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wobbly fan?!?!?!

Ok, i've pretty much finished putting all the bits and bobs back on my car now, new water pump seems to work fine, but a bit of a prob with the fan..

 

at revs more than about 1500-2000 the fan seems to wobble, under a spot light its clearly visible, the blades seem to flex and then rub on the alternator belt!!! not good!

 

any ideas? I have made sure all the bolts on the fan clutch and the waterpump pulley are nice and tight, but still no joy, im stuck!!

 

Thanks in advance

 

Dave

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    Is it just the blades that are wobbling, or is the viscous fan clutch area and pulley wobbling too ?

     

    If its just the blades, then sounds like new fan needed...if the rest is wobbling then the waterpump bearings have collapsed or its internal shaft may have snapped :( :( :(

     

    Thats exactly the symptons of my broken waterpump last week.

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