Question about 2003 Jeep Grand Cherokee

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Coolant switch Where is the coolant fan relay switch on a 2003 cherokee grand laredo?

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It should be located under the passenger side headlamp. most people remove the headlamp and use a dremel tool to cut a small hole in the plastic panel large enough for you to get in there and remove the old one. the hole should be only about 3 inches in diameter. when you replace your headlamp you will not notice the hole you just made. most dealerships will charge you enough time to remove the front bumper and just do this instead, since you will never see the hole anyways.

Posted on Jan 05, 2009

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03 grand cherokee, 4.0, rad fan will not run, checked fuses and replaced relay under headlight


Check the coolant temperature switch. You should have 12V on one side of the switch. If you jumper the two wires in the switch connector, your radiator fan should run with the ignition switch on. If it runs, replace the coolant temperature switch.

Feb 06, 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

Where is fan relay switch located on 2003 jeep grand cherokee laredo 6 cylinder


it is mounted under the front facia and below the headlight on the passanger side it is rivited to the core support or body be sure to clean off surface under new relay or heat will not transfer and it will fail again

Nov 11, 2009 | 2003 Jeep Grand Cherokee

2 Answers

Coolant fan not turning and air conditioner blows out hot air.


Re-check the relay to make sure it's still good, then check the fan by hot wiring it to the battery. Also check the temp sensor on the engine. If the check light is on, don't drive it 'till you find out why or you can damage the engine.

Aug 25, 2009 | 2000 Jeep Grand Cherokee

1 Answer

Engine fan wont come on


My moms fan switch went on her 01 gr cherokee and had the whole fan and relay replace, when is doesn't come on the fan motor is bad and won't regulate power, so the mechanic says, Please rate is thanx

Aug 21, 2009 | 2001 Jeep Grand Cherokee

1 Answer

Cooling relay switch


Relay is in the power distribution center near the battery. does the fan go off when you remove the relay? Relay is turned on by the computer after it receives info from the temp sensor. Why didn't the "guy" order a new relay? Was he a tech in a shop?

May 19, 2009 | 2002 Jeep Grand Cherokee

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