The V6 will take about 6.5 quarts of oil for a complete oil change with filter.
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According to the 1996 Ford Contour Owner Guide :
With engine oil filter change :
The 2.5 liter V6 engine takes ( 5.5 U.S. quarts , 5W-30 PREFERRED )
( 5.5 quarts ) with engine oil filter change , according to the Owner Guide
4.5 quarts WITH ENGINE OIL FILTER CHANGE , according to the owners manual
9.5 quarts
In a 2004 Ford F-150 the 5.4 liter 3V engine takes ( 7 quarts ) with engine oil filter In a 2004 Ford Expedition the 5.4 liter engine takes ( 6 quarts ) with engine oil filter
5 quarts. I just changed mine last night.
According to the 2005 Ford F-150 Owner Guide : With engine oil filter change : The 4.2 liter V6 and the 4.6 liter V8 take ( 6 quarts ) The 5.4 liter V8 takes ( 7 quarts )
For the 1998 Ford Contour ( according to the Owner Guide ) With engine oil filter change The 2.0 litre four cylinder engine takes ( 4.5 U.S. quarts of 5W-30 ) The 2.5 litre V6 engine takes ( 5.8 U.S. quarts of 5W-30 )
With engine oil filter change ( 6.0 quarts ) according to the 2000 Ford Expedition Owner Guide
A litre can will hold 1.057 quarts.
According to the owner Guide , with engine oil filter change : The 3.0 liter VULCAN engine takes ( 4.5 quarts ) The 3.0 liter DOHC DURATEC engine takes ( 5.5 quarts )
With engine oil filter change : The 2.8 liter V6 engine in a ( Ford Ranger ) holds ( 5 quarts )
With engine oil filter change : The 2.3 liter , 4 cylinder engine takes ( 4 quarts ) The 3.0 liter , V6 engine takes ( 4.5 quarts ) The 4.0 liter , V6 engine takes ( 5 quarts ) According to the Owner Guide