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Thread: Cooling Fans

  
  1. #1
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    Ryaneddie's Avatar
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    Cooling Fans

    Hi there !

    Well the Gsi is back on the road after the engine re-build, few teething prob's but all is pretty good and im lovin it !

    Having a problem with the cooling fans though when i connect them both up and start the engine they just sit on maximum speed permanantly ?!?

    Any ideas why, as i cant figure it out ?

    Cheers,
    James
    Mk4 Astra GSi Full Re-Build, GT2871RS, Tubular Manifold 376bhp 393 lb/ft thus far !

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    all the connections plugged in correctly, the is a plug that goes into the drier unit on the aircon condenser which if unopluged makes the fans spin full speed.
    Astra VXR - Arden Blue, Diamond cut 19's, Cruise Control, Debaged, Folding Mirrors, CD70 NAVI and CID + Aux-In, Factory Bluetooth, Piano Black Interior Trim, Full Milltek Unresonated Exhaust

  3. #3
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    oh dear, that isnt plugged in

    And the problem is i cant now as the air con has been removed !!

    Any ideas what to do ? I need an auto electric specialist ?!?

    Cheers,
    Ryaneddie
    Mk4 Astra GSi Full Re-Build, GT2871RS, Tubular Manifold 376bhp 393 lb/ft thus far !

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    not a clue mate.

    i'm glad my guess was right

    i think the cable plugs into a sensor whish senses the temp of the air con. you might be able to unscrew this sensor and plug this in and leave it hanging, it might only be active when the aircon is turned on.

    Might be better getting the thread moved to MK4 electrics.
    Astra VXR - Arden Blue, Diamond cut 19's, Cruise Control, Debaged, Folding Mirrors, CD70 NAVI and CID + Aux-In, Factory Bluetooth, Piano Black Interior Trim, Full Milltek Unresonated Exhaust

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    Yes thats correct same above it will trick ecu that aircon is still plug in done the same to my boost solenoid
    Lots of respect for IAN + Team @ MPG!!!

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    Cheers rizo,

    Removed the sensor from my old air con rad, and plugged it in and hey presto fans only work when needed now, thanks a million. Only teething problem to sort out now is the fact the fan blows the wrong way ! lol !

    James
    Mk4 Astra GSi Full Re-Build, GT2871RS, Tubular Manifold 376bhp 393 lb/ft thus far !

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    you mean the fan sucks out rather then blowing air into the engine bay?

    thats strange.....
    Astra VXR - Arden Blue, Diamond cut 19's, Cruise Control, Debaged, Folding Mirrors, CD70 NAVI and CID + Aux-In, Factory Bluetooth, Piano Black Interior Trim, Full Milltek Unresonated Exhaust

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    Yeah, its basically cos i have put the fan on the other side of the rad (flipped it 180 degrees), thats all.

    James
    Mk4 Astra GSi Full Re-Build, GT2871RS, Tubular Manifold 376bhp 393 lb/ft thus far !

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