Question about 2005 Jeep Liberty

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I have a 2005 jeep liberty and the radiator fan keeps turning on and off

As soon as the temp. gets hot the radiator fan kicks on then immediatly right back off,i already replaced the temp. sensor and both relays work, what else could be wrong?

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  • kevin simpson Jan 18, 2013

    thanks frank,but id rather fix it correctly,any idea what would make the fan not work properly?

  • FRANK Jan 18, 2013

    does your car over heat at all?????

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  • Expert
  • 165 Answers

You can connect it direct into your car with a toggle switch that way you can tur it on and of when u please

Posted on Jan 17, 2013

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SOURCE: 2001 Jeep Grand Cherokee- fan that sits closest to radiator

Have you tested the fan sending unit on the engine? disconnect that and if the fan runs (Key on) that is most likely the problem.

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SOURCE: Low spare fault in a 2005 Jeep Liberty, tire is at rated pressure.

Wow another great problem by a dodge product i would check for a recall on the sensor switch

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SOURCE: overheating engin when at idel, fan not working

does both the hoses get hot bottom and top? this will tell you if theres flow through the radiator. If you have a voltage tester test the wires on the fan connecter check there is current going to the fan if so replace the fan its a common problem as previously stated. 
if there is no power to the fan when the vehicle should be turning it on i.e. its hot enough check the fan relay under the hood.

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SOURCE: airbag light stays on 2005 jeep liberty

It probably will cost a few bucks to get the code reset, but you don't need to go to the dealership, most shops with a good scanner equipped for air bag code reading will be able to diagnose and reset the light. The most probable reason for the code is the battery being dead for a while, there is a capacitor in the airbag circuit to make sure the airbag can go off in a collision even if the battery disconnects itself in the process. There is a slim chance it might be something else but either way the shop should be able to tell you what the problem is, and get it fixed... But, just for fun, before doing all this, i'd disconnect the battery for 30 minutes to an hour and reconnect it back, some systems do effectively reset themselves this way.

Posted on Jan 13, 2009

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SOURCE: how to replace rear brake pads on 2005 jeep liberty

put the back of car on jack stands and secure the front tires so it does not roll and then remove the bolts off the back of the caliper there is normally two one at top and one at bottom and spray it with some kind of oil for rust and make sure you have the right size socket before you try to loosen them and once caliper is off and the old pads removed take one of the old pads and squeeze the piston on the caliper back in by using a "C" clamp and also remove some of the brake fluid from the master cylinder before you do this put the new ones back on and check the brake fluid and make sure it is full and then pump the brakes to make sure you have a good pedal also put some "No Squeak" brake stop on the back of the pads so they don't squeak they will have that where you buy the pads from

Posted on Mar 01, 2009

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1 Answer

Where is the position of radiator fan relay on jeep liberty 2006


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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

1 Answer

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runs hot, so how much, use a meter?
full flush the coolant system yet.
test the Radiator tube for clogging, using any cheap, IR pyro temp gun? made, (ask how)
clean the leaves, and bugs out to all cores in front of car.
A/C condenser and RAD yet?
are fans working at RAD?

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1 Answer

Engine light is on after replacing radiator fan. jeep liberty


Check the belt. You have a serpentine belt that you removed to replace the fan. Verify it is on, tight and in the right sequence around the pulleys. The light probably will not be fan related but indirectly from the belt or a component that was moved or disconnected. Start with the fan belt.

Jul 30, 2014 | 2005 Jeep Liberty

1 Answer

What should temp gauge read as normal


195 should be the max 170 is ideal if you have a gauge that reads normal it should run between the r and m closer to the m side

Apr 06, 2013 | 2003 Jeep Liberty

1 Answer

I have a 2003 Jeep Liberty. The radiator cooling fan stopped working and the car almost overheated. I replaced the relay with the new style with the cooling pins and the fan now comes on, though...


no but there are a couple of cooling fan switches that could be causing your problem both are mounted on the motor one near the thermostat housing the other will be in the block one near the thermostat usually controls the fans.

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