There is no need to remove the timing belt to change the thermostat.
The short answer is no.
No.No.
Yes.
The inner tie rod bushings are in the steering rack assembly and can not be service without removing and rebuilding the steering rack.
No.
Not without a specialized scan tool.
without oil filter 3.7 quarts with oil filter 4.2 quarts
very hard to change, follow the top raditor hose to intake, there is a bypass hose that loops from this hose. at the end of the bypass hose is the thermostat housing. four bolts in it. after you remove the four bolts, don't expect the housing to just come right off. if is glue on and difficult to remove and replace without it leaking.
The AC clutch cannot be replaced without physically removing the compressor on a 1997 Mercury Sable. The compressor and magnetic plate must be removed before you can access the clutch.
Without knowing the brand of hitch, that's impossible to answer.
Not without extensive work, the mounting points are different.
without oil filter 3.7 quarts with oil filter 4.2 quarts