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Re: I have a 2012 Kia Sorento and the cooling fan will...
There is a thermostat which turns the fan on and off to maintain a reasonably level temperature of the coolant. If the fan has stayed on, I would think that the thermostat has jammed on and that's why it keeps the fan running. You will need a new thermostat. ( Not the water thermostat that is in the engine) A fan thermostat is what you will likely need.. A Dealer or parts outlet shop will know what you need.
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There has been known promblem with the 03- early 05 sorento of radiator fan staying on even after engine is turn off, it is claim to be a electrical malfuction in the engine termalstat. However you may just need to check your coolant level and fill it up as there is also a promblem to the sorento's having a leaking radiator coolant resevior too. Pretty much I own a 03 sorento, and it has been nothing but promblem, but glad I got rid of it. However like I said, check your coolant level, and fill it up with 50/50 coolant to recommended level. Should be able to solve the promblem, since it seems your engine is lacking coolant and is overheating, and the fan turn on automatic even after you have shut of your car to help cool it down.
Your crankshaft sensor could be bad. There has been a recall for your model, take it to your local kia dealship if you havn't had this fix yet. It is dangerous and could cause death when driving. You can google on more information about this recall. Just type in crankshaft recall sorento.
I don't currently have access to step by step instructions for your Kia Sorento, but I would imagine that it takes a standard tool ratcheting tool set to unscrew the bolts for the shroud, and lift any fans out of the way. Then, the radiator hold down hardware can be removed and the radiator should be disconnected fromt he cooling system (via the hoses) and then you can pull it out. It does not weigh much.
Installation is the reverse of the removal. --- recalls for engine follow:
Gasoline Engines 2004 KIA SORENTO
KIA REMANUFACTURED ENGINE PROGRAM
CYLINDER BLOCK DAMAGE - HEAD GASKET LEAK - POOR RUNNING OR HARD START, EXCESSIVE WHITE SMOKE AND/OR COOLANT SMELL FROM EXHAUST, MISFIRE DTC - REVISED
LOCKNUT RE-USE PROHIBITED
CRANKSHAFT PULLEY BOLT REPLACEMENT
wait 10 minutes after you shut the car off - then remove the negative side of the battery - wait 30 minutes then reinstall and run the car 30 minutes. If your cooling fluid is full and other cooling systems are in place and working - you should be fine.
The fan on your cooling system is made to continue to run once the engine is shut down if it is running a little [ or a lot] hot. So don't panic if it runs 5 minutes after you shut the car off.
You most likely have air in the cooling system.You would need to bleed the cooling system of air.There should have bleed screws near water neck,or thermostat.Do this cold.Remove the radiator cap and fill full.Then start the engine and loosen the screws and watch for nothing but coolant to flow out(no air or bubbles).When you are sure the air is gone out of the cooling system,shut the bleeder screw off,and fill radiator up and test to see that engine runs cool,and you have heat at all speeds and rpm s.The electric cooling fan should come on at a tempuratue of about 215 or so.But just as important,the cooling fan should cut off at a lower tempurature.If the cooling fan does not do this,you still have air in the system.If you can not get the air out this way,then do this.Remove the radiator cap and reservoir cap and fill them both up full.The reservoir needs to be over the fill mark a good deal.Replace the caps.Start the engine with ac and heat off.Let it run until the engine gets to about 212 or 215 degrees and shut the engine off.Wait about 30 minutes and check the reservoir to see if the coolant has dropped.It should have dropped.If the reservoir has dropped or not ,do this again and again untill the reservoir drops in coolant level,and engine temp is good(fan goes on and goes off).Remember to refill the reservoir as needed as it drops,not to run out of coolant.
Engine temperature spikes when a car is shut down and many cars have an extra switch for the electric fan that will turn them on if the temp rises past a certain point.
That switch may have failed, making it necessary to allow the engine to cool off.
Your car may not even be equipped with that feature so I would suggest trying the following:
When restarting soon after shutting off, slowly press the accelerator pedal completely to the floor and don't let up on it until the engine fires.
Allow at least 20-30 seconds of cranking before giving up on it.
The engine may be getting surplus fuel because of a problem with the computer or a 'cold start valve' that lets the engine draw more fuel when cold so starting it 'hot' it may be getting too much fuel to fire (flooding).