Question about Jeep Liberty

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2002 jeep liberty has very little or no heat also overheats in warm weather changed water pump and thermostat also had system flushed

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  • Anonymous Mar 16, 2014

    changed thermostat now my jeep is sending out codes 302 304 and 354

  • Anonymous Mar 29, 2014

    I changed the thermostat on the 2005 Liberty and now it is overheating???

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  • Jeep Master
  • 6,982 Answers

Sounds like a head gasket problem. A minor leak there will pump compression into coolant and force it out of heater core. Any unusual steaming from tail pipe? Also: if radiator was flushed "in car" sometimes debris does not come out. Try flushing with it out of the vehicle. Jeep radiators are notoriously small for their application if not at at least 90% they will not work correctly.I'd look at the hg first though otherwise, your symptoms seem to be contradictory.

Posted on Jan 27, 2009

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4 Answers

My 2002 Jeep Liberty 3.7 don't throw me heat only cold air


There is something called a blend door in the heater box. This door is what moves to change from cold air to warm air. The part is 86 dollars online. http://www.factorychryslerparts.com/products/JEEP/LIBERTY/ACTUATOR-Blend-Door-AC-and-Heater/4341513/05066519AA.html

Jan 13, 2016 | Jeep Cars & Trucks

1 Answer

2002 jeep liberty heat only works at high rpm


Sounds like low flow issue. Flush and clean system, PROPERLY! Buy a flush kit, drain system, blow compressed air through, fill with cleaner/water mix, run for 30 min with heat on, drain system, blow out with compressed air, fill with water, run for 30 min, drain, blow out with compressed air, fill with 60% coolant mix.

Nov 26, 2013 | 2002 Jeep Liberty

1 Answer

98 grand cherokee little heat.heater hoses hot top rad warm bottom is cold collant barely luke warm


While it doesn't seem likely, if you've changed, or had the thermostat changed.... I'd say you got a faulty thermostat. I am curious as to what your temperature gauge says the temperature of the engine and coolant is.. If your gauge is showing hot, I can think of two more possibilities... the water pump isn't pumping right... and, if the water pump isn't working right, the problem can be a cracked head or block, which can cause an airlock in the coolant system. Check the coolant or radiator cap.

Nov 14, 2013 | 1998 Jeep Grand Cherokee

1 Answer

I have a 2002 Jeep Liberty Sport. I got in it this morning to warm it up before I left for work and when I got in it to leave noticed that the heat wasn't hot at all. On my drive to work it would get warm...


Does it look like coolant leaking? Same color? If so, it could be. That or the water pump. Go for the thermostat first. They are more common to go out. It would explain the lost in heat.

Mar 03, 2011 | 2002 Jeep Liberty

2 Answers

2002 LIBERTY OVERHEATING:


do you have a "check engine" light on? A bad temp sensor would give a wrong reading. Do you get heat from your heater core? Also make sure you are getting a good flow from catalytic converter and muffler so you know they aren't plugged heating up engine temp. Also make sure all your heat shields are in tact. Are you using 50/50 mix or mostly water? Though in cold temps you normally want to use more antifreeze less water, I would try more water, less antifrezze.

Mar 11, 2009 | 2002 Jeep Liberty

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