You can view the 2003 Ford Explorer owners manual online at :
www . motorcraft service . com ( no spaces )
Click on Owner Guides
replacing 2003 fore explorer sport front wheel bearings
i found mine on google it was a pdf file.
You can download the manual at: http://www.motorcraftservice.com/pubs/content/~WO3F12/~MUS~LEN/36/03f12og5e.pdf
( 5 w 20 ) for the 4.6 L - V8 in a 2003 Ford Explorer , according to the owners manual
5 w 30 ( according to the owners manual )
The fuel tank size for the 2003 Ford Explorer Sport is ( 16.8 gallons / 63.6 liters ) according to the owners manual
The 4.0 L - SOHC - V6 engine uses ( 5 W 30 ) according to the 2003 Ford Explorer owners manual
According to the 2003 Ford Explorer owners manual : ( DOT 3 brake fluid , meeting Ford specification ESA-M6C25-A )
The 2003 Ford Explorer owners manual shows Motorcraft FL - 820S for both the 4.0 L SOHC and the 4.6 L V8 engines
63.6 liters ( 16.8 U.S. gallons ) according to the owners manual
The 2003 Ford Explorer owners manual shows : 6 quarts ( 5.7 liters ) WITH FILTER CHANGE for the 4.6 L - V8 engine
Go to www.helminc.com , the price is $25.Good luck!Tony