Question about 2003 Nissan Maxima

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Cooling fans stay on

I have a 2002 Maxima GLE. I replaced my radiator with an aftermarket radiator. Now I noticed that the cooling fans come on after a couple of minuets of driving. They come on even when the engine is running cool. We are having 30 degree weather but they still come on and won't shut off automatically. Normally after a long drive they come on and then will cut off after the engine temp is cooled down, but now they come on and stay on. I replaced the thermostat, coolant sensor, relays 1 and 3. Any ideas

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Your fan will also come on when the defroster is on and when the airconditioning is on so it could be something to do with the inside temp controls

Posted on Jan 25, 2009

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Nissan Maxima cooling fans stay on 2000 Maxima GLE The wont cycle off after the engine temp is cooled down, I replaced the Rad.tstat,sensor,relays& pulled the water pump to make sure is it my?


did this just happen ?? Out of the blue ??,,,, sounds as if it is hard wired ,,,,look for any jumper wires attached to the plug on your fan

Apr 24, 2015 | 2000 Nissan Maxima

1 Answer

Cooling fan burned up


Get a new fan motor and blade from GM or from an aftermarket supplier.

GM parts are usually better than the aftermarket ones, though for fit and functioin.

May also look into checking the relays and harness. If the terminals of the fan show they are getting current, then the motor will have to be replaced if not turning or obviously burnt.

Good luck on this repair.
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Inspect/Replace

CAUTION
The fan that draws cool air across the radiator can be driven by either a belt or electricity. Rotating fans can be dangerous. Some are controlled by an automatic switch and can start unexpectedly. When working on electric fans, keep in mind that electric cooling fans should be disconnected when working around them.
When replacing a radiator fan motor, always refer to the vehicle's service manual. The following is a general guide for cooling fan replacement.

  • Disconnect the negative battery terminal at the battery. This is necessary on vehicles using electric fans, but some vehicles may require the relocation of the charging system components.
  • Drain the cooling system.
  • Loosen or remove the hose clamps, then remove the upper and lower hoses from the radiator.
  • Disconnect the transmission cooling lines and plug them off, if equipped.
  • Disconnect the electric fan motor connector, if equipped.
  • Remove the fasteners attaching the fan module to the radiator.
  • On some vehicles equipped with air conditioning systems, it may be necessary to discharge the system. This is the case if the radiator and condenser can not be separated in the vehicle.
  • Remove the upper radiator cross member or mounts.
  • Disconnect and plug the air conditioning lines at the condenser, if needed.
  • Remove the radiator and fan module as one unit if possible.
  • Separate the fan module from the radiator.
  • If required, separate the radiator from the condenser.
  • Remove the old fan module.
  • Install the new fan module onto the radiator.
  • Reattach the fasteners attaching the fan module to the radiator.
  • If equipped, connect the electric fan motor connector.
  • Reinstall the radiator.
  • Refill the cooling system.

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Jul 15, 2010 | 2000 Nissan Maxima

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U have a 02 gle nissan maxima in my climate fan stop working?


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Jul 14, 2010 | 2002 Nissan Maxima

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Radiator fans are not working, is that a


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Jun 03, 2010 | 1997 Nissan Maxima

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How do I replace a radiator on a 2002 maxima


Nissan Car 350Z & Maxima 1999-06 Radiator - Removal & Installation

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    Negative battery cable Coolant reservoir tank and bracket Upper mounting bracket Upper radiator hose Oil cooler lines, if equipped Lower radiator hose Cooling fan and condenser fan Fan motors and shields Radiator

To install:
  1. Install or connect the following:
    Radiator Fan motors and shields Cooling and condenser fans and torque the bolts to 44 inch lbs. (5 Nm) Lower radiator hose Oil cooler lines, if equipped Upper radiator hose Upper mounting bracket Coolant reservoir tank and bracket and torque the bolt to 44 inch lbs. (5 Nm) Negative battery cable
  2. Fill the cooling system to the proper level.
  3. Start the vehicle, check for leaks and repair if necessary.
WARNING Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine coolant escaping from radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    Negative battery cable Coolant reservoir tank and bracket Upper mounting bracket Upper radiator hose Oil cooler lines, if equipped Lower radiator hose Cooling fan and condenser fan Fan motors and shields Radiator
To install:
  1. Install or connect the following:
    Radiator Fan motors and shields Cooling and condenser fans and torque the bolts to 44 inch lbs. (5 Nm) Lower radiator hose Oil cooler lines, if equipped Upper radiator hose Upper mounting bracket Coolant reservoir tank and bracket and torque the bolt to 44 inch lbs. (5 Nm) Negative battery cable

  2. Fill the cooling system to the proper level.
  3. Start the vehicle, check for leaks and repair if necessary.
WARNING Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine coolant escaping from radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
240ef5f.jpg

Fig. Exploded view of radiator and components
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    CAUTION Do not damage or scratch the A/C condenser and radiator core while removing.
    CAUTION Because A/C condenser is onto the front-lower portion of radiator, moving to rear direction should be at minimum.
    Negative battery cable Engine cover Air duct and air cleaner case assembly Bracket mounting bolt for anchoring A/C piping Reservoir tank and bracket Upper and lower radiator hoses Radiator cooling fan assembly On A/T models, A/T fluid cooler hoses. Plug hoses to avoid leakage Cover, then two A/C condensing mounting bolts located in the upper part of the radiator Rotate two radiator upper mount brackets 90 degrees in the direction shown in the illustration and remove fce8147.jpg

    Fig. Removing A/C condensing mounting bolts

    d3c8f50.jpg

    Fig. Rotating radiator upper mount brackets 90 degrees

    edb9f67.jpg

    Fig. Removing radiator
  4. Remove the radiator by performing the following:
    CAUTION Lifting A/C condenser should be minimum to prevent a load to A/C piping.
    With lifting and pulling radiator in a rear direction, disassemble lower mount from radiator core support center. Lift A/C condenser up and remove radiator after disengaging the fitting as front-bottom surface After removing radiator, put A/C condenser on radiator core support center to prevent a load to A/C piping, and temporarily fix it with rope or similar means

To install:
  1. To install, reverse removal procedure.
  2. Check radiator cap for any leaks.
  3. Start and warm up engine. Check for engine coolant leaks and A/T fluid leaks.

Hope this help (remember comment and rated this).

May 12, 2010 | 2002 Nissan Maxima

1 Answer

Radiator


sure if thats what you feel you need to do

Jan 27, 2009 | 2002 Nissan Maxima

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2003 Jeep Grand Cherokee


Where is this fan located and what does it cool?

Oct 23, 2008 | 2002 Jeep Grand Cherokee

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Over heating, and no AC


Cooling Fan Malfunction. Your radiator fans are most likely not working. That's why the temperature is OK when you're driving full speed and the wind is cooling your radiator. You need to check and/or replace your cooling switch module and radiator fans (most likely it's the cooling module). If you were sitting idle or in stop-n-go traffic for an extended period of time, your car WOULD overheat because the fans aren't kicking in cooling your radiator - then you would see all of the cooling system water spill out of the coolant reservoir, before this would happen your temperature gauge would go to the red and the digital dislpay would flash a thermometer (indicating you're about to overheat in 2 mintues). I hope this helps someone out there - Yes, it happened to me in the middle of nowhere.

Jun 25, 2008 | 2002 Audi TT

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