It's on the top, right hand side of the engine on the intake manifold. It's help in by 2 bolts. See pics here...
http://www.autoclinix.com/Manifold2.htm
how to change a valve cover gasket on a 97 mercury grand marquis ?
NO belt in the 302cid engine of a 1988 Mercury Grand Marquis. it is a chain with gears
The thermostat is located on the front of the engine under the elbow at the end of the radiator hose
Mercury Grand Marquis was created in 1983.
Because the plastic housing is cracked. That is what happened to mine.
Check the engine end of the upper radiator hose
On a 1999 Mercury Grand Marquis : The Original Equipment engine cooling thermostat would have been ( around 192 * Fahrenheit )
On a 1999 Mercury Grand Marquis , 4.6 liter V8 engine : The Original Equipment engine cooling thermostat would be : ( around 192 * Fahrenheit )
( 5 quarts with filter change ) according to the 1999 Mercury Grand Marquis owners manual
( 6 quarts with engine oil filter change ) according to the 2003 Mercury Grand Marquis Owner Guide
how to replace starter on 2000 mercury grand marquis
what is a fire order for 1998 mercury grand marquis