The radiator was replaced and was still overheating. Thermastat was removed and fan hooked up directly to battery . Is this OK
No that is never a good idea first off you will burn out the fan motor secondly with out the thermostat the car wont get to proper temperture and can cause the car to run in open loop witch means the sensors are not working and your car is running off the prom from the computer if your still overheating try looking at the water pump or a bad head gasket or even a vacuum leak
Clarify your question. If it is overheating with the new radiator, how badly?. bubbles in the overflow tank?
Jack up front and take cap off and burp radiator overnight.
One suspects air bubbles, or the wrong water thermostat not opening for whatever reason.ensure water thermostat has a hole drilled through it
If its the electronic 'fan' thermostat, you are addressing the symptom not the problem. If the car has 300kms/150K miles, could be a head gasket leak - exhaust to water. Check radiator fluid for traces of exhaust gas.
SOURCE: replace thermostat 2003 kia spectra
Hello, my name is Mario.
1. Disconnect battery negative cable.
2. Drain engine coolant
3. Remove bolt and nut for thermostat housing
4. Remove the old thermostat
5. Put a new thermostat and gasket (Install thermostat into cylinder head with jiggle pin positioned up.)
6. Place thermostat housing
7. Fill radiator with engine coolant
8. Connect battery negative cable
9. Start engine and check for leaks.
Good luck
SOURCE: my 2003 kia spectra stalls
Hi,
It might have a partially blocked fuel line or ait intake supply.
or the fuel sensor might be malfunctioning.
Try to check the compression, it might be loosing compression when you demand the engine to move the vehicle.
SOURCE: No heat on kia Spectra(fan blows out cool air)
The thermostat would be the place to start if you are sure its not the heater core. Heater core would have tell tale signs like antifreeze mist blowing in the vents or wet carpet soaked with anti freeze on the car floor, usually tword the passenger side. If its not the core, or the thermostat when you change it, then its probably in the hvac controls, but the core and the thermostat should be checked first. Also let the car warm up and feel both of the small hoses running into the firewall to the heater to see if they are hot. If not, one might be plugged. Hope this helps, Clay
SOURCE: 2005 kia spectra over heating
Did you install a new thermostat and make sure to bleed all the air out of the system when you replaced the radiator? If you didn't, or installed a Stant thermostat, replace it with a FACTORY OEM thermostat. Make sure the cooling system is bled by opening your radiator cap (WHILE THE CAR IS OFF AND COLD), starting the car and running the heater. Add coolant to the radiator as the engine heats up, until is at normal operating temperature AND starts spitting coolant back out.
Hope this helps,
matt
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