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HELP!!!: radiator fan not working...

 
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Old 17 Jun 2011, 08:04 pm
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Default HELP!!!: radiator fan not working...

I have a 2001 pt cruiser non-turbo. it started overheating the other day... i have since replaced everything to do with the fan. I've replaced the fan motor, the, low speed relay, high speed relay, temperature sensor, the a/c relay, a/c fuse and, the radiator fan fuse. i dont know what else to do the fan is still not working at all. not for the a/c or once the engine reaches normal running temperatures... Any Help Would Be VERY Helpful... Please....
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Old 17 Jun 2011, 08:37 pm
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Default Re: HELP!!!: radiator fan not working...

Sorry, but the only thing left is the computer. That's the brains of the system which receives input from the sensors that says when to turn the fan on. it does that through relays and fuses.

Before buying a new computer, you have to hook the system up to a scanner. The scanner can check all the equipment and turn the fan on both speeds. Either a dealer or good auto shop can do all the testing.
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Old 17 Jun 2011, 09:06 pm
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Default Re: HELP!!!: radiator fan not working...

thank you for your time and input. would you happen to know the amps or volts that it send to the fan? and whats a scan usually run?
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Old 17 Jun 2011, 09:12 pm
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Default Re: HELP!!!: radiator fan not working...

No, unless it's 12 volts which is what most electrical things are in a vehicle. The scan at a dealer would cost the most, probably the hook up charge which is anywhere from $70 to $100 depending on the stealership. A good auto store might have the right scanner and do it for free like AutoZone but not sure if they have the right kind of scanner. If you know any auto shops personally, you might ask if they would just hook it up to try and turn the fan on.
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Old 17 Jun 2011, 09:26 pm
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Default Re: HELP!!!: radiator fan not working...

do you know if the fan is getting power?
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Old 17 Jun 2011, 09:42 pm
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Default Re: HELP!!!: radiator fan not working...

check to see if you have any power going to fan . its possible new fan is bad .use a test light or mulitmeter
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Old 17 Jun 2011, 09:59 pm
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Default Re: HELP!!!: radiator fan not working...

Quote:
Originally Posted by LNBNDN View Post
check to see if you have any power going to fan . its possible new fan is bad .use a test light or mulitmeter
exactly where i was going with my question.
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Old 17 Jun 2011, 10:04 pm
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Default Re: HELP!!!: radiator fan not working...

not sure how much voltage you should have .? should be enough to light up a test light
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Old 17 Jun 2011, 10:16 pm
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Default Re: HELP!!!: radiator fan not working...

ok so far ive checked power to everything with multi-meter. everything but the high speed relay was at 12 volts power. no power to the fan. new motor works great. tested it soon as UPS dropped it off... i too k the fuse box under the hood apart and found a green wire with a black stripe going to the high speed relay badly burned . snipped it, added wire, new connector end,put back. started car let it warm up fan came on has been operating properlly for 20 mins now as far as engine temp control. but when it cuts off an i cut the A/C on it dont turn the fan on... is'nt the fan posta cut on with A/C?
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Old 17 Jun 2011, 10:20 pm
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Default Re: HELP!!!: radiator fan not working...

Quote:
Originally Posted by LNBNDN View Post
not sure how much voltage you should have .? should be enough to light up a test light
dont own a test light yet... just a multi-meter...
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