Question about 2005 Jeep Liberty

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2005 Jeep Liberty overheats at idle but while in movement temp returns to normal.

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  • Jeep Master
  • 6,826 Answers

Check to see if the fan on the radiator is working at idle.

Here's information on how to change the fan if needed:

Engine Cooling Fan Removal & Installation 2.4L Engine To Remove:

  1. Remove the coolant bottle and set aside.
  2. Remove the power steering reservoir and set aside.
  3. Disconnect the cooling fan connector.
  4. Remove the cooling fan mounting screws and the cooling fan.
To Install:
  1. Install the cooling fan and the mounting screws. Tighten to 50 in-lb (5.5 Nm).
  2. Connect the cooling fan connector.
  3. Install the power steering reservoir.
  4. Install the coolant bottle.
3.7L Engine To Remove:
NOTE: If the fan blade is bent, warped, cracked or damaged in any way, it must be replaced ONLY with a replacement fan blade. DO NOT attempt to repair a damaged fan blade.
NOTE: For 3.7L Heavy Duty/Max Cool/Trailer Tow cooling package, the viscous fan cannot be removed separate from the shroud. Both fan and shroud must be removed together.
  1. Disconnect battery negative cable.
  2. Using special tool #6958 spanner wrench and #8346 adapters, remove the viscous fan from the water pump.
  3. Gently lay fan into shroud.
  4. Disconnect the electrical connector for the electric fan, then disconnect connector from shroud.
  5. Remove the two fan shroud mounting bolts connecting the fan shroud to the radiator.
  6. Remove the shroud and fan from the vehicle.
To Install:
  1. Install fan shroud assembly into the vehicle. Tighten fan shroud to radiator bolts to 50 in-lb (5.5 Nm).
  2. Install shroud mounting bolts tighten bolts to 89 in-lb (10 Nm).
  3. Connect fan motor wire connector to harness connector, and attach connector to shroud.
  4. Connect negative battery cable.
  5. Start engine and check fan operation.

Posted on Aug 31, 2010

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Posted on Jan 02, 2017

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My 2005 Jeep Liberty Renegade had a small crack on the top right side of the radiator. Replaced the radiator with new one. Put everything back together, put in new coolant and burbed it. Now when the...


the FSM book covers this.
how to test the fan.
you do this parked.
with a scan tool first. look for dtc errors hot.?
make sure the ECT reads correct using the SCAN tool.
180F+ is good.
the let car idle. it will overheat idling, they all do, but not in Alaska.

as the temp hits the PCM thresholds , the PCM commands on the fan and it runs, dropping temps back to 180F
(can i assume you put in a new thermosat with rad.
that be the perfect moment, they are short lived parts
and the numbers stamped on it it must be OEM spec, temp.
nothing else.

The fan relay closes at too hot temp (PCM decides)
the coil on relay goes to 12vdc (meter across pins)
if coil is 12v and 12v out of relay to fan is 0v.
then the relay is bad.
if the coil never goes hot, we have a serious problem.
the ECT must see the overheat, if there is an air pocket at ECT
it will not read temps, true, but why low, .
and fan will no come on.
that is how it works. most modern car.

Mar 11, 2015 | 2005 Jeep Liberty Renegade

2 Answers

My 2005 jeep liberty over heats, any solutions


check to see if you have a viscous fan hub and if so then replace it . Check when the overheating occurs If it is at stop lights but cools down when travelling. It is the hub. If it overheats when going slow and under load it will be the hub. If it overheats when travelling fast then check the radiator for core blockage and have a compression test done to check for head gasket / cracks Run fault codes and check for blocked exhaust system --cat converter)

Jul 02, 2014 | 2005 Jeep Liberty

1 Answer

2005 Jeep Liberty Cooling Fan - Run full time with the A/C on?


When your idling at a stop or parked an the engine is running A/C on cooling fans should be running . When your driving down the road air flow through the condensor is good enough and the fans don't run .

Aug 13, 2017 | Jeep Liberty Cars & Trucks

1 Answer

2005 Jeep Liberty over heating


So what is the question ?

You can not use it like that

You know how to diagnose &
repair yourself or you go to
a repair shop

Nov 19, 2012 | 2002 Jeep Liberty

1 Answer

2002 Jeep liberty overheating with a/c on then blows hot air


so the RAD is going to be good with leaks that it?
it has to hold pressure or it will get too hot,
14psi pressure,
I take my IR heat gun and check all rad tubes
top and bottom
and find, 3 are not 50 degree,drop end to end read same
those 3 are clogged, now you have 2 reasons to replace that bad rad.
something smokes, what?
it dont overheat parked, what is outdoor temp, 75f like here or 0F?
it must overheat idling, if it does moving.
how fan it not?
wont overheat A/C OFF you said.
so its marginal

ether rad tubes clogged
or fans dead,
one or both.

Mar 15, 2017 | 2002 Jeep Liberty

1 Answer

My cooling fan on a 2006 Jeep liberty 3.7L runs slow. You can even stop it while engine is running. Is this normal or do I have a problem?


Probably not.
The fan clutch uses oil to regulate the speed of the fan depending on air temp.
The hotter the air the faster it should turn. The faster the engine speed the slower it turns.
At idle in normal air temp it should be too firm to stop with your hand, which is pretty dangerous by the way.

Jul 20, 2012 | 2004 Jeep Liberty

1 Answer

My 2005 jeep liberty overheats at an idle but not all the time the front did get packed with snow in the lower part of the grill but i looked for leaks and damage but found none


If it overheats at idle only, then there is a problem with the fan. Check out this article, to know for sure. There are some good instructions to follow. They will tell why your truck overheats.

Dec 22, 2010 | 2005 Jeep Liberty

1 Answer

Jeep Liberty 2005 3.7 engine running hot, need to install thermostat? fan working, full of water , water tank cap fits good.


A new thermostat would be the easiest and cheapest to do first.There is also the water pump but that normally would cause a complete overheat,probably after about 20-30 miles,water boiling out the overflow.Good luck! Greg

Sep 05, 2010 | 2005 Jeep Liberty

1 Answer

My jeep liberty 2005 has a high pitch squeel when I first start it in the am. The squeel later returns when in idle but only periodically.


we call it the fan belt,it is loose enough to cause it to slip(squeel)whenn cold it just needs adjusting.(the 1/2 inch wide belt that drives the alternator).

May 06, 2010 | 2005 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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