My manual says fuel tank capacity is 19.0 gallons (71.9L).
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 )
5300lbs.
( 20 U.S. gallons ) according to my Chilton's repair manual
left side of dash
12 Gallons (US)
approx 20 us gallons
( 20 U.S. gallons )
at the junk yard
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
It is part of the power steering pump assembly.
Follow the Youtube instructions.