Question about 2002 Dodge Grand Caravan

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My caravan 2002 heating goes up on idle

Seems like my radiator fan dont start...maybe a relay problem maybe a fan problem. How can i determine wich piece is not working properly?

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  • Dodge Master
  • 21,873 Answers

To check the fan motor you would use a jumper wire to bypass the relay. You can also swap the relay with another one that has the same configuration.
You may need a wiring diagram to trace the wires.

Posted on Apr 29, 2013

Testimonial: "so first of all you would bypass the relay with a wire to the fan?"

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Posted on Jan 02, 2017

  • 373 Answers

SOURCE: 2002 Dodge caravan 3.3L. Code P1491. Replaced with

you have an open or shorted condition detected in the low speed radiator fan relay control circuit. hope this will help!!!!

Posted on Apr 21, 2010

hotrodshop
  • 106 Answers

SOURCE: where is the radiator fan relay on a 2006 grand caravan

The cooling fan control relay is located behing the grill in a crossmember (see the pic). It works in conjuction with the Integrated Control Module.

e0ef069.jpg1. Grill
2. Fan control relay
3. Rivet
4. A/C condenser

Hope this helps.

Posted on Jun 06, 2009

motor1258
  • 6674 Answers

SOURCE: 2002 caravan, heater problems

That was a common complaint a few years back, due to the fact that the heater core is a little too much higher than the engine, which requires that extra push it gets when engine RPM's increase. One thing I did do on my Caravan was remove my hoses to the heater core, and use a small external pump with hoses to circulate C.L.R. through my core for a while, then let it sit with CLR in the core overnight.Next day I circulated it through again, both ways by reversing hoses, and then re-attached hoses, bled air out of system, and notice quite an improvement in heat at idle. Once cleaned out, the heater core allowed coolant flow through it better at idle. If your stumped by explanation, take it to an automotive shop, or a Rad shop, and get a quote on flushing that core out for you. I recommend the CLR, but it might be too time consuming for you , but a flush will probably show some noticeable improvement.

Posted on Nov 23, 2008

  • 22 Answers

SOURCE: radiator fans not working 1998 dodge caravan

First thing I would check is the fuse or the fan relay, located in the power distribution box under the hood. If that's not the problem, then I would find the coolant temperature sensor, unplug it with the key on and the fans should run.

Posted on Mar 20, 2009

  • 285 Answers

SOURCE: Radiator Fan Relay for 97 dodge caravan

it is mounted under the radiator towards the drivers side,it is flat and held to the frame with 2 small bolts and has a flat wire connector,it doesnt look like a normal relay,its black with a silver plate on the front of it,hope this helps

Posted on Sep 16, 2009

Testimonial: "awesome found it immediately........thank you"

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2 Answers

I have a 02 Grand caravan that has new radiator, termostat, one new fan. the temp gauge goes up to max hot the drops right back down in seconds. what could be the problem?


it could be you have an air lock in the cooling system
remove the rad cap from the rad, start the engine and let it run until the coolant drops (add to fill it back up) or until the coolant boils out of the rad spout.

maybe pull the heat sensor. -replace it OR clean it off, reinstall it.

Mar 12, 2015 | 2002 Dodge Grand Caravan

1 Answer

2002 Dodge caravan overheating, gage spikes up to hot, but were not seeing any fluid leaking besides when it gets hot steam comes from cap. found crack in radiator so we replaced and changed thermosta


I would check the fuses first then the fan relay , if you find two identical relays you just have to swap them to determine if there any good , if the fan starts working then get a new relay, if the fan still won't work then replace the fan thermo switch (usually located in the bottom part of the radiator facing the engine) if the fan still wont work then replace it. The best way to test the whole system out is to start the car and turn on the air conditioner (and blower fan) this should turn on both your fans, if the fans dont come on , check the fuses,relay and then fan motor then thermoswitch

Nov 18, 2013 | 2002 Dodge Caravan

1 Answer

1998 Dodge 3.3ltr grand caravan overheats.I have repaced water pump,Thermostat,Had cracked head and replaced both of them with new ones,Replaces fans,replaced fan relay,All hoses,Radiator.When i start...


You would need to figure out if it is a cooling problem or something producing extra heat in the engine.
Is the radiator fan pulling enough air thru the condenser and radiator ?
Is the fan coming on and also when the ac is on and when the engine reaches 220 degrees ?
Is it possible the exhaust has a restriction somewhere ?

Aug 28, 2012 | 1998 Dodge Grand Caravan

2 Answers

Over hreating while idling


improper coolant level, temp sensor not turning elec fan on. elec cooling fan failure.

Apr 05, 2011 | 1998 Dodge Grand Caravan

2 Answers

Where is fan relay sender for 2002 dodgecara van


The fan relay for the radiator electric fan is in the grille area, see enclosed picture. Thanks, don't forget to post a great comment about me!consistant_18.gif

Mar 26, 2011 | 2002 Dodge Caravan

1 Answer

My 2002 xterra has started running hot..code po 217 came on..after gas cap was put on wrong..cleared code put gas cap on right then fine for 2 weeks..when idleing heat gauge rises high..as soon as i rev...


p0217 is coolant over temperature. the fan clutch may be slipping or the thermostat is bad. changing the thermostat would probably be the easiest and most inexpensive fix to determine the problem.

May 09, 2010 | 2003 Nissan Xterra

2 Answers

I appreciate the help regarding the Dodge ?2002? radiator fan relay switch, but I can?t find a replace part anywhere on the web. What I see is a replacement ?relay radiator fan? and nothing about a switch....


The device that turns the radiator fan on is a temperature sensor on the lower radiator hose towards the engine block. That could be the switch that you are referring to. When the coolant reaches a certain temperature it tells the radiator to turn on. The relay then sends the power to the fan.

Sep 16, 2009 | 2002 Dodge Caravan

1 Answer

Over heating


check the cooling fan relay located (hidden, hidden, hidden) under the air filter assambly mounted with 2 screws on the chasis of the car.

Jul 31, 2008 | 1997 Dodge Caravan

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