Question about 2010 Chevrolet Aveo
My resevoir is overflowing because the fan is not keeping the water cool my engine light is not on
I would start by checking for voltage. Make sure you do not have a blown fuse or bad relay. But if it is your fan temperature switch it should be either in the head or the intake manifold. You should have 2 temperature switches, one for the light or gauge and one for the computer and fans. The one for the light or gauge will only have 1 wire going to it, and the one you are after has more than one.
Posted on Apr 24, 2013
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Posted on Jan 02, 2017
SOURCE: 98 monte claro overheats
You checked the relays but did you check all fuses that deal with those relays/fans ? Below are pictures of the fuse box locations and directly below each picture is the fuse layout for that fuse box. I have marked the fuses that you need to check. Alot of people don't check the "PCM BAT" fuse because it doesn't sound as if it deals with the fans but it does. Also the vehicles computer (ECM) have a big part in the fans working as well. If the fuses are good you are going to need to check some wiring. If the relays have numbers on them, you should have power at all times to the number 86 "plugs" in to the fuse panel. That's as far as I can take you at this point. If you need further testing you can reply/comment here or feel free to email me directly at firstname.lastname@example.org with your information and I will be happy to email you some further tests but you will need to have a digital volt/ohm meter for the next set of tests in order to diagnose the problem. Hope it's just one of those fises though. I hope this helps.....
Posted on Sep 23, 2012
there is a switch in the engine intake or cylinder head that controls the cooling fans. The switch is the one with only 1 green wire hooked to it. Turn the key to run, with the engine stopped pull this wire off and touch it to a ground( cylinder head, engine block) and the fan should start, if not look at the fuse, if it does you need to replace the switch.
Posted on Mar 14, 2010
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