Question about Jeep 2002 Liberty Limited Edition

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I have a 2002 jeep liberty. Heat recently started blowing lukewarm air. Coolant level fine, oil fine. Heater core checked and working properly. Temp guage never shows hot. Radiator replaced, temp sensor control module replaced and new thermostat. Water pump in proper working order. Upper radiator hose burst last week. White smoke coming out exhaust pipe. A lot more when stopped. Any ideas?

Posted by Melinda Hester on

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1 Answer

Brian Main

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  • 469 Answers

White smoke is probably steam which means you have either cracked the block somewhere or blown the head gasket. What are the symptoms of Blown Head Gasket BlueDevil Products

Posted on Feb 03, 2017

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5 Related Answers

Anonymous

  • 41 Answers

SOURCE: no heat when car not moving

Ok, judging from what you've said it sounds like a vacuum issue. The temperature controls are activated by vacuum which is produced by the engine. Look for small hoses that lead from the intake manifold to the firewall, check them and make sure they are not broken, disconnected, or leaking.  The vacuum directly controls the doors inside your dashboard which push the air to the heater core. Also make sure that the coolant hoses going to and from the firewall are hot.  If all that checks out, then the controls inside the car may have gone bad, or may have become disconnected from the vacuum supply, or the actuator door inside the dash is stuck or broken.

Posted on Dec 23, 2008

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emissionwiz

Marvin

  • 85239 Answers

SOURCE: NO heat in 1998 Jeep Grand Cherokee

this is the problem then, and a very common one at that, bad news is the dash must come out to replace it.

Posted on Jan 27, 2009

onyeredson

Paul W

  • 404 Answers

SOURCE: The heat in my 1992 Jeep Wangler is not working.

Hi!
It appears we have an Air lock scenario and you will need to perform a system Bleed.
Park the vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater on full and blower to max. When engine reaches operating temperature watch and listen near coolant filler, keep clear as gurgling and hopefully a boil over should occur. Top up with very warm coolant and wait as it may do it again.
Check for heat inside vehicle if warm replace coolant cap but keep an eye on temperature gauge as the ~Air lock may have moved on from heater matrix/core so proceedure needs to be carried out again from COLD.
If persistent boil ups/over attention must made in the cylinder head
or gasket area, or possibly water pump?
Please press the Blue button to appraise my FREE Efforts, Thank You!
Paul 'W' U.K.

Posted on Feb 05, 2009

Benimur

Louie Role

  • 6966 Answers

SOURCE: Engine Temperature Guage on Dashboard indicates overheating

Hi and welcome to FixYa,

Offhand, your described condition indicates a sticking thermostat, that is there is considerable delay before the thermostat opens. It is also possible that there is some restriction wherein the thermostat is not opening completely when the triggering temperature has been reached. As a test and to confirm, you could try temporarily removing the thermostat and operate the engine without one; observe temperature. The side effect of this test is that it would take some time to warm-up the engine, but operationally should not cause anything untoward. Of course, care has to be exercised that the gasket would still be intact.

Good luck and thank you for using FixYa.

Posted on Feb 11, 2009

localwonder

Michael Masters

  • 6784 Answers

SOURCE: Check gauges light comes on

Sounds like a CPU problem. your radiator may need a good flushing a s well. i would also check the heater core for any unusual problems like seal break or leakage.

Posted on Feb 11, 2009

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1 Answer

The heater blows air, but it is always cold on every setting. What is going on with the heater?


Check coolant level first for being low. IF level ok, possible plugged/restricted heater core. With engine at operating temperature, check hoses under hood going into heater core. They should be close to the same temperature. If one is hot and the other warm/cold, suspect a restriction in the heater core and you will require a back flush to remove the restriction. If both hoses warm/cool, suspect a thermostat issue and the engine will not reach proper operating temp to supply adequate heat.

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1 Answer

Heater only blows hot air intermittently.


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

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2005 jeep liberty blows cold air through the heater.


Either you are low on coolant and there is air in your heater core, or the thermostat isn't working properly, or your water pump is going out.

Dec 13, 2014 | 2005 Jeep Liberty

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Why is my 2010 Jeep Liberty only blowing cold air?


Element in heater blown , could be independent fuse for heat also , check fusebox

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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

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My 2005 Jeep Liberty will not blow heat through heater ducts. Fan works fine but blows only cold air. Any idea what the problem is?


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

Jan 30, 2010 | 2006 Jeep Liberty

2 Answers

Nissan Altima no cool air blowing or hot air blowing


Hi!
It appears we have an Air lock scenario and you will need to perform a system Bleed.
Park the vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater on full and blower to max. When engine reaches operating temperature watch and listen near coolant filler, keep clear as gurgling and hopefully a boil over should occur. Top up with very warm coolant and wait as it may do it again.
Check for heat inside vehicle if warm replace coolant cap but keep an eye on temperature gauge as the ~Air lock may have moved on from heater matrix/core so proceedure needs to be carried out again from COLD.

Please press the Blue button to appraise my FREE Efforts, Thank You!
Paul 'W' U.K

Feb 24, 2009 | 2002 Nissan Altima

1 Answer

A few Problems: Starting, Heater & Radio


Problem 1: buy a system heater to keep the engine warm at night.
You can buy them at any autoparts store . You take your pick from the variety.
Place a light 100 Watt Bulb near the battery but not too close to anything else where it might burn anything.

Problem 2. Check your coolant level to see if you have the proper level. Make sure you have 1/2 antifreeze and 1/2 water if you add any coolant /antifreeze and bleed the colant system. By running the car let it cool, then turn the radiator cap or turn the bleed screw provided on some cars near the thermostat outlet. Then adding some more water and coolant etc.The tightening the cap or bleed screw. When radiator is full. Check the radiator and and remove any debris that may be keeping the air out.

Problem 3. Will get fixed because your battery won't die.

Jan 11, 2009 | 2002 Jeep Liberty

2 Answers

The heat in my 2002 hyundai sonata doesn't work, Help!!!


Is the fan working and blowing air but there is now heat?

If there is no heat and air is blowing out check your radiator level. If the engine coolant is too low water will not get to your heater core. Remeber check the radiator level and not just the coolant reservoir. Becareful when working around a hot car. wait til the car cools down to check the level of the coolant in the radiator.

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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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