Question about 2003 Jeep Grand Cherokee

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Fan and window problems for 2003 Grand Cherokee

I hit a bull with my jeep about a 2 months ago and the damage to the front was major. the entire fan system was in the motor. The fan is not moving at all but aslong as its moving it stays just below 210. But it runns hot been turned off for just a few minutes after running and then start back up. This doesn't make sense. Ive heard of the fan motors being bad in this model. Also the windows don't seem to want to roll up. Could it possibly be the motor for them?

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  • 11 Answers

Cooling fan relay is most likely shot
underneath & behind the L headlamp assembly

Posted on Jul 12, 2009


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1999 grand cherokee laredo overheating when idling for 15 min. or so. Not when driving, everything ok. radiator replaced about 8-9 months ago, water pump pretty new, and extra electric fan worked on about...

Chanches are it is probably the fan. Anything over 15 miles an hour the fan is no longer needed. I would get a cheap hydrometer and make sure your antifreeze is still good.

Oct 18, 2012 | 1999 Jeep Grand Cherokee

1 Answer

Constantly replacing fan relay on my 2003 Jeep Cherokee

You should try getting the factory part because this is a common issue amongst jeep grand Cherokee's. it could also be the location because it is behind the bumper underneath the head light and that is an unusual spot for it to be placed.

Apr 08, 2010 | 2003 Jeep Grand Cherokee

2 Answers

Radiator fan motor on 2003 Jeep Grand Cherokee

I hope that you haven't went out and bought a whole new assembly due to the other poster's response. Yes you can just replace the motor otherwise why would you be able to buy the motors separately. There's usually 3 bolts that hold the fan shroud in that you have to remove along with the electrical plug. It takes some manipulation to get the entire fan/shroud assembly out (it helps to have someone underneath the vehicle guiding it) but once out you will see a clip over the top of the fan. It's kind of a challenge to get off but using a hammer and a flat head screwdriver you can work it off. Be aware that you have to put the clip back on so don't pry it off and ruin it....just kind of chisel it off. Once off, the fan blade comes off with a little effort. There's your exposed motor. Take off the 3 bolts and pull out the wires and replace it with your new motor. I hope this helps others....I couldn't find this information anywhere and figured it out along the way.

Mar 24, 2010 | 2003 Jeep Grand Cherokee

1 Answer

Cannot find relay of radiator fan (Grand Cherokee 4.0 WJ)

Yes, the fan relay is located under the right front headlight in a 2003 Jeep Grand Cherokee. If this is the first time you've replaced it, HAVE FUN!! You can drill a hole through the bumper, which will be covered by the headlight once you reinstall it; or you can remove the entire bumper (which connects in front of both front tires) and try to break your arm to get to it that way. I seriously recommend drilling a hole...this is exactly what the mechanics at any dealership or garage will do!!

Feb 17, 2010 | 2003 Jeep Grand Cherokee

1 Answer

How do you replace the fan motor in '03 jeep grand cherokee laredo? - the damn thing overheats when idle - changed the relay & coolant sensor... still overheating

When was the last coolant change?
Under 2 years or 24,000 miles.

Change the thermostat and gasket first.

Use a 195F with pop-let protection.

A stuck/failing thermostat is a common cause of over-heating problem.

To change the fan,the entire protector plastic has to come out.

Most likely you will break the push in locking pins.

Get few replacement push in locking pins before you start the job.

Dec 02, 2009 | 2003 Jeep Grand Cherokee

2 Answers

Coolant leaking replace every three days coolant fan wont stop ru

This link has a diagram showing the location of the relay:

The Pulse Width Modulated (PWM) radiator cooling fan relay is located behind the front bumper fascia below the right head lamp.

Sep 08, 2009 | 2000 Jeep Grand Cherokee

2 Answers

2003 jeep grand cherokee radiator fan doesn't turn on

Disconnect the fan plug and hot wire it to the battery if the fan dosen't run, replace it. Otherwise, check the relay. The system operates by the temp sender sending a signal to the computer that activates the relay that turns the fan on. Fan should also come on with A/C.

Jun 28, 2009 | 2003 Jeep Grand Cherokee

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