Quote:
Originally Posted by Zulfiqar
The key was removed in design. The taper on the shaft holds the pulley tight,
This design is also used in old VW diesels to lock the camshaft pulley to the camshaft itself. Works a treat if the surfaces are clean and the torque applied is correct.
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I have never seen a tapered shaft on any Alternator. Also once the nut is loose the fan is loose except for any rust.