According to the 1997 Lincoln Town Car owners manual it came from the factory
with an engine coolant meeting Ford specification ( ESE-M97B44-A )
( that would be GREEN in color )
The coolant temperature sensor on a 1997 Lincoln Continental is located on top of the engine, near the upper radiator hose. It constantly relays the engine's temperature to the computer.
Do you mean flush the oil (not recommended) or flush the coolant?
On a 1997 Lincoln Town Car : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
Green
On a 1997 Lincoln Town Car : The thread on cap on your engine coolant reservoir is your pressure cap / radiator cap
In the coolant reservoir in front of the engine.
In the radiator in the front of the engine
Which engine do you have?
According to the various models Owner Guides : With engine oil filter change : 1997 Lincoln Continental ( 5.7 liters ) 1997 Lincoln Mark VIII ( 5.7 liters ) 1997 Lincoln Town Car ( 4.7 liters )
The coolant drain plug is located on bottom corner of radiator facing engine.
A 1997 Chevy Cavalier uses a standard 50/50 mix of antifreeze coolant and water. This keeps the engine from overheating and from freezing in the winter.
The coolant temperature sensor on a 1997 Tacoma is located on the front of the engine. To find it follow the upper radiator hose to where it enters the engine. The sensor will be place near it.