ask a car dealer
Remove the bolts around the valve covers then the hoses. If your not familiar with working on cars you can take a picture of it before you start removing parts that way you will now where everything goes . Also check out youtube
What Type and Year of Mercury? (I.E., 1997 Mercury Grand Marquis.)
According to the 2001 Mercury Grand Marquis owners manual the fuse panel is below and to the left of the steering wheel , by the brake pedal , and has a cover on it
remove engine cover
Valve cover gaskets will age over time and become brittle and once that happens ... first time so you don't have to slide it around much and disturb the sealer. ... How to Change the Valve Cover Gaskets on a New Beetle · How to Change ..
With your hands
should be drivers side, near valve cover.
cadillac catera replace valve cover gasket 1997
On a 1999 Mercury Grand Marquis : In the fuse panel below and to the left of the steering wheel , by the brake pedal ( it has a cover on it ) ( # 16 is a 20 amp fuse for the cigar lighter )
On a 2000 Mercury Grand Marquis : The fuse box is below and to the left of the steering wheel , by the brake pedal ( it has a cover on it ) Also , the Power Distribution Box ( which is " live " ) is located in the engine compartment
take it in its not worth the chance of messing something up