Question about 2006 Jeep Wrangler

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06 jeep w/aircondition blows hot air out only.checked radiatior

Plenty of fluid in radiator and overflow tank, blower seems to work only hot air comes out. looked at fusebox inside the engine compartment they appear to be ok. is there another fusebox inside the jeep under dashboard ? I havnt located it? and or how do u check the sensors and resistors or relays in engine compartment fusebox?

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You will need a miltimeter and to check that you have continuity between terminals 85 and 86 as well as 87 and 30 when the coil is engaged

Posted on Sep 28, 2009

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If the overflow hose on my 03 pt cruiser with a 2.4L turbo is capped off will it make it overheat?


It should.
Here is the principle.
Water and coolant/antifreeze will expand when heated, as will the air trapped in the radiator and system.
If you cap off the overflow, the liquid will have no place to go, and will either go past the radiator cap or will blow up the radiator or a hose.
If the liquid exits at the radiator cap, when the engine cools down, the system will be low on fluid, and will create a vacuum.
If you had a working coolant tank, the vacuum would draw the coolant back into the radiator by suction.
If you cap the overflow off, you will leave the radiator low on coolant. At that rate, when it gets hot the next time, it can overheat, and if worse comes to worse, you can blow a head gasket.
God bless your efforts.

Sep 07, 2015 | Cars & Trucks

2 Answers

Radiator overflow tank


are you confused?
does the operators manual show 2 tanks.???marked AF, antifreeze?
is one, washer fluid.?
it look it up in the FSM but no engine stated.
http://www.amazon.com/2002-2007-Radiator-Overflow-Reservoir-Mopar/dp/B00E8PPE4A

i see one tank ,called BOTTLE here,
my guess is you lost the operators guide and are lost.
http://www.factorychryslerparts.com/showAssembly.aspx?ukey_assembly=612242&ukey_make=1064&ukey_model=15531&modelYear=2004&ukey_driveLine=7453&ukey_trimLevel=18498&searchString=tank



Mar 27, 2014 | Jeep Liberty Cars & Trucks

1 Answer

Leaking water under the car when parked it just started last week.


Is the liquid clear or colored? If it is clear and you have been using the air conditioner, it is just condensation and not a problem. If the fluid is colored yellow/green or orange and feels slippery, it is coolant. This means you may have a loose hose fitting, a leaky hose, a bad radiator cap or a bad water pump. You'll need to look under and over the engine to see where the fluid is coming from. If you added fluid recently, you may have added too much and it may be coming from the overflow tank. That tank could have a leak or a loose hose going/coming from it. Good luck. Make sure you have plenty of antifreeze in the radiator and overflow tank at all times so you don't overheat the car. Check the levels while the car is cold.

May 27, 2013 | Cars & Trucks

1 Answer

Heater blows hot nnnnnnnthen cold ,,,,,,stays cold


To start, the first thing I would check is the fluid level in your cooling system. Do not remove the radiator cap if the engine is hot! The water will shoot out like a geyser and you could get burned or scalded by steaming hot water. Best to check it when the engine is cool.
If you need to add fluid it should minimally be a mixture of 50% water and 50% antifreeze. This way the fluid won't freeze in the winter or overheat in the summer.

Check the hose that runs from the radiator cap to the overflow container. Make sure it doesn't have any holes in it and it is not plugged up. Make sure the overflow tank has fluid in it to the level indicated on the tank.

These are basic, simple things to check. If these don't remedy the problem other possibilities are a bad thermostat, water pump, radiator cap, or a plugged heater core.

Feb 15, 2013 | Cars & Trucks

1 Answer

CAR RUNNING HOT AFTER I CHANGED A BAD RADIATIOR OK RADIATIOR HAD A WHOLE IN IT WE CHANCED IT BUT NOW ITS RUNNING HOT HOW DO I PROPERLY REFILL THE RADIATIOR


