Instructions are in the owners manual. You can probably refer to this on line if you don't have the book.
According to the 2004 Mercury Grand Marquis Owner Guide : With engine oil filter change : ( 6 quarts )
According to the 2004 Mercury Grand Marquis Owner Guide : With engine oil filter change : ( 6.0 U.S. quarts of 5W-20 )
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According to the 2004 Mercury Grand Marquis Owner Guide : The engine cooling system capacity is ( 18 liters / 19 U.S. quarts ) It came from the factory with a 50 / 50 mix of antifreeze and distilled water
According to the 2004 Mercury Grand Marquis Owner Guide : ( 19.0 US. gallons )
According to the 2004 Mercury Grand Marquis Owner Guide : ( " regular " unleaded gasoline , 87 octane )
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If your radio is the cd/tape combo, or if it has an RDS button, just press it a couple times to cycle until it tells you to set hours/minutes, then use the select arrow to change the time
On a 2004 Mercury Grand Marquis : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
( 6 ) quarts with engine oil filter change - according to the owners manual
2004 grand marquis blowing cool air cant get hot air why?