Question about 2001 Chevrolet Monte Carlo
The coolant sensor controls these fans,one is for moderate cooling,the other kicks in when the temp gets up higher,so change the coolant sensor.Turn the ac on max cool,see if the cooling fans both come on,and let me know.
Posted on Feb 10, 2010
First when you remove the cooling fan relays take a close look at the terminals where the relays go into and make sure they are not corroded and make sure they are making good contact on the terminals.Also you can remove the fuse and relay holder and look underneath where the wiring is and make sure all is good there to.Do the same on the with the fans make sure the terminals are making good contact with the fan motor terminals.The other thing is if you are just swapping the relays you could be moving the bad one from one spot to another.Might have to replace them with new ones.Some times if you wiggle them around you can tell which one is giving you the problem.If you know how to use a digital multimeter you can ohm the wires that go to the fans.Try this and let me know if you need more help.Good luck.
Posted on Feb 07, 2010
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Posted on Jan 02, 2017
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