The oil can be changed like any other car. Meaning jack up the car, remove the oil plug on the oil pan. Let the oil drain out of the engine. Replace the plug, then move to the oil filter. Slowly remove the filter finish draining out the oil in the filter. Filter can hold about a quart of oil. Clean the area before replacing the new filter. Apply i little oil the the o ring on the new filter, the install it. Put in Lincoln recommended oil in it. 5w 20. You can use other brands they will work the same. It will take 6-7 quarts. Mine takes 7 and it is the 3L 6 cyl.
According to the 2005 Lincoln LS Owner Guide : With engine oil filter change : The 3.9 liter V8 engine takes ( 6.5 quarts of engine oil )
According to the 2001 Lincoln LS Owner Guide : With engine oil filter change : For the 3.9 litre V8 engine ( 6.0 U.S. quarts of 5W-30 engine oil )
I was looking at the ( 2004 ) Lincoln LS Owner Guide and it shows : For the 3.9 liter V8 : With engine oil filter change ( 6.5 quarts of engine oil )
According to the 2006 Lincoln LS Owner Guide : With engine oil filter change ( 6.5 quarts )
According to the 2000 Lincoln LS Owner Guide : With engine oil filter change : The 3.0 liter V6 engine takes ( 6.7 U.S. quarts )
According to the 2002 Lincoln LS Owner Guide , the 3.0 liter V6 engine takes ( 6.9 quarts ) with engine oil filter change
According to the 2004 Lincoln LS Owner Guide : For the 3.0 litre V6 engine : With engine oil filter change : ( 6.5 litres / 6.9 U.S. quarts of 5W-20 engine oil )
According to the 2001 Lincoln LS Owner Guide : For the 3.9 litre V8 engine : With engine oil filter change : ( 5.7 litres / 6.0 U.S. quarts of 5W-30 engine oil )
were are oil stick located on lincoln Ls 3.9 v8
According to the 2004 Lincoln LS Owner Guide , the 3.0 liter V6 engine takes : ( 6.9 quarts ) with engine oil filter change
According to the 2005 Lincoln LS Owner Guide : With engine oil filter change : For the 3.0 litre V6 engine ( 6.9 U.S. quarts ) For the 3.9 litre V8 engine ( 6.5 U.S. quarts ) * of 5W-20 engine oil
According to the 2001 Lincoln LS Owner Guide : For the 3.0 litre V6 engine , with engine oil filter change : ( 6.5 litres / 6.9 US. quarts of 5W-20 engine oil is used )