1999 E46 328 - Need Help Pusher fan runs on full speed

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  1. 1999 E46 328 - Need Help Pusher fan runs on full speed 
    #1
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    andriusv's Car Details
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    Hello,

    I have a problem with my pusher fan on e46 328ci 1999.When I turn the AC on the pusher fan kiks on full speed even when the engine is cold in the morning.
    I have changed the coolant sensor and re-charged AC gas and checked all fuses and they seems ok.
    Have anyone had this problem and what else i can check is there any speed relays etc that regulates the fan speed.

    Thank you for your help.
     
     

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    #2
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    You see that module built into the shroud of the fan?



    That is a built-in final stage (resistor/switch) and the signal to run is provided by the DME. My guess is that it is not functioning correctly.
     
     

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    #3
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    Do you know if I can get it separatly or it comes with the fan.
     
     

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    #4
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    I think it is part of the fan assembly, but give the dealer a call to see if they do a repair kit like the E39s
     
     

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    Ok thanks for that.
     
     

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    Just call dealer and they said that I have to buy complete fan and quote £280 just for part.
    Any ideas
     
     

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    NeilP is probably right about the final stage unit, but when you say you changed the temp sensor, was it the one at the radiator outlet, as failure of this will cause the fan to run at full speed
     
     

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    #9
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    yep the one in the bottom of the hose.
     
     

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    #10
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    seem like I have to ge another fan
     
     

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