It does this to relieve the pressure on the cooling system before lasting damage can be done to it. If your PT Cruiser is run for too long of a period while overheating, the head gasket may blow. Bad head gasket symptoms include white smoke coming from the tail pipe, rough idle, and oil in the coolant.
Shutting down before it overheats, or as soon as you see that it is overheating will usually prevent this from happening. If it is full, you can rule out low coolant or a coolant leak, and skip the next section. Low coolant is the most common reason that your PT Cruiser will overheat. Low coolant is a symptom of a cooling system leak of some kind. Here are some of the reasons that your coolant may run low:. There are a lot of places to look for a radiator leak. I drove off his property and went to work which is 3 minutes away.
I park and hear my engine "bubbling" and leaking some type of substance. I take it right back to the mechanic and was told it has to be my head gasket. There was another PT Cruiser an year older than mines sitting in his lot waiting to be fixed.
I'm single, only 1 income and a first time car owner. I don't have that kind of money laying around. I'm soooooooooooooooooooooo upset.
My dream car used to be a PT Cruiser. I really should have done my home work before purchasing this money machine.
Twin69gemini answered 6 years ago. Also if you don't bleed the system after changing the coolant etc you can have air pockets created by steam which will cause your car to overheat. Use the small nipple on the side of the thermostat housing I believe a 10mm and turn it slowly to loosen which if you see steam you have an air pocket.
If your coolant system is toped of you can start the car when cold if hot let sit and slowly I mean carefully open the cap if warm if the coolant shoots out you are getting combustion in the cooling system. Usually a blown head gasket at that point! I will say that if you have heard of Blue Devil engine sealer which repairs cracks, head gaskets, etc, this is a temporary fix and yes I have friends that have gone almost a year and no problems save your money and do it right!
Mechanic in a bottle is not the way to go unless you are stuck and its your last option. If you have smaller hands or access to some they will help out as well! MManuell answered 6 years ago. How can i determine whether my cap is not good enough? My 04 pt cruiser seems to cool down while driving. Lunarstar answered 6 years ago. Check the relay to the fan my pt was doing that took it in and it turn out the relay wasn't letting the fan to go on high. Only thing I can add, is use extended life coolants in your car.
Red or orange. The green stuff is centuries old technology, and when working perfectly it promotes overheating in everything. THis is from the Texaco Chemist who first invented the stuff! Re or orange has no silicates that will coat the entire interior surface of your system with a thermally resistant coating white scaley stuff you see when you look in the radiator It's not all the waters faut, mainly the green coolant.
Over time the silicates will wear off when using extended life and your system will run cooler. Seasea2 answered 6 years ago. My 02 pt cruiser keeps overheating. I've changed the fan thermostat radiator cap and the relays twice. It only gets hot when I'm at a stand still. And it starts to bubble when it's hot. Somewhere on this forum, I read that if it bubbles, so you can hear it, you need to bleed the air out of the system.
There's a 10mm fittiny on the filler spout. Said if you get steam you got air in the system, If you get water your ok. How to do this without getting boiled, I don't know. Perhaps someone else can help. Shane answered 6 years ago. Hi All we bought a PT Cruiser just over a year ago and within a week it started to over heat on several occasions! Manuel answered 6 years ago. Mother in Law had already bought a new Ford Fusion, because two different mechanics at two different shops had told her the Head Gasket was blown.
Regular Timing Belt Maintenance at 90, mile intervals, is the life blood of the engine. If the Timing Belt breaks, it will bend or break Every Valve in the motor. Cleaning the Trash from the front of the Radiator was done by me with a minimum set of tools. This seems to be a common problem on these cars. Best Regards from Wade.
I've just recently replaced: water pump and timing belt, thermostat and radiator cap, filler neck, fan belts, and overflow tank. I'm taking it tomorrow for him to run tests. Turned out to be the crankshaft sensor. Bergt answered 6 years ago. I have pt cruiser that go over the half mark then it go back down I changed the thermostat on it.
I can find out why it doest the it bubbles when I stop anyone can help me? Dear pt Cruiser owners, You would be better off investing in a new car than investing in fixing this car.
This same situation happened to me on my wonderful piece of crap Dodge Neon that the same company makes. I went through all the same bull crap that all you are going through and wasted thousands of dollars on a car that never ran right.
You will know if your head gasket is completely blown if you have smoke coming out of your exhaust. If you replace the thermostat and it does not work do not keep replacing it because that is not the issue. I would not waste another dime on these cars.
Buy something that is reliable. Your experiences are much different from mine. Not everyone can just go out and drop 20 to 30 Thousand at the dealership. We hope you enjoy your new car. WLM63 answered 6 years ago. It's one and only purpose is to heat the cabin of the car. If your car is overheating, turning on the heater can help since it does remove heat from the coolant, but again, that heat is directed to the cabin.
