Still overheating after EVERYTHING has been done


Asked by Dec 27, 2010 at 03:52 PM about the 2000 Chrysler Sebring JX Convertible

Question type: Maintenance & Repair

I'm looking for help with my ghostship of a car. I have literally replaced everything in the heating/cooling system. Let me start from the beginning. My car has 133,000 miles on it and I bought it back in May but it hasn't run since July. She started overheating one day and it has been an issue ever since. We have replaced the thermostat/cap, put in a new radiater, replaced the water pump, put in new cylinder heads, bypassed the heater core, purged all the air out after putting in new parts...none of that has helped. The fans work and there is no oil in the coolant to suggest cracked head. After putting in the new radiater (2nd step), it ran good for 3 days and quit running again. It hasn't run since. BUT, you can idle her all day and she won't overheat. The second you start driving away, she runs way up in temperature. We are at a loss at this point. We need help! She's in mint condition (body-wise) to give up on her. She evens run smooth before she overheats.

14 Answers

I noticed you didnt mention replacing the temperature sending unit. Why wasn't that replaced, that shouldve been first on the list before expensive repairs.

1 of 1 people found this helpful.

but the car physically overheats. Could this unit cause the car to overheat somehow? Please explain.

11 of 11 people found this helpful.

if after all these it doesn't work then u need to get it checked at a dealer

1 of 1 people found this helpful.

Had similar issue with a 2001 Sebring LXi (2.7) and found ultimately that the thermostat had been installed backwards - YES it can be installed backwards!!! I reinstalled the thermostat correctly (bulb and spring towards the engine ) and it instantly ran fine!! Just passing on some hard-won information!

5 of 5 people found this helpful.

Was your issue ever resolved Gin? I am going through the same thing. just did the head gaskets and still it over heats

4 of 4 people found this helpful.

I truly understand what you're saying about the Chrysler Sebring I have a 2005 Chrysler Sebring when I tell you I've done absolutely everything to the coolant I replace the radiator replace the water pump I replace the thermostat I replace any & everything to do with the cooling system I replaced the bleeding unit somebody anybody please tell me what is wrong with this car it is still overheating..... Suggestions or answers please !

10 of 10 people found this helpful.

you need a Combustion Gas Leak Detector for Cylinder Head Gasket Check

1 of 1 people found this helpful.

Once you are confident your head gasket is leaking, head to your local AutoZone, NAPA, Advance Auto Parts, Car Quest, O’Reilly, or Bennett auto supply or Prime Automotive to pick up a bottle of BlueDevil Head Gasket Sealer or Pour-N-Go. BlueDevil Head Gasket Sealer is activated by the temperature differential at the leak point so it only is activated where there is a leak and will not clog or harm the rest of your cooling system. You can also purchase BlueDevil Head Gasket Sealer directly from BlueDevil here: Head Gasket Sealer


also if you heather is not blowing hot air when this happen ... that a issue with you faulty water pump. if is a aftermarket try a oem one.

1 of 1 people found this helpful.

My chrysler is running hot the radiator i believe needs to be flushed cause it has rust in the water no water in my oil and no leaks what could it be

2 of 2 people found this helpful.

My 2000 Sebring JXI is overheating. What I found was that the radiator fan was not coming on. it ended up being the COOLANT TEMP SENSOR. ENGINE COOLANT TEMPERATURE SENDER. ENGINE COOLANT TEMPERATURE SENSOR. ENGINE COOLING FAN TEMPERATURE SWITCH. TEMP SENDING UNIT. TEMP SWITCH. Part Number: 04671065 this is located near the thermostat and tells the fan when to come on.

1 of 1 people found this helpful.

Was this a 2.7 engine? And wouldn't a code display on the computer if this was the issue?

The cooling system of these engines should be recalled. It is very difficult to get the air out of the system after replacing any component. Also the computer does not turn on the fans until the engine temperature reaches 215 degrees. If any kind of leak exists the coolant starts boiling out below 215 degrees. A weak hose clamp or an aged system cap will cause the coolant to boil out a little even on a 15 minute drive. Then on a longer drive you blow a head gasket or lock up the engine. Terrible design. Lowering the temperature at which the fans come on to just below the boiling point of 50/50 mix coolant would eliminate this problem.

heres one for you, got all the same problems. and had symptoms of a leaking heater core(foggy windows and wet floor) disconnected the heater core with a looping hose on the eng. car ran fine. desided to try blue devil. so I hooked up the heater hoses and added the blue devil. let it run for the 50mins. and about 10 mins to go she overheated, took it for a ride to see if it made a difference and bearly made it out of the drive way. how can adding the heater core back into a system make it over heat

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