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Q: Why does car overheat until thermostat opens then runs fine?
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Your temp gage goes up then back down when idling?

It is normal for a temperature gauge to go up a little bit until the thermostat opens up and the cooling fan comes on. As long as it is not going out of the normal temperature range it is fine.


If thermostat and timing and water is circulating right what would make a tbi 350 get hot at first and then whenit opens work fine after that unless its cold?

either faulty thermostat not opening soon enuff, or wrong temperature thermostat still not opening soon enuff


Can a soft radiator hose cause a car to overheat?

it shouldn't matter if the hose is soft. as long as the hose allows coolant to flow freely, your fine. but, if your car is overheating, u might want to change the thermostat.


What could cause an intermittent overheat reading on the dash temperature gauge if coolant temperature sensor and the thermostat are new and the water pump and radiator appear to be fine?

Head gasket. Do block test for gases in coolant


Your 1997 Dodge Avenger ES starts to overheat when you are in drive and stopped but as soon as you start driving the temperature gradually starts to go back down your fans and thermostat work fine?

If you're absolutely sure the radiator fan is working properly, have the radiator flow tested. Also, check the thermostat. It may be partially blocked.


Why does your 1989 Corolla with 2 barrel carb run fine after therm opens up but runs rich until then?

check the TVSV Thermo vacume switch valve.


Your 1993 STS sHow is hot engine then coolant overheat the engine water pump thermostat radiator have all been replaced What is the problem the fans are working fine?

Check your cooling fans in front of the radiator. It could be a relay or fuse to your high speed fan motor. Also, check your coolant temp sensor, antifreeze level, and or thermostat again.


Is your dryer bad or the breaker bad it breaks and then works fine?

More than likely, it is overheating and has an automatic shutoff thermostat. I recommend you check the air intake screen. If it is clogged with hairspray and dust, that will cause it to overheat quickly. Clean the screen if it is dirty, and that should solve the problem.


Why does my 2003 Jeep Grand Cherokee overheat even after replacing the thermostat the coolant and radiator?

You may have to replace the cooling fan relay or the cooling fan itself, I had the same problem and I first replaced the relay and it helped but then the cooling fan went out and I repalced it and now everything is fine.


Why does your 1997 chevmonte Carlo overheat but when you give it gas it cools down the fans are working fine.?

Sounds like the thermostat is clogged, or that your cooling system is low on fluid. There is one other posibility, but its very rare and uncommon. But the water pump could have warn its pumping fins down, and its not circulating the fluid as well anymore. But I would start with checking the fluid, and then replacing the thermostat.


How can I tell if a water pump is bad on a ford Truck?

Wait until the thermostat opens , so the top radiator hose is hot , then squeeze the radiator hose and then stop squeezing - if the water pump is working you will feel a surge of coolant through the hose if the impeller inside the water pump is fine ( I'm assuming that there is no squealing sound or coolant leaking from the weep hole of the water pump )


What happens if a warm blooded marine creature is in warm water?

It could overheat and die or it could be perfectly fine.