Cooling fans?
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2004-2007 Cadillac CTS-V General Discussion Discussion, Cooling fans? in Cadillac CTS-V Series Forum - 2004 - 2007; Can any one one tell me what temp the fans are supposed to start? The engine temp is is at ...
  1. #1
    chitownv05's Avatar
    chitownv05 is offline Cadillac Owners Member
    Automobile(s): "05" CTS V
    Join Date
    Jul 2010
    Posts
    12

    Cooling fans?

    Can any one one tell me what temp the fans are supposed to start? The engine temp is is at 224 and the low fans are coming on, the low fan also comes on when I turn on the a/c, but the high fans don't seem to be working. I never had a problem with the temp going over 212 now the fans don't kick on until it gets to 224. I replaced both relays but no change. I just replaced the harmonic balancer yesterday, The connections look fine. I don't think it was anything I did when replacing the pulley because it's just the two plugs to the fans that were removed. Is this a program issue? Do they have to be cycle with a computer to check them? Any help would be appreciated

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  3. #2
    darkman's Avatar
    darkman is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V
    Join Date
    Nov 2005
    Location
    Spring, Texas
    Posts
    7,096

    Re: Cooling fans?

    The temperature triggers can be rest with a tune.

    See attached.

  4. #3
    philip1000rr is offline Cadillac Owners Member
    Join Date
    Dec 2011
    Posts
    6

    Re: Cooling fans?

    Hey Darkman,

    Either I'm blind or these forums deletes attachments over time. Can you reattach what you originally posted? I am having the same problem as the OP, I can't get my fans to spin unless I leave the A/C running and I am curious how to adjust the temperature at which they turn on without A/C on.

  5. #4
    darkman's Avatar
    darkman is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V
    Join Date
    Nov 2005
    Location
    Spring, Texas
    Posts
    7,096

    Re: Cooling fans?

    See attached.

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