Most likely it's the heater control valve. If the heater control valve leaks a little it can allow a small amount of heated engine coolant to circulate through the rear heater core.
I had this too and found the answer today...apparently LINK PINS!
what is a Chrysler 2004 I am not up to date with this model of car.
Not using premium fuel caused that in my 2004 Navigator.
A dead battery would not cause an engine to seize
2004 sedona's have a tanny cooler in the front to keep it from overheating like a small rad if one of the lines are bad or damaged it will from the bumper (front) area
The cause of the whining noise in the front end of a 2004 supercharged Monte Carlo, especially during cold weather, is the idler pulley. This is located at the driver's side of the engine between the alternator and a/c pump.
Front Row - 2004 was released on: USA: 15 September 2004
A gas leak.
There are two long air filters in the passenger side glove box. These will definitely cause air flow problems in the front if they are dirty.
I had a similar problem with my 2004 Jeep Grand Cherokee and it turned out to be my front sway bar bushings and front sway bar link. The sound was a large clunk sound when I went over bumps. After I got it fixed there were no problems.
First check to see if something is rubbing the tire like maybe a loose fender well. It could also be a wheel bearing.
What is the fluid capacity front differential 2004