2003 Hyundai Tiburon Overheating and loosing antifreeze

Tiny
FASTFINGERS580
  • MEMBER
  • 2003 HYUNDAI TIBURON
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 99,500 MILES
I can't find any leaks, added bar's leaks last night to the radiator just in case, hoses appear to be fine. How do I tell if it is my thermostat or waterpump? It runs fine for about 5 miles, then starts to really overheat, and my heat starts to blow cold. I pull over, let it cool, add more antifreeze and am fine for another 5 miles. It is cold here, temps only in the low teens.
Thanks!
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Thursday, December 24th, 2009 AT 9:55 AM

3 Replies

Tiny
IMPALASS
  • EXPERT
Hello

To better assist you is your model just the Tiburon or the GT and what is the engine size in liter
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Thursday, December 24th, 2009 AT 10:21 AM
Tiny
FASTFINGERS580
  • MEMBER
It is a GT and it has a 6 cyl 2.7 liter engine.
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Thursday, December 24th, 2009 AT 10:30 AM
Tiny
IMPALASS
  • EXPERT
Hello

Thanks for the info

Do you see any visible leaks at all ..from the water pump.

Do you see any visible leaks around the heads or exhaust.

Do you have white smoke coming from the exhaust pipe.

Pull a couple of plugs and see if you can see coolant

Check your oil level .has it gone up and is milky

I don t think it is your thermostat as your car runs fine as long as you have coolant.

The same with your heater it blows cold due to lack of coolant.

You have to be losing coolant somewhere and you may have a blown head gasket. If you are losing that much coolant that quick it is either running out or going out the tail pipe.

Is the passenger floorboard wet?

http://www.2carpros.com/topics/cooling-system/leaks

Please let us know if what the final fix was for your car so we can better assist others. Thanks!

http://www.2carpros.com/articles/mitchell1eautorepair-car-repair-manuals
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Thursday, December 24th, 2009 AT 11:13 AM

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