Question about Jeep Liberty

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I have a 2000 jeep sport it will blow air but wont get hot but the catch is it keeps over heating we put in a new thermostat and flushed all the hoses dont know why it wont get hot and why it keeps overheating

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  • Jeep Master
  • 975 Answers

Doesn't sound good ,head gasket I think,Napa sells a combustion leak detector for about 40 bucks ,simple to use ,just some blue fluid that turns green if there is "exhaust" in the cooling system,might be cheaper than having some shop guess.

Posted on Feb 18, 2012

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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onyeredson
  • 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?
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Posted on Feb 05, 2009

Broncos1
  • 17 Answers

SOURCE: 2002 LIBERTY OVERHEATING:

Mothers Jeep did the same thing. We changed the water pump and solve the problem. heater worked amazing after swap also!

Posted on Mar 11, 2009

  • 1 Answer

SOURCE: jeep overheating with a new radiator!

I had a 1998 Dodge Ram that Overheated alot. I changed the Radiators and Thermostats a couple of times. I finally pulled the water pump and found the impellers had been eaten away by electrolysis. I am not saying this is your problem but it is worth a shot. You can check for electrolysis with a voltmeter put one probe on the negative battery terminal and the other in the coolant. You want a reading of less than 0.2 volts.

Posted on Jul 05, 2009

  • 1201 Answers

SOURCE: I have a 2000 dodge dakota sport. 4.7 v8 auto 4x4

It could be the thermostat, or the electric cooling fans are not coming on, if they are working, change the thermostat.
To find it------ follow the top radiator hose to the thermostat housing, the thermostat is in the housing.

Posted on Jul 30, 2009

  • 1 Answer

SOURCE: 1995 Jeep Cherokee Sport. Keeps overheating.

i have a 1995 jeep grand cherokee....it's overheating. I've replaced the radiator(used), new water pump. It was leaking coolant and I bought sealant. Do Ineed to replace the radiator with a new one?

Posted on Jul 24, 2010

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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.

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How often has the coolant been changed? My only guess is that it hasn't and the hoses and the heater core are plugged up with goo and a flush is needed

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I had problems with a similar truck,a 1998 GMC diesel after checking to make sure the control cables were operating the blend door and blowing the mess of the heater core,I replace the thermostats.Still no heat turns out there was a small amount of debris collecting in the fitting for the inlet hose at the thermostat housing after removing it and blowing out the lines the heat was fine.

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