CHECK COOLANT LEVEL STILL LOW.ADD MORE COOLANT.UNTIL RADIATOR OVERFLOW FULL AT COLD MARK.THEN CRANK ENGINE UP LET IDLE FEW MINUTES LOOK DOWN COOLANT OVER FLOW JUG ADD MORE COOLANT IF LEVEL DROPPED.WHILE ENGINE RUNNING KEEP EYE ON TEMPERATURE GAUGE.WHEN THERMOSTAT HOSE GET HOT.TURN OFF ENGINE WAIT A LITTLE WHILE TO KEEP FROM GETTING SCALD TAKE LARGE RAG PLACE OVER OVERFLOW JUG RADIATOR CAP.OPEN CAP A LITTLE A TIME.IF COOLANT TRIES BOIL OUT.LET VECHICLE SET A WHILE LONGER.ADD MORE COOLANT.WHEN COOLANT LEVEL CORRECT AND ALL AIR OUT THE COOLANT SYSTEM.IT WILL STOP OVERHEATING.LONG AS ENGINE RUNNING HOT TURN OFF THE ENGINE POUR IN MORE COOLANT UNTIL COOLANT LEVEL STOP DROPPING IN RADIATOR.KEEP COOLANT LEVEL IN OVERFLOW AT COLD MARK.DONT OVER FILL OVERFLOW JUG.

Jan 23, 2011 | 1996 Lincoln Continental

1 Answer

2003 Dodge Durango airconditioning blows hot air.


The AC will not work if the electric blower fan on the radiator does not come on. (It's under the shroud) ( Vehicle has engine fan and a electric fan hidden under the shroud..

Aug 01, 2010 | 2003 Dodge Durango

1 Answer

1994 chrysler concorde radiator overflow tank hoses leaking


It sound like there may be a small leak in the cooling system. You can check this by pressurizing the cooling system. You can buy a pressure checker for about 100 dollars. It will usually show up leaks that are small because you can pressurize the system cold and it won't evaporate.

Jul 02, 2009 | 1994 Chrysler Concorde

1 Answer

Temperature/heat wont work/dashboard lights on and off


It sounds to me like you're low on coolant. When you checked the coolant level, did you actually open the radiator cap and make sure the radiator is full? The plastic tank you generally add coolant too is actually an 'overflow' or 'reserve' tank. There is a hose that runs from that tank to the top of the radiator so if the radiator gets low on coolant, more coolant -should- run in from the overflow tank. However in practice this does not always work. I have a Jeep that leaks coolant and experiences this exact same problem. Coolant will not run from the reserve tank into the radiator because the hose is plugged up, and whenever the radiator gets low on coolant the temp gauge will go real high and then drop, and the heater doesn't work well. This is because the cooling system of your car is supposed to be a closed system, full of coolant and no air. When coolant leaks out, the space it used to occupy is now occupied by air, which does not transfer heat well. When 'air' is passing through your cooling system, no heat can be transferred from your engine to the heater and radiator, resulting in a hot engine and no heat at the heater. Then when a pocket of water passes through the system, the temperature gauge quickly falls as the water absorbs the heat from the engine. The hot water that cools the engine is where the heater gets it's heat from as well, so when water passes through the heater core, the heater works, but when it's filled with air, it doesn't.

Feb 12, 2009 | 2001 Pontiac Sunfire

1 Answer

Heater doesn't work


does the blower still work?? Are you waiting long enough for the engine to warm up?? your heat comes from the engine heat. hot coolant (antifreeze) flows through the heater core (like a smaller radiator) behind the dashboard. the blower pulls air through the hot heater core, making the air hot.
If it blows air, but never gets warm, you should first check your coolant. if you drive your car without it, you will have big, expensive engine problems. If there is no coolant or very low coolant, you need to check for leaks after you refill it. (make sure you get the right kind of antifreeze. autozone can help)
most cars that new dont have radiator caps. Instead there is a seperate coolant tank under the hood. fill it to the full mark, let the car run and watch it. It will **** down the coolant from that tank untill the radiator is full.
If you have plenty of coolant, you may need a new thermostat. sometimes they get stuck. some stick open, some stick shut. It is usually easy to change one and they are cheap. I can't help you much with that cuz its different on every car. on my car, I have to crawl under it to get to the thermostat. hope this helps.

Jan 14, 2009 | 2002 Nissan Altima

1 Answer

Now it runs funny and heater wont blow


almost sounds like air in the system.... let it warm up so the thermostat is open... squeeze the hose going to the heater core. make sure the radiator is filled as well. if it has an overflow tank add fluid to that.

Robert

Nov 12, 2008 | 2005 Jeep Wrangler

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