2001 megane auxiliary belt problem - zoodemon
hi i'm ashamed to say i know nought about cars. My y reg 2001 renault megane went clunk today while i was driving and my steering went stiff. I was close to home so flipped the bonnet up to see what i now know is the auxiliary drive belt off and two round cogs loose in the compartment. After checking in my haynes manual they appear to both be off the alternater, one fitting inside the other and presumably screwing onto the slightly damaged thread from the alternator. Is this a tension fitting or has it just come loose? The belt looks ok but should i replace it anyway?
Also how easy/costly do you think it might be to fix.
thanks
 

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