Use a T-40 Torx bit and unscrew the two bolts retaining it.
The 2008 Ford Expedition runs on regular unleaded.
The 2007 Ford Expedition runs on regular unleaded.
The 2001 Ford Expedition runs on regular unleaded.
The 2005 Ford Expedition runs on regular unleaded.
The 2006 Ford Expedition runs on regular unleaded.