Question about 2002 Jeep Liberty

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Heater blowing cold air - 2002 Jeep Liberty

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Stephen

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If the heater hoses are hot, it may be a problem with a blend door under the dash. The blend doors direct air thru the heater core and thru the vents.

Posted on Oct 10, 2012

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emissionwiz

Marvin

  • 85239 Answers

SOURCE: Passanger side heater blows cold while driver side is hot

U will need to replace the pass side air temp control blend door acuator motor.

Posted on Feb 15, 2009

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Anonymous

  • 1 Answer

SOURCE: heater blows cold air

the electric motor that open the heat door looses electrical connection there by the door stays on cold / it is located under the a/c heater assembly / which requires removing the whole dash and heater assy// also bleed all air out of coolant system
there are three doors / 1/ a/c heat 2/ mode /defors 3/ recurculation [email protected]

Posted on Sep 11, 2009

Anonymous

  • 1 Answer

SOURCE: Heater blows cold air when idle

Sounds like you may have a partially plugged heater core. You could flush this out separately, from flushing radiator & engine block. Diconnect heater hoses going to your heater core and clamp off, so not to loose coolant from engine. Now hook up separate hose to one side of heater core pipe and flush out with typical garden hose. Repeat procedure on both heater core inlets. Reconnect original heater hoses and test difference. You may have to add an additional litre of antifreeze. If this don't work i suggest changing heater core. Good luck.........Ron.

Posted on Jan 03, 2009

Richard Scordino

  • 6982 Answers

SOURCE: 2000 grand cherokee overheating heater blowing out cold air

Generally this condition is the result of coolant loss, or failed thermostat. If coolant goes below cylinder head level, or thermostat remains closed,heat will stop working. Do not drive with this condition as excessive heat buildup in cylinder head can and will do serious damage to heads and or head gasket.
Find out where leak is and correct it. Change thermostat as it may also be damaged. Check for excessive steam from tailpipe or miss in engine, as these symptoms indicate a cylinder head problem.

Posted on Jan 03, 2009

Anonymous

  • 1 Answer

SOURCE: Heater blows cold air

If the "Heater In Hose" gets hot, and the "Heater Out Hose" does not get hot, than either the Control Valve is sticking closed, or your heater core is plugged up with ****!

Have you used "Barrs Leak" or a simular product for a radiator leak? That will sometimes clog the heater core.

I have a 1993 Grand Cherokee, which "Normally" throws very hot air out of the heater, but lately sometimes it only throws warm air, till I make my first stop, than it gets hot.....all because the heat control valve is hanging up.

Low water in the radiator will also cause a heater to not work.....if the water level is too low to circulate to the heater.

XRM

Posted on Feb 18, 2009

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1 Answer

Heater blows cold air


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As per your problem mentioned.There are few solved help links to troubleshoot these problems.Go through the list and Click the link below:----
Air conditioner blows air but not cold air http://repairhelpcenter.blogspot.in/2012/07/air-conditioner-blows-air-but-not-cold.html

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Heat blows cold on drivers side and hot on passenger side? http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html---------- Hot air on the driver's side vents only? http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

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2005 Chrysler PT Cruiser: A/C Blows Warm? http://whoisbyme.blogspot.in/2012/06/2005-chrysler-pt-cruiser-ac-blows-warm.html

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These will help.
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1 Answer

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To troubleshoot this types of problem,click the link below :---
Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html

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http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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3 Answers

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Engine Overheats and heater blowing cold? http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html
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1 Answer

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To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.

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http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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This will help.Thanks.

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1 Answer

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For this types of problem,i suggest you to check this help links:----Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html
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