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Hi You either have an electrical fault in the sensor that tells the fan to turn on and off, or you do not have enough coolant in your radiator for the fan to be able to bring down the engine to a normal temperature. If your temperature gauge is registering normal, and is not in or even close to the red zone, then it is probably the electrical fault, but it won't really harm anything, and it's much better than the fan not coming on at all. You can check your coolant fluid level by checking the expansion tank. This is a smallish plastic or occasionally metal tank of about a quart, and it will be connected by a couple of hoses to your radiator. If this is bone dry, then so, probably, is your radiator. NEVER take the cap off the actual radiator; you fill the expansion tank and keep checking it every few miles to see if the radiator has sucked the fluid in. BUT NEVER take the cap off the expansion tank when the engine is hot. That is a pressurized system, and as soon as the pressure is off, coolant that you can't see can come boiling out of there all over you. And make sure you use a premixed radiator fluid from someone like Prestone, and try not to put anything else in there by mistake, like windshield washer fluid or (god forbid) Power Steering fluid. It has happened. Phil
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∙ 17y ago
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Where is the sensor or switch that turns on the electric cooling fans on a 2003 Pontiac Montana located?
on the 2002 model, open the hood, and on the left side of the engine, there should be a black box, above and to the left of the radiator cap, remove the black box cover with your hands, and you should be able to access the engine fuse box. I think there are three (3) different relays in there that operate your cooling fans.
1996 Pontiac Grand Prix 3.1L has 2 cooling fans. Fan1is working with AC and radiator Cooling. When Fan2 should be started?
fan2 should come on when the a/c is on. so both fans should be running when the a/c is on. when the a/c is not on, the driver side fan should come on when engine temperature gets up to 210 degrees. What would cause fan 1 to not come when a/c is running
Your 2003 vw jetta is overheating and the engine light is staying on the coolant level is fine is this your thermostat?
Probably not. It could be the cooling fans, or the water pump. Does the temp go down to normal when you are going down the hwy? If so, its probably the fans. If the temp gets to 260 the fans should kick on, if not, I would look at the fan circuit, fan module, and fan assembly.
91 dodge dynasty cooling fans won't run I have changed the relay and still no go?
It might be the sending unit for the fan that's near the thermostat housing on the side.
What do you call the fans of Madonna?
Fans.
At what temp do the cooling fans come on?
Most cases 235 degrees Fahrenheit In addition one or more of the cooling fans will come on and run continuously when the A/C is running.
Peugout 306 cooling fans continiously run?
On most vehicles the fan or fans will run continuously if the A/C is on. If the A/C is off and it is continuously running check the thermal switch.
Why wont your cooling fans on your 2002 grand am gt not working?
The cooling fans on a 2002 Grand Am GT might not be working because of a problem with a fuse. There is also a temperature sensor in the engine that tells the fans when to come on. This sensor may be bad.
Why is the ac fan not working in santa fe 2001?
My cooling fans not working on my 2001 Santa fe . By pass fans they work, put on new heat relay still not working
Why wont my cooling fans not work on a 2002 impalla Chevrolet?
Your temperature sensor or a fuse is bad.
At what temperature should the cooling fans turn on 2002 Pontiac grand prix?
227 degrees fahrenheit
Why would a 03 Chevy Silverado 5.3 overheats when air condition is on?
I would suspect the cooling fan is not working properly. One of more of the cooling fans should run continuously when the A/C is on. If not the engine will overheat.
How do you replace a alternator on a 2002 deville?
you have to remove the radiator and the a/c condenser to pull alternator also cooling fans
Should your cooling fans be running all the time?
By fans, I assume it has more than one. One of these fans will run continuously when the A/C is on. The other fan should only run when needed to cool the engine down. In stop and go city driving in the summer with the A/C on, both fans may very well run continuously. At highway speeds, only the A/C fan should normally run. Sounds like you need to have your cooling system serviced. A complete drain and flush of the cooling system and a replacement of the thermostat may help. Also make sure the radiator external fins are clean and not clogged with bugs and debris.
Why are the cylinders of a air cooled engine surronded by cooling fans?
The cooling fans are the only cooling source for a air cooled engine.
2001 Honda Accord Radiator cooling fans won't come on?
Check the thermal relay for the cooling fans.
How to Position the cooling fans?
When building a PC you will need to position the cooling fans. You should refer to the documentation to work out how to do this.
