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Cooling Fan Questions

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Old Sep 9, 2003 | 03:45 PM
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Default Cooling Fan Questions

At what coolant temperature should the cooling fan kick on? Also, do both fans run with the AC on?

TIA!
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Old Sep 9, 2003 | 03:58 PM
  #2  
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Default Re: Cooling Fan Questions (Doughan)

No, only one fan comes on with A/C. The other doesn't come on until things get pretty hot! So you may want to reprogram your fans to turn on sooner. You can do this yourself with the hand held programmers, or better yet, spend a little bit more and haver a qualified tuner use LS1 Edit to custom tune the car for you. This is not a real expensive proposition, but will give you pretty nice results.
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Old Sep 9, 2003 | 04:42 PM
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Default Re: Cooling Fan Questions (Doughan)

Low speed fans come on at 226-228 depending on model year.High speed fans come on at 235...Both fans come on with the A/C on :yesnod:
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Old Sep 9, 2003 | 04:46 PM
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Default Re: Cooling Fan Questions (C-5 TECH)

Thanks for the info! :cheers:
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