You have problems under the hood. Secondly, if you have bubbling in the coolant when looking into the radiator cap opening does not always mean you have a bad head gasket. It could be air in the cooling system or it is getting VERY hot. Make sure coolant and oil levels are normal AS mentioned by docwade, check the surface areas he has mentioned. This is something one can do FREE. Move on to bleeding the cooling system, again, FREE if you do it.
Make sure the front of the car is elevated front higher than the rear After that, check to see if the fans are running. If it smells like coolant, bad head gasket. Pull oil dipstick. If it looks like a milkshake instead of oil, bad head gasket. A bad gasket can introduce gases into the coolant system, a simple test from the radiator neck can determine that is the issue.
Check the parts house for the tester. Ok I have a PT Cruiser. Had replaced: radiator, water pump, sensor, fan, timing belt, had motor checked, had heads done, gaskets replaced, thermostat replaced. We replaced fuses and the bulbs, however they blew as soon as put in. Still running hot on the gauge when sitting still or at red light. Too much money in this thing. Is it something I can fix or is it unfixable to continue??? Gosh, long thread I have done the thermostat and replaced or added coolant.
I don't see a leak anywhere so i am at a loss. Maybe I should replace it next. The radiator does not look like much to me either. Not sure how that thing cools anything lol. I was thinking next step radiator cap and then try flush the radiator Karatejoe28 answered 5 years ago. Hi guys start small. What I did was change the radiator cap and thermostat and gasket. Still the temperature would rise so I did a little more reading.
When I drove the temperature would go back to middle and when at a traffic light it would go up. Checked the fan it was running but second speed which is used for when the car is stopped was not kicking in. Check the fan connection everything work. So I when to the next thing which was the coolant temperature sensor. It was 20 buck and it did the trick for me. I read people mention everything in the coolant system but the sensor.
I hope this help does how have tried everything and still are having the overheating problem. Just replace the coolant temperature sensor. It's only 20 bucks and it could save you a lot of money. Also it only took 10 minutes to replace. Wayraddad answered 5 years ago. A year and a half ago I had the same problem. And now it's happening again. They replaced the thermostat housing because they tend to crack. Mine would sound like a coffe pot all the time. Full replace fixed it.
But, went through all the other methods I could find as well. Roderick Zanders. My son has a PT Cruiser and he was having the same overheating problem. After replacing almost everything, we found out that we could only use the factory radiator fan. We initially replaced the radiator fan with one purchased from Advance Auto, but it was still running hot. I hope this helps someone.
Jonathan Maniaul. Tamara Alford tlalford. My pt needle is going up but comes back down. It never goes to the red the check engine light is not on why is it trying to overheat. Here's a link that explains what the thermostat does. Gerald mcneal. My basic model has had heart problems every time I go up hills I have to run the heart full speed I replaced the fan,the themo, and senor twice.
I have mils I think it might be my water pump nothin leaks and the cars runs great even at idea on super hot days outside my car temp starts to go up a bit without going to far I won't go up big hills on super hot days.
I have no clue what's up it not the head gastric the car runs great no issue no water in the oil. Any suggestions I was thinking lower themo housing or water pump no codes come up and a few people can't seem to figure it. Fix Your Stuff Community Store. Back Answers Index. Answer this question I have this problem too Subscribed to new answers.
Is this a good question? Yes No. Voted Undo. Score 5. What happen if you dont bleed cooling system. Most Helpful Answer. By the way, I found the bolt with the help of a friend. It is all back together. There were 2 problems. First the radiator was not allowing the coolant to circulate properly. Second, when the head overheated, the head gasket leaked. Funny thing, when 5, degrees of heat does not have coolant running constantly next to it, it wants to melt or expand things. I know this thread is old but the first thing you should do if you think your PT is running hot is to check and see if the fan will run with out the air conditioning on.
That will let you fan only run on the low setting. If it wont run, the fan is bad on the low speed, or you have a bad conection for the fan motor. That is the 1 reason for a PT to over heat. On the other side, if your air conditioning blows warm air 9 times out of 10 the High speed side of your fan is burned out or you have a bad connection in the fan connector. The high side of the fan only runs when the AC is on.
Most times to chech this really fast is to run the car with the hood up and turn the AC on. You will hear the fan speed up. The sound is quite noticeable. Our PT cruiser is having an issue also. EDIT: also i hear the fan run when the hood is up but i am not sure it is running when it should. Yeah, I def have the same problem as the OP, other than the mileage being half of what his is, and no major maintenance has been done otherwise.
This problem just started the other day. Going to start with a flush and fill, and go from there. I will let you guys know if I find anything, as OP did not report his findings, or solution. From reading this thread, there are a couple of things to check first. Any help would be appreciated, UPDATE: The thermostat could be the issue but there are a couple of things that I feel should be examined before plunging in and only focusing on the thermostat.
The problem could lie with the fan itself, low speed relay, or an electrical problem. The question is what, and how do I proceed? The fan works on high and low speeds just fine.
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