C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Coolant/Fan question...

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Old May 27, 2002 | 08:14 PM
  #1  
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From: Remember what the dormouse said.....
Default Coolant/Fan question...

Flushed and filled today. Cleaned radiator, front and back. Straightened bent fins.

Now, the rear radiator fan is not coming on. At all. I let it get to 240 degrees, and the fan never started. Tried starting the A/C, and that didnt start the fan either.

Truth be told, I am not sure the fan EVER came on, I have had this car a year.

Where do I start? Fan swith relay? Temp. Sensor?
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Old May 27, 2002 | 08:21 PM
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Default Re: Coolant/Fan question... (Thomas)

Make sure your plug is positively engaged in the fan, if so you need to trace backwards along the circuit looking for ground and power to the fan, it's fairly easy if you have a power probe(fancy test light that snap-on carries, it allows you to apply power or ground to a circuit, it will also tell if a wire is hot or grounded with just one probe of the wire) Good luck.
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Old May 27, 2002 | 08:42 PM
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Default Re: Coolant/Fan question... (CaneinBatonRouge)

The fan should come on when you ground the ALDL pins A to B. If the fan does not come on let us know...
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Old May 27, 2002 | 09:07 PM
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From: Remember what the dormouse said.....
Default Re: Coolant/Fan question... (gbr)

:cheers: I am finding a TON of thread here about this fan problem I have,,,,,,,


[Modified by Thomas, 7:13 PM 5/27/2002]
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Old May 27, 2002 | 09:18 PM
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Default Re: Coolant/Fan question... (Thomas)

I was just going to post that. Go through the threads, there is tons of information. I think you will find what you need.
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