Question about 2003 Jeep Liberty

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Delayed or intermittent heat

My heater works intermittently. Sometimes it comes on and blows heat right away (in like 30 seconds). But then other times....

Regardless whether it's on defrost, floor, or dashboard and regardless whether its on low medium or high fan, sometimes it blows cold air initially and won't warm up for about 5 or ten minutes. Once it gets going it works fine it just needs time to get going.

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After checking the heater core hoses they were both hot I went in to look at the blend door and noticed it wasn't moving on hot or cold so I simply disconnected the lincage and moved to hot and its working ok. but its not completely repaired

Posted on Mar 11, 2013

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CHECK YOUR RAD FLUID LEVELS. SOMETIMES THE FLUID LEVEL IS JUST LOW ENOUGH TO FORCE COLD AIR , OR NON-HEATED AIR THROUGH THE SYSTEM. IF YOU ARE DRIVING, HIT THE GAS OR BRAKE WHEN IN MOTION TO SEE IF THE INTERMITTENT HEAT APPEARS. FIRST OFF THOUGH IS CHECK YOUR FLUID.
HOPE THIS HELPS!

Posted on Dec 13, 2008

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1 Answer

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http://technoanswers.blogspot.in/2012/02/heaterac-blower-motor-not-working-on.html

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2 Answers

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