Overheating

Asked by Eddy Nov 13, 2016 at 12:21 AM about the 2001 Hyundai Accent GS 2-Door Hatchback FWD

Question type: Maintenance & Repair

Hi,my car is overheating but only when my radiator
cap is on I found out when I changed the  
thermostat  I also changed valve cover and gasket
along with pcp valve and oil

3 Answers
1,985

Jay answered 8 years ago

could just be air in the system. best way to get it out is to take radiator cap off, turn car on and set heater to full blast while making sure coolant is full. keep running till it hits operating temp. then make sure its full and put cap back on. also, theres been times that i baught a bad thermostat which could cause this. when buying thermastat dont be cheap. get a good one. you get what you pay for. they sell differnt kinds that open at differnt temps. buy the one that opens the soonest.

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GuruV3VR7 answered 6 years ago

I have a 2012 Hyundai Accent it's the radiator is overheating when it sits but if you use no water from the reserve is still full

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1,985

Jay answered 6 years ago

Forgot to mention the radiator cap can cause overheating as well. Every car requires a certain amount of psi for the cooling system. A bad cap can cause the resevor to not supply water/coolent.

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