Check for a heater control valve in the upper hose to the heater core, they stick all the time, then see if the air mix door is functioning properly on the heater itself.
PossibleThe thermostat is located on the top of the engine - just follow the top radiator hose to the top of the engine. When you remove that hose you'll the thermostat. Do you have the Automatic Climate Control?
The thermostat is located on the front of the engine under the elbow at the end of the radiator hose
Check the engine end of the upper radiator hose
you take off the intake tube follow the radiator hose the the engine that's it it is easy to change drain the coolant take out 2 bolts it has a o ring gasket
my engine runs hot on my 2000 dodge caravan how can i tell if its the water pump i already change the thermostat does not help
On a 1999 Mercury Grand Marquis , 4.6 liter V8 engine : The Original Equipment engine cooling thermostat would be : ( around 192 * Fahrenheit )
follow the top radiator hose to the engine,that bracket where the hose ends is the thermostat housing,remove that and the thermostat is under it,dont fix it replace it
Not needed as the thermostat is on top of the engine on the right.
i have the same problem. I took thermostat housing off the block, but cant get out thermostat. Any idea ?
That is one of hundreds of possibilities. See related questions below.
It's on the top, right hand side of the engine on the intake manifold. It's help in by 2 bolts. See pics here... http://www.autoclinix.com/Manifold2.htm
What size engine do you have?