Question about 2004 Chrysler 300
Lots of possibilities check the fans are coming on with out them your guaranteed to overheat
Posted on Nov 06, 2014
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Posted on Jan 02, 2017
SOURCE: 1997 Chrysler LHS is overheating
If when you replaced coolant you noticed taht it fills slowly, the radiator could be internally blocked. Usually it can be flushed or if really bad, replace it. Also have the radiator checked for hydrocarbons...any in there tells you that there is a head gasket problem.
Posted on Jun 26, 2009
In your Model :-
The automotive thermostat is a temperature controlled on and off valve. When the temperature rises to a predetermined temperature, the thermostat opens up to allow the engine coolant to flow through the cylinder block and the radiator. This flow is crucial to maintain optimum operating temperature for fuel efficiency, enhanced driveability, and engine protection. The coolant flow is reduced when the engine is cold, and the flow is increased when the engine is hot. Contrary to popular opinion, operating the vehicle without the thermostat doesn't make the engine run cooler. It will actually run hotter because there isn't a thermostat to slow the coolant flow. This means the coolant doesn't stay in the radiator long enough to dissipate its heat.
TO TEST THERMOSTAT
There are several ways to test the opening temperature of a thermostat.
One method does not require that the thermostat be removed from the engine.
Positioning a thermostat into an engine.
TO REPLACE THERMOSTAT
If the radiator is filled to the top with coolant and the engine is run without the radiator cap in place, the coolant will expand and spill over as the engine warms up.
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Posted on Oct 07, 2009
Did you burp the cooling system after you changed the thermostat and topped off the coolant? If not, click my screenname, go to Tips and Tricks, and follow the procedure there that I've written up. If this wasn't done, it'd be a very easy reason why you still overheat.
Posted on Dec 14, 2009
the thermostat on these cars is at the engine side of the lower radiator hose you will need to put the car up on jack stands and move the powersteering pump out of the way there are 2 bolts holding the housing that has your thermostat in it I recomend completely removing the lower radiator hose before attempting to remove the housing hope this was helpful
Posted on Jan 18, 2010
The thermostat is located at the end of the lower radiator hose at the engine Next to the oil filter. Sometimes it is easier to change the oil at the same time cause if you remove the oil filter it makes it easier to get to one of the bolts to remove the housing where the thermostat is. Hope this helps
Posted on Mar 28, 2010
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