Question about 2003 Kia Sedona

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Have 2000 year sedona 2.9 ,blowing water in expansion bottle all

The engine lost a lot of water with a burst hose.the engine got very hot.since then i cannot keep water in the system.there is no water in the oil,but the cooling system is under high pressure and is pushing water into the expansion bottle all the time .have fitted new radiator cap but still same.some people think thermostat may do trick but i think head gasket may have blown,please can you advise if you have come across similar

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That's what it sounds like, a blown head gasket. Every time the piston compresses it pushes the air fuel mixture into your cooling system through the broken head gasket. Try running the engine with the radiator cap off or lose and look and smell for gas in your radiator overflow tank. Good luck and hope this helps.

Posted on Jun 15, 2009

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Where is the expansion valve located on the 2004 KIA Sedona


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1 Answer

Yes it is normal just no hot air


1. When setting the temperature to MAX, blower level to FULL and outside air Vent CLOSED, no hot air comes out after 2-5 minutes?
If YES, when did you last flushed your radiator and is it full?
2. if more than 5 years ago, flush radiator system, instructions are usually in Owners manual. Use a bottle of Radiator cleaner, run egine hot for about 10-15 minutes, carefully open petcock in bottom of radiator to flush out radiator, WARNING, careful as flushed coolant would be boiling hot. As sson petcock is open and water start to flow out, carefully open radiator cap to enhance flushing flow. Use garden hose to fill radiator while flushing until water coming out from petcock is cold and clear.
Once clear, start engine, turn heter full and blower full blast and keep hose in radiator flowing full, leave petcock open until clear water flows out again. Once clear waters comes out, turn off engine,turn off garden hose and let water drain empty radiator. Once it stops flowing out, close petcock snug and put radiator cap on, pull off radiator coolant catch bottle, clean bottle for any debris and dirt. Drain any water, leave bottle empty and put it back onto its place.
3. Fill radiator with 1 gallon (4L) of concentrated coolant, top up radiator until full, fill catch bottle with concentrated coolant, start engine and keep it overflowing until no bubbles comes out and the radiator is fully hot. Once it is flowing good, close and connect everything. Drive with it and keep catch bottle filled as necessarry.
Good luck. Give as vote and good comment if this advise solve youor problem. Thank you.

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1 Answer

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