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Cooling fans won't turn on

This is a discussion on Cooling fans won't turn on within the External Engine forums, part of the LSx Technical Help Section category; Hey guys, I have a question. Just done fixing my z28 after a 3 year operation and my cooling fans ...

  1. #1
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    1998 Camaro Z28

    Cooling fans won't turn on

    Hey guys, I have a question. Just done fixing my z28 after a 3 year operation and my cooling fans wont turn on. They both work if I bypass them so the problem is elsewhere. Relays are also ok. thanks

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    '02 WS.6 / '07 Suburban

    Welcome to the site!

    Do the fans come on when you turn on the air conditioning?

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    I found the problem. A bad coolant temp sensor. Thanks. I thought the sensor was fine because the gauge works ok but it was still faulty

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    I believe there are actually two temp senders installed on the engine - one for the gauge and one for the PCM.

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    midnight blue metalic
    2001 camaro z28

    Hello does any one know where this pcm is located, im sure some one does , I just want to learn as my fans aint come on sicne I bought car and am now in 100 degree weather .

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    Sunset Orange Metallic
    2002 Camaro SS M6

    The PCM should be located in the engine compartment on top of the Passenger fender well..Right guys? Is that what you talking about?

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    Member denegrader's Avatar
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    midnight blue metalic
    2001 camaro z28

    Quote Originally Posted by SuperSSguy View Post
    The PCM should be located in the engine compartment on top of the Passenger fender well..Right guys? Is that what you talking about?
    isn't there like 2 of them there im just wondering which one it could be as I got fan issues thanx ill do more research

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