Antifreeze go over boll when motor is hot

add to overflow reservoir, white plastic looking container with hose(s) coming off bottom. Add 50/50 antifreeze instead of water. Have thermostat checked and radiator fans checked to be sure working.

sounds like you better put antifreeze in it. your radiator is low if you have no heat and its gettin hot.

Hm. did you put a 50/50 solution of antifreeze in or pure antifreeze solution? If pure antifreeze is in there, then it won't cool properly and may overheat.

That's just one cause. Another cause is poor circulation in the block.

A flush may be indicated if you haven't done that.

Good luck on getting your car to not run so hot.

Also, the normal temp. can go up to 220 deg. F or 230 deg. F and still be normal in a GM car. Just don't want any leaks.

CHECK COOLING FAN RELAY AND HOT WIRE COOLANT FAN TO SEE IT WORKS.IF YES.YOUR FAN WIRE CONNECTOR IS DAMAGE OR WIRES BROKEN OR YOU COULD HAVE FAULTY PCM.IF FAN DONT RUN WHEN HOT WIRED.FAN MOTOR NEEDS REPLACING.

If your car ran hot, you may need to check the radiator for a leak. You always need to add antifreeze/coolant when you add water to your car. Check you owner's manual for the type they suggest and the proper mix of water to antifreeze/coolant. I had to get a head on my motor shaved when my car ran hot and later I had to get the hoses replaced. My radiator cap died following my replacing the radiator as it was plastic and when the car overheated it damaged the cap. How long was the car running hot? You don't want to be a penny wize or a pound foolish when it comes to engine overheating problems. You can repair on the cheap now and pay a lot more in the long run. Also, in the future when your car runs hot, you can turn on the heater --yes even when it is hot outside--I recommend opening up the windows. The heater fan will help to dissipate the heat from the car engine. It does work. I hope these help. Also go to a reputable repair shop. It could be your thermostat they can have check valves which get messed up but you need to check to see if it is your radiator or if there is a leak there or in a hose.

scan car at discount place. fan motor could be bad along with sensor. every am fill radiator with water-dont open hot. wen repairs r done put new antifreez in

Please do not drive your car until you can check a few things.

To answer your question...your car is hot while sitting at a light, but not when driving because of air movement. Think of it like like this...if you are standing in front of a fan, you feel cooler. If you step away from the fan, it will be warmer.

Back to your car troubles...you most likely are low on antifreeze. Please check the radiator for how much antifreeze you have. You will want to fill the radiator to the cap. If it has been this way for a while, you will have air in the line. After running the car for a while (after the fans turn on) add more antifreeze. It will most likely will show a lower amount.

Hope this helps.

there will be a cap on top of your radiator and also a reservoir tank near the firewall that will be a semi transparent container holding either orange or green coolant (do not mix the two colors)

Didn't test fan with direct 12 v power before replacing eh? Checked fan relay & temperature sensor?

If fan doesn't work period, check fuse for blower fan, if fuse is good, check fan relay switch.