You can see from the opening on your rear fender above the rear tire. There is a gap between the body and your car's full frame(it's about 2.5-3" gap). To turn the nut you need to reach in on the passenger side shock with your left hand beside the coil spring through the frame( has a hole) with a wrench to the nut. You just get enough room to turn. Undo this nut first and do the bottom after. If the nut is very stubburn you might need to use a nut splitter. Good Luck it is doable!
In the trunk.
Follow the Youtube instructions.
5300lbs.
because heat core was removed?
left side of dash
approx 20 us gallons
( 20 U.S. gallons )
at the junk yard
It will fit, but you will have to worry about the computer.
According to my Chilton's Auto Repair manual : For a 1989 Mercury Grand Marquis : With engine oil filter change : Both the 5.0 / 302 and the 5.8 / 351 take ( 5.0 U.S. quarts )
Yes, a person can get a diagram of the PCV valve location in a 1989-1999 Mercury Grand Marquis. This diagram would be located in the maintenance books found in auto part stores.
its on the passenger side front near the front tire