In a 2003 Ford F-150 :
With engine oil filter change :
The 5.4 liter V8 engine takes ( 6.0 U.S. quarts ) according to the Owner Guide
6 quarts with filter change
According to the 2003 Ford F-150 owners manual : With engine oil filter change : ( 6 quarts ) for the 4.2 liter V6 , 4.6 and 5.4 liter V8 engines
According to the Owner Guide : With engine oil filter change : The 4.6 liter V8 engine takes ( 6.0 quarts ) The 5.4 liter V8 engine takes ( 7.0 quarts )
6 quarts with filter change
I believe that is ( 6 quarts - U.S. ) with engine oil filter change
5 Qts. of motor oil ( 6 quarts with filter )
( 6 quarts ) WITH ENGINE OIL FILTER CHANGE - according to the owners manual for the 4.2 liter V6 engine
( 6 quarts ) of 5 W 30 engine oil with filter change
6 quarts with filter change , according to the Owner Guide
According to the 2003 Ford F-150 Owner Guide : With engine oil filter change : The 4.2 liter V6 engine takes ( 6.0 U.S. quarts / 5.7 litres of 5W-20 engine oil )
( 6 U.S. quarts / 5.7 liters ) with engine oil filter change
In a 2005 Ford F-150 , 5.4 liter V8 engine : With engine oil filter change : ( 7 U.S. quarts ) ( 2004 and newer F-150 with the 5.4 liter 3V engine take 7 quarts )