Question about Hyundai Tucson
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Posted on Jan 02, 2017
SOURCE: I have a 05 Nissan
Hey iisha, although obvious, 1st thing to check is the coolant level. If it's low, the engine will run hot and the low level prevents coolant from circulating to the heater core inside the car, so the result is little or no heat, but engine running hot situation. The top rad. hose takes hot coolant from the engine, it flows down thru the radiator where it is cooled (w/ help from the fan) and the coolant returns to the engine at a reduced temp. to keep the temp under control, and it's returned thru the bottom hose (the result is the bottom hose should be cooler thant the top. There's more involved than that, so 1st check your coolant level, if it's ok let me know I'll help further. Hopefully the fix is that simple, and it is a rather common problem.
Posted on Dec 08, 2008
sounds like your water pump is air bound ( there is a air bubble in your cooling system,or your water pump isn't turning.Bleed the cooling system by jacking car upso the antifreeze fill area is the highest point and run the engineat 1500 rpms add water if it goes down that tell you that the water pump is pulling.Also see if you have a air bleed on the cooling system.Keep the rpms up until you can't add anymore water then put cap back on before returning the engine to normal idle speed.
Posted on Aug 09, 2009
Why was radiator replaced?Did it have heat before ? If it was plugged, the heater core may also be plugged. Try flushing it with a water hose in both directions. I dont know why the botton radiator hose would be cold, the radiator should be a uniform temp and the air coming through the radiator should be HOT, when the engine is at operating temp. What condition was the old coolant? if it was rusty, the water pump may have lower flow than normal.
Posted on Nov 19, 2009
let the car get up to operating temp and squeez the top radiator hose, if you feel the coolant squeeze out into the motor you thermostat is fine, but if you feel the hose and it feels presurized you need a thermostat. Also check to make sure the fan is operating at operating temp because that would cause overheating. ALL vehicles require the cooling system to be bled. Some have a bleeder screw (usually near the thermostat ) if not fill the radiator and keep toping it off at the coolant tank.
Posted on Apr 28, 2010
You either have some kind of blockage like a plugged radiator or a colapsed hose, or your water pump is not moving any coolant. It's not very common, but it is possible of the impeller inside the pump to come off of the shaft or become so coroded they dont't move the water anymore. (very rare) What you are describing sounds like a plugged radiator, if you can see the tubes at the top of the core when you have the cap off and they have a lot of blockage then they will be like that all the way accross. I have had limited success with store bought chemical flushes from the parts house and a new radiator for this truck is not very expensive and the are super easy to replace.
Posted on Jan 18, 2011
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