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My 2002 jeep liberty has been blowing cold air while idle and then hot air once moving. Today the engine light cAme on any ideas on problem?

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  • Cars & Trucks Master
  • 21,873 Answers

Sounds like the radiator may be low on coolant.
You need to check that and have the computer scanned for trouble codes to proceed.

Posted on Jan 23, 2013

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Posted on Jan 02, 2017

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mister_b_65
  • 74 Answers

SOURCE: heater on2002 Jeep liberty wont stay warm unless its moving



Check to see if the coolant level is low.






Posted on Dec 13, 2009

michigan man
  • 3533 Answers

SOURCE: AC blows hot air

try this website fix & troubleshoot heating & A/C www.automedia.com and another car A/C repair www.directgardening.com

Posted on May 25, 2009

alicantecoli
  • 22246 Answers

SOURCE: My 2003 jeep liberty only blows hot air. Even

have the gas checked out first before you start playing with it ,it should hold about 700grms of gas minimum

Posted on Mar 02, 2010

  • 30 Answers

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

Posted on Jun 16, 2010

dttech
  • 4803 Answers

SOURCE: I have a 2002 Jeep Liberty Limited, 3.7 L motor.

Jeeps are notorious for having broken temperature control (Blend Air) doors. A malfunctioning Blend Air Door actuator probably caused it to break. The dash will have to be removed to replacethe door and the door actuator.

Posted on Jan 16, 2011

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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 ...

Nov 01, 2015 | 2005 Jeep Liberty Sport

1 Answer

2011 jeep liberty heater blows cold air


gas not diesel right?
what engine? option? size?
there are only 3 causes (and many parts to fail)
  1. engine coolant not hot at 180F or more.
  2. said coolant not flowing Through heater core (feel the 2 hoses?)
  3. air not flowing over heater coil. , damper stuck closed?

once the above is found.we can diagnose why?

the FSM covers all this , in the HVAC chapter.
say engine is hot, and core is hot.
you check the damper and its stuck closed.
?
1: controls not telling damper to move. (falling)
2: damper motor bad. (called the HVAC acuator by jeep)

on this new of car, we must scan it, the scan tool that supports
jeeps will set HVAC errors aplenty.
my innova 3160 can do that.

my FSM dont do that new a car.

or
engine not hot
heater core not hot
or damper door stuck closed on core, blocking heat.

Mar 21, 2014 | 2011 Jeep Liberty

1 Answer

Blowinging cold air most of the time ,will blow hot off and on.tempature gauge goes up very quick on cold start.gurgling sound coming from over flow,behind glove box.


you have a air block in system remove radiator cap let it idle make sure to keep fluid full it will bubble some just watch when bubbles stop watch to see fluid flow is good

Mar 16, 2011 | 2002 Jeep Liberty

2 Answers

I have a 2002 Jeep Liberty Limited, 3.7 L motor. The heater will not blow hot air. The A/C and fan work well. When I turn the temperature dial to hot, there is only cold air coming out. Can you assist me?


Jeeps are notorious for having broken temperature control (Blend Air) doors. A malfunctioning Blend Air Door actuator probably caused it to break. The dash will have to be removed to replacethe door and the door actuator.

Jan 16, 2011 | 2002 Jeep Liberty

1 Answer

My 2002 jeep liberty heater blows cold air when it should be hot any ideas?


Coolant level could be low. Might need a new thermostat. If the coolant level is low you likely have other issues. Check back here if that's the case. I hope this helps..

Mar 15, 2010 | 2006 Jeep Liberty

1 Answer

Heater


the motor for the heat door is bad no switching from cold to hot

Jan 31, 2010 | 2002 Jeep Liberty

1 Answer

02 Liberty having cold flashes!


1st check the coolant level. If it's low, it won't circulate thru heater core, and result is little or no heat. Let me know what u find, we can continue.

Dec 09, 2008 | 2002 Jeep Liberty

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