You will find it on the right hinge of the trunk
It is 134.
For a 1991 Mercury Grand Marquis : " regular " unleaded gasoline , 87 octane is used for both the 5.0 and 5.8
According to the 2005 Mercury Grand Marquis Owner Guide ( and one of Fords websites ) The ( Motorcraft FL-820-S engine oil filter is used )
R134 is used in all cars after 1992 or so.
No, the Crown Vic and Grand Marq used different styles of fenders
You can view the 2002 Mercury Grand Marquis owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( page 63 has the list for the type of bulbs used on a 2002 Mercury Grand Marquis )
They run fine on 87 Regular Unleaded
On a 1997 Mercury Grand Marquis : Check the Vehicle Emission Control Information ( VECI ) decal in the front of the engine compartment , for the type of spark plug used and the spark plug gap
According to the 1996 Mercury Grand Marquis Owner Guide : With engine oil filter change : *( 5 quarts ) * engine oil dipstick is used to determine the fill amount
roughly around 275- 325 bucks range.
As far as I know , the 1991 Mercury Grand Marquis either had the 5.0 litre / 302 cubic inch V8 or the 5.8 litre / 351 cubic inch V8 engine . The 4.6 litre Single Over Head Cam ( SOHC ) engine was used in the Mercury Grand Marquis starting with the 1992 model year Firing order of the 5.0L which is the engine installed in the 1991 Mercury Grand Marquis is 1-5-4-2-6-3-7-8 rotor turns counterclockwise.
I remember two spacers used.