Traci:
Bear with me, I've been doing some searching elsewhere and the following posts are copied from other sources. So take from it what you can:
Here's a person that had an issue and explains what he did:
"When the
check engine light comes on and they check it out on their computer it will show code 1289 and 1299 to fix the problem replace the
Hydraulic fan and this will fix the problem, they said it would be $1000.00 to fix . So, instead, I called my friend that is a Service manager at the Lincoln Dealer and he said to start the engine and take off the cap let it run for while until the fluid runs over the top for a couple minutes , bring up the rpm and add a little coolant put the cap on and Drive it , that was 2,567 miles ago and it has Not over heated since, but it took two weeks for the light to go out, I am not saying it will fix your problem but it is worth a try."
Here's another potential solution:
" An '03 overheated on Friday night. Since I had turned the climate control off the fan was not forced to run and the switch did turn it on as it should.
The next morning (Sat) I turned on the climate control and did all the running around in town, no problems at all.
Sunday I drove and had not problems.
Monday I drove and the temperature went to the top again and then came right back down. After I got home I considered replacing the
thermostat, but started reading the maintenance instructions and decided to take it to the dealer instead. (I was getting ready to take a 2500 mile trip and wanted to have the problem fixed)
The dealer ran test, checked the pressure, drove the car and could not make it act up.
They said that they “BURPED” the cooling system. From what I understand, they ran the engine with the cap off the
radiator and got an air bubble out of the system.
I drove the car every day from then until I left for my trip and it never overheated again.
I left on the 13th of September and returned on the 25th after driving 2500 miles and never had any problems."