Question about 1997 Honda Civic

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How do I troubleshoot and radiator fan motor not

Why the radiator motor fan will not work?

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  • Honda Master
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Check the radiator fan relay, and the fuse. If both are fine, then replace the fan.

Posted on Jul 13, 2010

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My 2004 3400 closed system ,runs hot in town unless heater is on. driving up a mountain pass it gets very hot.on a flat highway runs normal. new t state,resivior cap, both fans work no leaks or smell


Radiator fan motor or radiator fan thermostat defective/

Also there is a relay that operates the fan motor

In town not enough air passing through radiator allowing it to over temp.. With heater fan running acts like cooling fan keeping engine cool

Highway driving ample air passing through radiator without fan.

Hill climbing requires cooling fan/

Hope this helps?

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Nov 17, 2016 | Cars & Trucks

1 Answer

Fan does not work on 2003 hyundai tiburon


Radiator fan or AC fan? If its the radiator fan, you need first to check if its motor us OK. You can do this by hardwiring the electricl plug directly to the battery. Motor should run. If it doesn't, then this motor (fan) needs replacement.

If the motor runs fine when hardwiring, then you should have the car scanned for error codes. It is probably that the ECT (engine coolant temp sensor) is bad, thus the ECM never gets the signal "hey, I'm getting hot, turn on the radiator fan!"

May 07, 2014 | 2003 Hyundai Tiburon

1 Answer

Acura legend ac control untied stop working along with the fans any idea wat could it be


The rotary control switch on the dash controls the blower motor for the A/C. The A/C will not turn on unless the blower motor is functioning properly. The passenger-side radiator fan will not turn on until the A/C begins running. BUT the driver's side radiator fan should always work. Ergo, check the function of the blower motor (located underneath the dash behind the glove box). Usually when it goes bad, it's because of the blower motor RESISTOR (mounted inside the blower motor housing). When the resistor goes bad, the blower motor shorts out, causing it to fail. The switch rarely ever fails. The radiator fan relays are located next to & on both ends of the radiator. Check them too. In the link, the blower motor RESISTOR is #5.
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Apr 02, 2013 | 1991 Acura Integra Hatchback

1 Answer

What Switch or control makes the radiater fan come on? and need the diagram for the radiator control switch, 1993 saturn sl2.


Ok. The way your system is set up,you have a fan switch located in the engine block,usually near the top.That fan swtich sends the voltage to the fan motor or to a fan relay then to the motor.You can jump the fan motor directly to make sure the motor itself is not burned out by unplugging the motor and running a jumper wire from your battery pos terminal to the terminals on the fan motor itself..If you have checked the motor and it does work,then the easiest thing to do is simply replace the fan switch.You should have a Coolant temp switch and a radiator fan switch and possibly and Radiator fan relay.I would try the radiator switch first,then replace the relay.The coolant temp sensor is for the computer and usually doesnt tie into the radiator fan switch.try that and repost.Good luck

Aug 23, 2011 | 1993 Saturn SL2

2 Answers

Radiator fan not working on my 1997 T&C van. I've replaced the radiator fan relay and even the wire harness. Still not fan. It has now lost power and A/C is not working well I assume due to...


IASounds like the radiator fan motor is bad (not uncommon for a chrysler product)
You can replace the fan motor (DIY) for around $100 (oreily autoparts) or the the entire fan assembly for around $300 (DYI) .
Replacing the fan motor will take about 2-3 hours.....taking out the fan assembly will consume most of your time.
hoppe this helps.

Jul 13, 2011 | 1997 Chrysler Town & Country

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.

Oct 29, 2010 | 1997 Chevrolet Cavalier

1 Answer

Radiator fan not working


Probably the radiator fan motor or a fuse blown that operates the motor. Check fuses and then check the radiator motor to see if it is good. Also, sometimes the fans themselves need replacing.

Apr 20, 2010 | 1996 Buick Century

1 Answer

Want to replace the radiator on my 1997 ford thunderbird


Radiator Aluminum Core, Crossflow — 3.8L (Base) and 4.6L Engines
Removal
  1. Drain engine cooling system as described. Disconnect upper radiator hose (8260) and lower radiator hose (8286) and radiator overflow hose (8075) from the radiator (8005). Disconnect the transmission oil cooler inlet and outlet lines from the radiator.
  1. Remove cooling fan motor,fan blade (8600) and fan shroud (8146) assembly as described.
  1. Remove radiator upper bracket retaining bolts and remove bracket. Lift radiator from vehicle.
Installation
  1. Position the radiator into the vehicle. Install upper brackets and tighten bolts securely.
  1. Connect the transmission oil cooler lines to the transmission oil cooler fittings.
  1. Install cooling fan motor, fan blade and fan shroud assembly as described.
Engine Cooling Fan Motor, Fan Blade and Fan Shroud Assembly, Electrical Removal
  1. Disconnect (pull apart) the male-female cooling fan motor wiring connector at the side of the fan shroud (8146). Remove the male terminal connector retaining clip from the fan shroud mounting tab.
  1. Remove two fan shroud upper retaining bolts at the radiator tanks.
  1. Lift cooling fan motor/fan blade (8600)/fan shroud assembly past radiator (8005), disengaging fan shroud from two lower retaining clips.
Installation
  1. Follow removal procedure in reverse order.
  1. Tighten fan shroud retaining bolts to 5.2-7.2 Nm (46-63 lb-in).

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    Oct 30, 2009 | 1997 Ford Thunderbird LX

    3 Answers

    I have never seen the radiator fan working for


    Well the first thing I can tell you is that the radiator fan should kick on as soon as you turn on the a/c. That's because of the extra strain it puts on the engine. So, if you don't see or hear the fan go on with the a/c, it's probably dead. You could also unplug the fan and run a jumper wire off of the battery to see if it goes on.

    Aug 09, 2009 | 2004 Honda Accord

    1 Answer

    My 1998 Lincoln Towncar has a problem with the radiator fan motor


    the connector has a release lock tab push in and release......what might of happen is that the connector got HOT and melted in the fan terminal .seen that more than once happen.. if so cut it off, get a new connector and splice to the loom ...as for the fans intermit operation...check the LOW/HI relays in the relay box located RF in the engine compartment also...hope this helps you..GL

    Jul 07, 2009 | 1998 Lincoln Town Car

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