I suspect the process for removing a radiator from a 1996-1999 Sable is very similar to the 2001 - so the instructions in the "Related Question" below should be an excellent start.
NOTE: please come back and edit this question and ADD your own experiences and findings!
On a 2001 Mercury Sable : The thread on cap on the engine coolant reservoir ( located in your engine compartment , on the passenger side of the engine compartment ) is the pressure cap / radiator cap
on the back of the engine u have to remove the intake to get to it
Where is ignition control module on a 2001 mercury sable
On a 2001 Mercury Sable : The battery is located in the front of the engine compartment , on the drivers side
my car has a code p1309 2001 mercury sable. What is the problem. thanks
location for fuse, and relay switch on a Mercury Sable
On a 2001 Mercury Sable : No , just front wheel drive according to my Consumer Guide book
how do i change out a power steering switch on a 2001 mercury sable with a 3.0 engine?
On a 2001 Mercury Cougar : The radiator is located in the engine compartment , at the front of the vehicle
Remove radiator cap. Push Cougar out of the way. Push a better car under the radiator cap. Install radiator cap.
The 2001 Mercury Sable does come with a CD player. If the car does not have a CD player in it, an install kit can be purchased to install a CD player.
The rear speakers in a 2001 Mercury Sable measure 6 inches by 8 inches. These speakers are located in the rear deck of the vehicle.