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Grand caravan v6 2003 dont works when hot

Car stoped, Engine on, after radiator fans works 2 or 3 times, asd relay off, engine stop and no on, after more or less 3 minutes asd relay on again and engine can on. Obs. If run at 50 Km/h, fans dont works and no have problem, if car stoped and cabin hot air is on and your fan in high speed no have problem too.

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  • Wagner Luz Medeiros Jan 22, 2013

    The car is Ok now, the problem was phase sensor height adjustment, thanks

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 87 Answers

SOURCE: 1994 Hyundai Excel Air conditioning RADIATORĀ“S FAN works always very fast

this not really a problem as the fan speed is controlled by the high preasure switch in the ac system the hotter it is outside the higher the preassure will be in the system as hot as its been the preasure is high already when the compressor cycles it pulls suction on one side and outputs high preasure on the other the fans cool the condenser the higher the ambient temp the faster they go so all is fine...

Posted on Jun 09, 2008

  • 1 Answer

SOURCE: Radiator Fan continuously running with engine off, discharging battery

It is not the fault: for long time Renault has that concept, that is to prevent engine oveheating when coolant circulation is suddenly stopped.

Radiator fan can continue to work up to 10 minutes after engine is off. You should worry about it only if it wouldn't stop even after 10 minutes.

Posted on Oct 12, 2008

Monster80
  • 460 Answers

SOURCE: 2001 Grand Caravan - Radiator Fan Control Circuit Problem

The relay that is located right usually in the middle of the fans is stuck open.Take that off and take it to the nearest parts store and they should have it in stock.Its kind of a common problem.That relay is designed to finish cooling off the car before they shut off and they'll run with the keys out.If the relay is bad they'll keep on running till the battery is dead..

Posted on Mar 31, 2009

mcgyver468
  • 710 Answers

SOURCE: engine overheating

CHECK TO SEE IF THE FAN RELAY IS FUNCTIONING BY SWAPPING IT WITH ANOTHER LIKE THE WIPER RELAY IF THEY ARE THE SAME. IF THE WIPERS WORK WITH THE A/C RELAY IN IT'S PLACE, THEN TRY REPLACING THE FAN FUSE. IF NONE OF THESE METHODS MAKE THE FAN TURN ON THEN REPLACE THE COOLANT TEMP SENSOR LOCATED NEAR THE UPPER RADIATOR HOSE INLET TOWARDS THE FRONT OF THE ENGINE. HOPE THIS HELPS YOU FIND THE SOURCE OF THE PROBLEM. LET ME KNOW. GOOD LUCK AND THANKS FOR USING FIX-YA.

Posted on May 06, 2009

  • 25 Answers

SOURCE: my 1997 dodge neon sohc auto check engine light is

First, the easy way is to just bypass the relays all together. Install a switch on the inside of the car like you would fog lights. This will solve the problem of replacing thing after thing and wasting money. Just a $7.00 fix. After doing that unplug all the sensors and then the battery for at least 60 second to reset the computer. Than restart the car and the check engine light should go out, may take a day or so. Same thing with your gas cap, re-securing it will take a day or so for the light to go out. Good luck. I love my '97 neon.

Posted on May 10, 2009

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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

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What is the fault codes 1388 and 1389 for a 2002 Dodge Grand caravan? My engine stops while driving and won't start. It will usually start later but seems to be starved for fuel.


No voltage sensed at the PCM (powertrain control module) when the ASD (auto shut down) relay is energized. It could be the ASD relay, the PCM, possibly their relays.
If you are interested in further diagnosing the problem, I will be happy to assist you.

Mar 28, 2011 | 2002 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

2 Answers

I have a dodge caravan in my radiator fan don't work


HOT WIRE COOLANT FAN. STILL DONT TURN ON REPLACE FAN ASSEMBLY. IF COOLANT FAN DOES TURN ON WHEN HOT WIRED.CHECK THE FAN RELAY OR FUSE ALSO SCAN VECHICLE FOR FAULTY COOLANT TEMPERATURE SENSOR IF ENGINE COOLANT TEMPERATURE IS 190 DEGREES AND SCANNER SHOWS 80 OR LOWER COOLANT TEMPERATURE SENSOR FAULTY.

Dec 22, 2010 | 2001 Dodge Grand Caravan

1 Answer

Radiator Fan will not cut off at all even when motor is off


As long as the radiator fan sensor sees a hot engine, the fan will not shut off even if you have the engine shut off. wait and see if it eventually shuts off by its self. The other possibility, is that the radiator fan relay is stuck in the closed position. You may have to replace the relay or the sensor. Hope this helps :)

Dec 18, 2010 | 1997 Dodge Grand Caravan

2 Answers

P1491 diagnostics code for 2003 Jeep Grand Cherokee



Trouble Code: P1491 You PCM does not sense current to radiator fan when it turns it on. Is the fan coming on or not? Usually not when you have this code. Problem can be with the fuse, relay, wiring or fan itself. First check the fuse. If good, next try swapping the relay with another one in the engine compartment relay box, such as the horn relay.
Let the car warm up and see if the fan will come on. If yes, get a new relay. If not, either use a test light to see if there is voltage at the fan connector when the engine is on and hot, or else test the fan motor by hotwiring it to the battery. If none of this works, please get back to me for how to troubleshoot the wiring.


Radiator Fan Control Relay Circuit Malfunction
Possible Causes:


Radiator fan control relay circuit is open or shorted to ground Radiator fan control relay circuit is open (test power to IGN) Radiator fan control relay is damaged or has failed PCM has failed

Nov 10, 2010 | 2003 Jeep Grand Cherokee

1 Answer

Cooling fan stays on while engine is on and its not the relay, what could it be?


IF COOLING FAN STAYS ON WHILE CAR IDLING AND DONT TURN OFF YOUR ENGINE IS RUNNING A LITTLE HOT.YOU COULD PARTIALLY CLOGGED RADIATOR OR ENGINE BLOCK PARTIALLY STOPPED UP ALSO THE THERMOSTAT NOT OPEN ALL THE WAY.HAVE VECHICLE SCANNED TO SEE WHAT COOLANT TEMPERATURE IS IF HOT.HAVE RADIATOR SHOP PRESSURE TEST COOLANT SYSTEM AND FLUSH OUT RADIATOR AND ENGINE BLOCK CHANGE THERMOSTAT.

May 22, 2010 | 2001 Dodge Grand Caravan

2 Answers

2001 Grand Caravan - Radiator Fan Control Circuit Problem


you will need to replace the relay for the fan because it is stuck on. You can look on autozone.com for free online repair guide. It will have the relay location unless you have a repair manual of your own. But it is the relay.

Mar 31, 2009 | 2001 Dodge Caravan

1 Answer

I have a 2003 grand caravan that has an electrial problem only when it is raining. The cooling fan will stop working along with the power door locks, radio, wipers and heating unit. If i remove the fuse...


HI!!!!!! P1491 means radiator fan relay control cir. .. the best thing you can do is run the car for about ten min.if tac is digital feel it w/ you hand if is hot . is you alternator .if is not digital. take apart the alternator bring it to local autozone have them chek for you . dont forgot to change the relay,,,,,

Mar 04, 2009 | 2003 Dodge Caravan

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