On a 2002 Ford Expedition :
The thread on cap on the engine coolant reservoir is the pressure cap /
radiator cap
" regular " unleaded , 87 octane
XLT means Extra Large Truck
Yes , 1997 was the first model year for the Ford Expedition
passenger side back plug
yes
Auto Zone will check your computer codes for FREE. Then go from there.
iin the manual that came with your expedition
Yes , XLT and Eddie Bauer are just two of the Ford trim levels
Understanding the Alternator http://www.autoshop101.com/trainmodules/alternator/alt101.html
A few hours.
( 26 gallons ) 4X2 with standard suspension ( 30 gallons ) 4X2 with air suspension ( 30 gallons ) 4X4 On 1997 to 2002 Ford Expedition
Not in my 1998 Ford Expedition XLT. I seen them on the once that where built in CANADA.