Cooling Fan Problem
#1
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Cooling Fan Problem
I have a 92 Bonneville SE 3.8L V6 and for the past 2 days i've been having problems with overheating. Today I changed the thermostat, drained and filled the radiator, and checked all the hoses. None of that helped, but then I realized that the cooling fans aren't coming on. I plan on checking all the wiring and relays, but I wondered if anybody has any suggestions before I tear into it. Thanks.
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I allready checked the fuse it looks fine. I replaced it with no luck. Unless there is another fuse besides the one in the main fuse block under the drivers side dash.
#4
I had the same problem with the same car. its actually the relays on the fan assembly I just bypassed them. First you should take it out and check it to see if it is the fan or not. its pretty easy. saves like 40 bucks
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Ok I removed the fans and connected 12v to them. They both run fine. I checked the fuses and they are fine. Also I tried turning the air conditioning on but they still do not come on. I'm running out of ideas. Any help? Thanks.
#7
You need to have high pressure on the A/C to turn on the fans. But it uses the relays also. Looking at the windshield/firewall, the high speed relay is No. 7 and the low speed relay is No. 8. They are the two furthest on the right.
Try switching them with the horn relay, which is in position No. 2 (on your left)
Does your car have a temp gauge and does it work correctly?
Try switching them with the horn relay, which is in position No. 2 (on your left)
Does your car have a temp gauge and does it work correctly?
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Ok I tried switching the relays with the horn relay. The horn still functions with both of the fan relays but the fans don't respond to the horn relay. Also my a/c works but doesn't blow cold air. So in a sense it doesn't work. But would it still make the fans turn on? What else could be wrong that my fans won't spin?
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Hey guys, guess what. I just replaced the fans, relays, and fuses. And now....It works. Weird... I don't know what was worng. I guess there was a bad connection, and by messing with it, it somehow fixed itself. Thanks anyway!
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