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marcin_rak Posted on Jan 30, 2014
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Heater core my jeep liberty 3.7L 2005 is blowing a order-less whiteish smoke thur my air vents and is fogging up my windshield. What can this be

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  • Jeep Master 20,706 Answers
  • Posted on Jan 30, 2014
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Joined: Apr 06, 2013
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Engine and year, good. a first here...
my guess, its AF , antifreeze , smell it? sickening sweet. bingo
the core is leaking, look for Green AF at passengers foot
and under car, at A/C drip tube....
if im right its a big job.
change AF every 2 years, and this will never happen again.
ive run jeeps for 250k miles, many; and not one ever blew a core.
heater core.
All AF goes to ACID as it ages , and eats the core to death.
8hr labor too.

5 Related Answers

Anonymous

  • 1118 Answers
  • Posted on Oct 06, 2009

SOURCE: 99 Grand Cherokee fogs windows on warm defrost, but not on cold

Yes you do need a heater core, if not replaced it will only get worse.

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Anonymous

  • 714 Answers
  • Posted on Jan 30, 2010

SOURCE: My 2005 Jeep Liberty will not blow heat through

heater valve if you have 1 ,or temp control actuator which is under the dash and takes hours to replace!

Anonymous

  • 30 Answers
  • Posted on Jun 16, 2010

SOURCE: 2002 Jeep Liberty - Air conditioner not blowing.

OK. So the blower notor isn't operating. Do you have power to the blower motor? The resistor is new from what I got. If you don't have power to the blower motor, then check the speed control switch and fuses. If you have power at the blower motor, replace the blower motor

cadillac02

William Dehn

  • 318 Answers
  • Posted on Jan 21, 2011

SOURCE: My 2003 Jeep Liberty heater is blowing cold air

Water level perhaps. When you hit the accelerator the water volume increases. Check your water level and make sure that your thermostat is opening and closing properly. Water level I'm thinking

Jonah Oneal

  • 14092 Answers
  • Posted on May 24, 2011

SOURCE: 2005 jeep grand cherokee ac

THE ELECTRIC ACTUATOR MOTOR NOT WORKING. NOT ALLOWING AIR DOOR TO OPEN SO THE AC AIR CAN CIRCULATE THROUGH THE VENTS.

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Related Questions:

2helpful
1answer

My 06 liberty renegade smells hot and sweet inside....but there are no signs of leakage and im not losing anti freeze and my windshield passed the heater core fog test.....what could be causing the smell

Could be a leak in one of your hoses under the hood, a water pump gasket, thermostat leak or bad heater core. Check under the hood for any signs of leaks. If antifreeze drip onto a hot engine block, you’ll smell it coming in through the vents. If you don’t find any leaks, I’d consider the heater core having an issue possibly.
0helpful
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2005 Jeep Liberty Windshield keeps foging up what would cause it to do that. AC was blowing cold and stop then fog started coming out of the vents.

fogging inside a car out of vents
with aircon happens sometimes

nothing wrong with the air con system at all .....fog will clear

scientific cause ...cold air hits hot air
the internal temp of the car is higher than the external temp
or other way round
causing fog
0helpful
1answer

Heater only blows hot air intermittently.

Jeep Liberty heater not blowing hot air Questions & Answers ...

www.fixya.com > ... > heater not blowing hot air > Cars & Trucks > Jeep
Jeep Liberty cars & trucks heater not blowing hot air questions and answers. Ask your Jeep heater ... My 2005 Jeep Liberty will not blow heat through ... properly.

jeep liberty 2002 heat problem/hvac box issue - YouTube

? 3:12
https://www.youtube.com/watch?v=xf22fvcN1hU
May 28, 2013 - Uploaded by Joffre richer-desroches
Joffre richer-desroches. ... How To Install Replace Engine Coolant Thermostat and Housing 3.7L 2002 ...
1helpful
1answer

What causes smoke to come through the vents on a 2004 Jeep Liberty 5 speed manual 3.7L engine?

It will most likely be whisps of steam you see through the vents often accompanied with sweet smell. The heater core is usually the culprit and is leaking. Any coolant stains/wet marks on the passenger floor. Does the windshield fog up when on defrost. All signs of a leaky heater core
0helpful
1answer

Neither my heat or a/c works and when I try to defrost my windows they just fog up is the accumulator / drier need replaced?

does the air temp change when you try to blow ac and or heat?? if it does change from cold to hot at your discretion and it is still fogging up you may have a leaking heater core and in which cases the "fog" you see on the windshield is actually antifreeze blowing onto the glass from the leaking heater core.
4helpful
2answers

My 2003 Jeep Liberty heater is blowing cold air when idling. Warms up when you hit the accelerator. I also hear a water rolling sound upon take off after idling. Water pump? Heater Core?

Water level perhaps. When you hit the accelerator the water volume increases. Check your water level and make sure that your thermostat is opening and closing properly. Water level I'm thinking
2helpful
1answer

Why my window is fogging whe i turn the heater ?? i recently bought my toyota carina 3 model 1994 but the window is fogging , what should i do?

Make sure the vent system is set to draw air from outside. If it is set to recirculate the same air that's inside the vehicle without drawing fresh air from outside, the resulting humidity that builds up inside the vehicle can fog the windows even when you run the defrost. You can also try opening the windows a bit to get some more air moving inside.
If it still fogs when the vents are set properly, you may have a leaky heater core. The heater core is a small radiator that is located under the dash that the heater system blows air through to heat the inside of your car and provide heat to defrost the windshield. The fog may be coming from the heater core leaking hot coolant steam that's being circulated through the defrost system. If this is so, you will need to replace the heater core.
3helpful
3answers

99 Grand Cherokee fogs windows on warm defrost, but not on cold

absolutley,change the heater core,its a small radiator,with a tiny hole,it still works,but it leaks,it will continue to get worse over time
0helpful
1answer

Defroster blowing snow inside car

Not really a solution but, check that blend door in heater box is operating and that a/c drain hose is not plugged. (if there is ice in there, it may take a while to clear it out)
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