If you have the flip up rear glass, chances are the rubber seal is failing around the top edge or corners somewhere. Additionally, great deal of moisture ends up trapped behind that seal (along with leaves, debris, etc) and causes rust. I would start there since that is where my source was...
Failed water pump bearing.
Around 190-200 deg F.
Under hood, center, upper engine area, mounted in driver side of water outlet
In an emergency only, water doesn't provide the freezing and boiling protection of antifreeze. Also it doesn't have the lubricants and antirust additives for the water pump, radiator, etc...
Low coolant, inoperative water pump, head gasket failure, inoperative radiator fan, etc.
How do I replace water pump on 2004 jeep grand Cherokee
It sounds like there is water in the door of your Jeep Grand Cherokee because there may be water in the door of your Jeep Grand Cherokee. You can take your car to a mechanic to be sure, and if necessary, to have the door drained.
About $70
The water pump is on the front center of the engine.
yes
Failed water pump bearing.
On my 1993 Grand Cherokee, it is located just below and behind the water pump.
The water pump is powered by either a drive belt or serpentine belt. Follow the belt and you will locate the pump.
The front passenger window will not go down on a 93 Jeep Grand Cherokee if the motor or switch has failed. This is common when water gets inside the motor.
water pump or cooling fans or thermostat low coolant
YesYes
Antifreeze? Water pump?