# 2.3Liter engine takes 5.0L of oil # 3.0Liter engine takes 4.5L of oil
5 quarts.
R-12 is not sold anymore.
5 Quarts
5
More information please - what year ? what engine ?
That would be the 4.6 liter engine, which takes six quarts. * of 5W-20 according to the 2003 Mercury Mountaineer Owner Guide
( 5 quarts ) with engine oil filter change for the 4.0 liter SOHC , V6 engine in a 2006 Mercury Mountaineer
( 6.0 quarts ) with engine oil filter change , according to the Owner Guide
Have to take off the head, it's there.
According to the 2004 Mercury Grand Marquis Owner Guide : With engine oil filter change : ( 6.0 U.S. quarts of 5W-20 )
Take out the olod radiator, put in the new one and done
According to the 2004 Mercury Grand Marquis Owner Guide : With engine oil filter change : ( 6 quarts )