overheating chasedown
Senior Member
Joined: May 2008
Posts: 5,649
From: Detroit suburb
Did you test the radiator cap? At what pressure does it begin relieving pressure? If the system has high pressure, it's the fault of the cap. The cap determines the system pressure. It should be between 14 and 18 psi.
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Junior Member
Joined: May 2014
Posts: 10
Problem Found: it was the head gasket. There was no visable cracks but the fiberlock sealant I put into the car was gunked up on a section between the 3 cylinder and the water line. So my guess is going to be under torqued gasket or warped head. The head is at the machine shop now getting checked out and redone. Thanks for the responses.
Junior Member
Joined: Jul 2021
Posts: 1
I was using water for test purposes. I purchased a new radiator and installed it. I ran the pressure test again and it lost pressure but this time at a very slow rate with no visible external leaks. Does this sound safe to say its a head gasket?
Also once the system gets warms its constantly boiling in to the reservoir.
Also once the system gets warms its constantly boiling in to the reservoir.
Junior Member
Joined: Sep 2021
Posts: 1
2014 Chrysler 200, overheating issues
Hey Guys, I just bought an 03 sebring with a 2.4L, its having overheating issues. Both radiator hoses become very hard as well. The fans are working and I tested the thermostat in a pit of boiling water and it opened up. I bled the system of air twice and no different results came up. I also block tested with the liquid and had no color change in the testing device. I did a compression test with the coil pack unplugged and had 105 110 105 100 on the cylinders and the spark plugs looked clean. I also ran the car with the radiator cap off to see the thermostat open and when it did water came splashing out.
I am not sure if its the water pump or the headgasket or both? I am going to rent a pressure tester today and will post results. Any insight at all would be great, I am not at all familiar with the 2.4L engine
I am not sure if its the water pump or the headgasket or both? I am going to rent a pressure tester today and will post results. Any insight at all would be great, I am not at all familiar with the 2.4L engine
Senior Member
Joined: May 2008
Posts: 5,649
From: Detroit suburb
Possible causes of overheating in no particular order:
Bad thermostat.
Thermostat installed backwards.
Bad radiator cap.
Improper mixture of antifreeze.
Clogged radiator (internal).
Clogged radiator (external).
Low coolant. (Need to find cause)
Inoperative fan(s).
Radiator hose clogged.
Engine running too lean.
Air in system (need to find cause).
Head gasket leaking to coolant.
Dirty coolant passages.
Water pump not circulating coolant.
Start with the cheapest things and work through the list until you solve the problem.
Get a new mechanic. The advice he is giving you is not good.
Bad thermostat.
Thermostat installed backwards.
Bad radiator cap.
Improper mixture of antifreeze.
Clogged radiator (internal).
Clogged radiator (external).
Low coolant. (Need to find cause)
Inoperative fan(s).
Radiator hose clogged.
Engine running too lean.
Air in system (need to find cause).
Head gasket leaking to coolant.
Dirty coolant passages.
Water pump not circulating coolant.
Start with the cheapest things and work through the list until you solve the problem.
Get a new mechanic. The advice he is giving you is not good.
Last edited by dcotter0579; Sep 7, 2021 at 09:00 PM.
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