Drain radiator, long extension with socket and take it apart up on the drivers' side, pain in the neck but if you take your time it will be completed.
Not a good idea
In the thermostat housing
1994 Lincoln Mark VII doesn't exist.
This link has detailed instructions and photos http:/www.lincolnvscadillac.com/tech/lincoln-mark-viii/Thermostat-Replacement/index.htm
Bad thermostat?
Facing the front of the car with the hood open, on the drivers side follow the radiator hose down till you come to a junction where you see two bolts, that is where the thermostat is.
Yes they will
r 134
r 134
$38,876
Yes it will if the 96 is a standard Mark Vlll, if the 96 is a LSC model it won't.
Not unless you try to change the whole front end of the car.