Question about 2000 Chevrolet Cavalier

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If the radiator cooling fan motor does not work. Would it keep the A/C from working.

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Yes , it sure can , i believe that fan works for the engine
cooling and a/c condensor cooler as well.
If it doesnt work , you risk dammaging your motor and
a/c compressor as well.

Posted on Aug 20, 2010

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It would keep ac from being cold as it should. eninge temp goed up faster w/ ac on. the fans also keep the ac condensor cool. ac should still kick on at first. if it does not cycle at all, look for another problem. fix the fan tho , you need it.

Posted on Aug 20, 2010

  • JOHN ALBURY
    JOHN ALBURY Aug 29, 2010

    yes that vehicle has only one fan , without it , no cooling at all.

  • j72burke Aug 29, 2010

    the question asked if the ac would stop working...the fan should come on with the ac on. i know only one fan. i do think the ac should still cycle on, but the engine will over heat w/o a fan on. the question did not say anything about engine temp. the ac should kick off as the pressure increases. i think more info is needed to really say what the problem is. MECH00 is correct in what he said...but ac should stii "work" at first. like i posted before. fix the fan first any way. very important with or with out ac.

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Posted on Jan 02, 2017

  • 99 Answers

SOURCE: cooling fan on car doesn't work

usually one for the a/c and one for the eng coolant with the eng off try turn the fan with your hand see if move freely or siezed up with the a/c on both fans should run check the voltage should be 12v if yes then ut is bad motor

Posted on Aug 05, 2009

elshaddai159
  • 1016 Answers

SOURCE: I have a 1991 Camaro

Hi, Below are the faults and the solutions for those faults.
Possible Faults:

  1. Radiator cooling fan not operating, due to no voltage to the motor.
  2. Inside heater blower motor also not operating.
Solutions: Radiator cooling fan
  1. Check the fan fuse for the radiator fan, there are 2 fuse's - One main fusible link which is under the hood and the other is a 20 amp fuse inside the vehicle fuse box.
  2. Using a fused jumper connect the ALDL connector terminal B to a good ground(Pic 1), switch ignition to RUN position the fans should operate.If they do then you have a ECM signal fault.
  3. Have your coolant temperature sensor checked, this is the one for the switching of the fan not the temperature gauge sensor. The sensor for the fan has 2 wires in the connector the one for the temperature gauge only has one.
Solutions: Blower motor not operating
  1. Check main fusible link which is in under the hood in the main fuse block, also check the 25 amp fuse in the inside fuse block - HTR A/C
  2. Check voltage supply from the A/C mode switch to the blower motor speed switch.
  3. Check that you have voltage from the blower switch to the blower motor resistor which is housed in the heater assembly.
  4. If all this is ok then replace blower motor.

If all the above has not solved your problems please let me know, I can give you more indepth information.
Thanks
Jason

Posted on Nov 10, 2010

  • 1243 Answers

SOURCE: Chevy Impala 2003. Replaced cooling

is the passenger side coming on? it is possible that it is setting the code for different speeds also. may want to check the cooling fan relays.

Posted on Aug 03, 2011

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1 Answer

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

Why are my cooling fans for radiator running constantly?


The cooling fans are supposed to run any time the a/c is on in order to keep air flowing across the condenser. Your a/c will not work properly at idle if they quit.

Jul 27, 2015 | 2010 Ford Escape

1 Answer

My 99 Honda Accords keeps overheating on and off when my car is on park or at a long stop. What can be the problem?


FIRST OF ALL I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP THEN CHECK SEE IF COOLING FAN RUNNING.WHILE CAR OVERHEATING. IF NOT CHECK COOLING FAN FUSE AND RELAY.IF ALL IS GOOD THE ENGINE COOLANT TEMPERATURE SENSOR COULD BE FAULTY.HOT WIRE SEE COOLANT FAN WORKS IF NOT, COOLING FAN MOTOR BAD NEED REPLACING.IF COOLING FAN MOTOR WORKING PROBLEM COULD BE IN FAN MOTOR WIRING OR PCM FAILED.

Sep 20, 2011 | 1999 Oldsmobile Alero

3 Answers

Ford focus 2006 engine overheating once ac swicth is on..


CHECK TO SEE IF COOLING FAN IS RUNNING.IF NO CHECK COOLING FAN FUSE AND RELAY.THE COOLING FAN NEED TO BE RUNNING WHEN AC ON BECAUSE AIR CONDITIONER PUT A LOAD ON ENGINE.COOLING FAN KEEP RADIATOR AND AC CONDENSOR COOL.FAN NEED TO RUNNING.

Sep 04, 2011 | Ford Focus Cars & Trucks

3 Answers

My radiator fan is not working and I cannot find any of the relay fuses I have seen in other cars for this type of problem.


Follow the wiring back from the fan motor, the relay is often found at about the height of the bottom of the radiator on the inner fender. Check that connection is clean and free of corrosion. Check that the fan works by taking two trailing wires directly from the bettery terminals and connecting then to the fan motor directly. Use a voltmeter and check the voltage at the relay when engine is cold and shortly after the radiator top hose from the engine becomes hot (the coolant sensor should have signalled for the fan to switch on at this time). No voltage indicates a break in the circuit or faulty sensor. Voltage but no fan indicates faulty relay

Apr 03, 2011 | 1994 Pontiac Sunbird

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

2 Answers

A/c and car over heating


sounds like your cooling fans are not working. look under the hood with the a/c on and check if your electric cooling fan s are working. they are mounted to the inside of the radiator.

Jul 10, 2010 | 2004 Pontiac Sunfire

3 Answers

The cooling fans stop working


check your sensor that controls the cooling fans.may need to be replaced.

Jan 01, 2010 | 2003 Chevrolet Impala

1 Answer

Radiator cooling fan 30 amp. fuse keep blowing


The fan may run with jumper wires but if it''s blowing the 30 Amp Maxifuse it's needs a new or used fan motor.It's pulling too many amps.I have almost never seen a fan relay concern.Only other thing you may check is the wiring down near the fan shoud I have seen the 2 wires get loose from the conduit & melt onto exhaust manifold.Hope tHis Helps

Apr 26, 2009 | 2002 Saturn Sl

1 Answer

93 probe cooling fan


cooling fan bearings are worn or warped blades
you are correct for direct wiring keep this but place a switch on it up to dash

May 26, 2008 | 1993 Ford Probe

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