Question about 2001 Pontiac Grand Am SE

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Cooling fans will not come on

The cooling fans will never come on in the vehicle. i have replaced most of the fuses that go with it but even when the temperature gets warm the fans do not come on.

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  • ramjand Jan 30, 2009

    The temperature gets to over 210 when sitting and we have checked and they still do not come on. It seems to leak water over a period of time, like within a week or so. Do not see any leaks but hose seems to always be flat instead of expanded when it is circulating

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Are you sure they are not coming on at all. If the motor is running properly and not over heating they have no reason to come on. Does it over heat? If not why would they need to be on at all. When a motor is well tuned and maintained there is very rare occasion for the fans to add extra cooling.

Posted on Jan 30, 2009

  • Mike Gagnon
    Mike Gagnon Jan 31, 2009

    Sorry, You did not indicate heating problem of that extreme.You might also want to check if air pocket in system. That is what the flat hose would tell me. Also check the cap. Does it draw the water from reserve?

  • Mike Gagnon
    Mike Gagnon Jan 31, 2009

    Sorry also forgot about the fans.... Have you tested the sending unit for the temp? IF it does have an air pocket it will not read the extreme temp and therefore not tell fans to come on. Really wish you luck. If you feel as if you think I could be of anymore assistance, feel free to comment again and I will answer as fast as possible.

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If the fan not turning on when car engine getting hot,then car will notice overheating.Click this link below for troubleshooting:---http://technoanswers.blogspot.in/2012/02/car-running-hot.html--------To know how engine cooling system works ,click the link below :----Engine cooling components working?

http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

------------------
How does Vehicles Engine cooling system works? http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html
------------How to Replace Engine cooling Fan:-- http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-engine-cooling-fan-on.html
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----------DIC says "COOLING FAN FAULT"? http://schematicsdiagram.blogspot.com/2011/12/dic-says-cooling-fan-fault.html
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http://schematicsdiagram.blogspot.com/2011/12/where-is-radiator-fan-relay-and-fuse.html

--------

This will help.

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